Publishing type：Research paper (scientific journal)  

Background: No consensus exists regarding which anthropometric measurements are related to bone mineral density (BMD), and this relationship may vary according to sex and age. A large Japanese cohort was analyzed to provide an understanding of the relationship between BMD and anthropometry while adjusting for known confounding factors. Methods: Our cohort included 10,827 participants who underwent multiple medical checkups including distal forearm BMD scans. Participants were stratified into four groups according to age (≥50 years or <50 years) and sex. The BMD values were adjusted for confounding factors, after which single and partial correlation analyses were performed. The prevalence of osteopenia was plotted for each weight index (weight or body mass index [BMI]) class. Results: Cross-sectional studies revealed that weight was more favorably correlated than BMI in the older group (R=0.278 and 0.212 in men and R=0.304 and 0.220 in women, respectively), whereas weight and BMI were weakly correlated in the younger age groups. The prevalence of osteopenia exhibited a negative linear relationship with weight among older women ≥50 years of age, and an accelerated increase was observed with decreasing weight in older men weighing <50 kg and younger women weighing <60 kg. When weight was replaced with BMI, the prevalence was low in most subgroups classified by weight. Conclusions: Weight, rather than BMI, was the most important indicator of osteopenia but it might not be predictive of future bone loss.

DOI： 10.11005/jbm.2024.31.1.21

Scopus

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Publishing type：Research paper (scientific journal)   Publisher：Japan Endocrine Society  

DOI： 10.1507/endocrj.ej23-0343

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Language：Japanese   Publisher：日本先進糖尿病治療研究会  

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Language：English   Publishing type：Research paper (scientific journal)  

AIMS: Although conventional interventions for people at high risk of developing type 2 diabetes are usually conducted face-to-face, such interventions are burdensome for healthcare providers. We developed a lifestyle intervention program combining lifestyle coaching via a smartphone application augmented by intermittently scanned continuous glucose monitoring (isCGM) without burdening healthcare providers. Its effectiveness for glycemic control and body weight reduction in people at risk of type 2 diabetes was investigated. MATERIALS AND METHODS: For this 12-week randomized unblinded trial with offline recruitment, participants with HbA1c 5.6-6.4% or fasting blood glucose 110-125 mg/dl and body mass index (BMI) > 23 kg/m2 but <40 kg/m2 were randomly assigned to the Intervention group (App) and Control group (C). Primary endpoint was the difference in time in range (TIR) of blood glucose 70-140 mg/dL (3.9-7.8 mmol/L) before and after the study period between the two groups. RESULTS: Among 168 patients (mean age 48.1 y, mean BMI 26.6 kg/m2, and male 80.4%), 82 and 86 were assigned to the App group and C group, respectively. After 12 weeks, TIR of blood glucose 70-140 mg/dL significantly improved in the App group compared to the C group (-2.6 min/day vs. + 31.5 min/day, p = 0.03). Changes in time above range did not differ, whereas time below range (blood glucose <70 mg/dL;  + 23.5 min/day vs. -8.9 min/day, p = 0.02) improved in the App group. BMI (-0.26 vs. -0.59, p = 0.017) was reduced in the App group compared to the C group. CONCLUSION: Intervention with a smartphone app and isCGM increased glycemic control accompanied by decreased carbohydrate intake and weight loss. Further trials are needed to confirm whether these interventions can reduce incident type 2 diabetes.

DOI： 10.1210/clinem/dgad639

PubMed

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Language：Japanese   Publisher：(一社)日本糖尿病・妊娠学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病・妊娠学会  

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Language：Japanese   Publisher：(一社)日本糖尿病・妊娠学会  

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Language：English   Publishing type：Research paper (scientific journal)  

Aim was to examine associations among metabolic health, weight status, and various physical fitness (PF) components in 1744 Japanese adolescents aged 13-14. Anthropometric measurements and PF tests (20 m shuttle run test [20mSRT], handgrip strength/body mass [HG], standing long jump [SLJ], and sit ups [SU]) were administered. The bottom sex-specific quintile of PF indicated "low fit". Participants were classified as non-overweight (non-OW) or overweight/obese (OW) according to the International Obesity Task Force. Clustered metabolic risk was defined as the sum of Z scores for mean arterial pressure, non-high-density lipoprotein cholesterol, and HbA1c, divided by three, and ≥ 1 SD. Combination of weight status and scores for HG or SU were additively associated with clustered metabolic risk. Compared with the non-OW-moderate-high fit group, the OW-low HG group was 3.05 (95%CI: 1.88-4.97) times more likely to have clustered metabolic risk although risk was not significantly elevated in the OW-moderate-high HG group (1.52 [95%CI: 0.88-2.62]). A similar association was observed between OW and low SU scores but not between OW and low 20mSRT or SLJ scores. Adolescents with OW and moderate-high HG or SU scores had a lower prevalence of an unfavourable metabolic state than those with OW and low HG or SU results.

DOI： 10.1080/02640414.2023.2268358

PubMed

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Publishing type：Research paper (scientific journal)   Publisher：American Diabetes Association  

We examined the effects of a lifestyle intervention program with a smartphone app augmented by intermittently scanned continuous glucose monitoring (isCGM) of persons at high risk of developing diabetes in a 12-week randomized open-label trial (UMIN00004640). The program monitored blood glucose fluctuations and lifestyle habits and displayed them in an easy-to-understand interface as well as provided personalized lifestyle intervention messages. The primary endpoint was the change in time in range (TIR) of 70-140 mg/dL between intervention (App) and control (C) groups. Among 168 patients (mean age 48.1 y, mean BMI 26.6 kg/m2, and male 80.4%), 82 and 86 were assigned to the App group and C group, respectively. After 12 weeks, TIR of 70-140 mg/dL significantly improved in the App group compared to the C group (-2.6 min/day vs. +31.5 min/day, p=0.03). Changes in time above range (&amp;gt;140 mg/dL; -20.9 min/day vs. -22.6 min/day, p=0.86) did not differ, whereas time below range (&amp;lt;70 mg/dL; +23.5 min/day vs. -8.9 min/day, p=0.02) improved in App compared to C. BMI (-0.26 vs. -0.59, p=0.017) and carbohydrate intake (-4.4 kcal/day vs. -22.7 kcal/day, p=0.049) also improved in App compared to C. Intervention with a smartphone app and isCGM increased glycemic control with a decrease in carbohydrate intake and weight loss.

<p></p> Disclosure

M.Kitazawa: None. H.Sone: Research Support; Novo Nordisk, Astellas Pharma Inc., Kyowa Kirin Co., Ltd., Taisho Pharmaceutical Holdings Co., Ltd., Ono Pharmaceutical Co., Ltd., Eisai Co., Ltd., Takeda Pharmaceutical Co., Ltd. H.Suzuki: None. C.Horikawa: None. Y.Takeda: None. I.Ikeda: None. M.Hatta: None. M.Iwanaga: None. T.Yamada: None. K.Fujihara: None.

DOI： 10.2337/db23-738-p

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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We developed a new Physical Score (PS) consisting of comprehensive physical fitness indicators and elucidated the association between the resultant PS and metabolic diseases, i.e., diabetes, hypertension, dyslipidemia, fatty liver, and metabolic syndrome (MetS), among Japanese. Analyzed were 49,850 persons (30,039 men) aged 30 to 69 y who underwent physical fitness tests. Principal component analysis was performed on the correlation matrix of the physical fitness test results (relative grip strength, single-leg balance with eyes closed, and forward bending) according to sex and age. We defined the PS as the first principal component score. A formula was developed for various age groups comprised of men and women from 30 to 69 years of age from which the PS for each age and sex was calculated. The PS for both men and women was normally distributed with a value of 0 ± 1.15-1.16. Multivariate logistic regression analysis showed that the risk of metabolic diseases increased approximately 1.1-1.6 times per each 1-point reduction in the PS. The association between PS and MetS was particularly strong in that a 1-point reduction in the PS increased the risk of MetS by 1.54 times (95% confidence interval 1.46 to 1.62) in men and by 1.21 times (1.15 to 1.28) in women. The association between a lower PS and disease risk was stronger in younger men for fatty liver and in older men for MetS. Conversely, in women, the association between a lower PS and disease risk was stronger in older women for fatty liver and in younger women for MetS. For diabetes, hypertension, and dyslipidemia, the change in the impact of PS reductions across age groups was small. The PS is a useful and simple non-invasive tool for screening Japanese people for metabolic diseases.

DOI： 10.52082/jssm.2023.98

PubMed

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Language：Japanese   Publisher：(一社)日本疫学会  

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Publishing type：Research paper (scientific journal)   Publisher：Ovid Technologies (Wolters Kluwer Health)  

DOI： 10.1097/hjh.0000000000003362

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AIMS: To determine the associations between combined urinary protein (UP) and a reduced estimated glomerular filtration rate (eGFR) and the risk of starting dialysis with or without diabetes mellitus (DM). METHODS: A nationwide database with claims data on 335,778 people with and without DM aged 19-72 years in Japan was used to elucidate the impact of the severities of UP and eGFR on starting dialysis. Initiation of dialysis was determined from claims using ICD-10 codes and medical procedures. Using multivariate Cox modeling, we investigated the severities of UP and eGFR to predict the initiation of dialysis with and without DM. RESULTS: Both eGFR < 60 and UP(+) were independent predictors for starting dialysis with and without DM, and their values exhibited a synergistic risk of dialysis. eGFR < 60 presented a nearly twofold risk for starting dialysis compared to UP(+) regardless of DM. Risk of starting dialysis was increased with UP(+) and eGFR ≥ 60 accompanied by DM although this association was not observed without DM. Those who had UP(-) and eGFR < 60 had a high risk of starting dialysis regardless of DM. Compared with DM(-)UP(-)eGFR ≥ 60, HRs for starting dialysis for DM(+)UP(+)eGFR ≥ 60, DM(+)UP(-)eGFR < 60 and DM(+)UP(+)eGFR < 60 significantly increased 17.7 (10.6-29.7), 25.5 (13.8-47.1) and 358.1 (239.1-536.5) times, respectively. CONCLUSIONS: eGFR < 60 and UP(+) together presented an extremely high risk of dialysis especially with DM. UP( +) increased the risk of starting dialysis regardless of the eGFR with DM. Both patient education and a treatment strategy by physicians might be helpful to avoid the progression of renal failure.

DOI： 10.1007/s13340-022-00603-z

PubMed

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BACKGROUND: Obesity is an established risk factor for non-communicable diseases such as type 2 diabetes mellitus, hypertension and cardiovascular disease. Thus, weight control is a key factor in the prevention of non-communicable diseases. A simple and quick method to predict weight change over a few years could be helpful for weight management in clinical settings. METHODS: We examined the ability of a machine learning model that we constructed to predict changes in future body weight over 3 years using big data. Input in the machine learning model were three-year data on 50,000 Japanese persons (32,977 men) aged 19-91 years who underwent annual health examinations. The predictive formulas that used heterogeneous mixture learning technology (HMLT) to predict body weight in the subsequent 3 years were validated for 5,000 persons. The root mean square error (RMSE) was used to evaluate accuracy compared with multiple regression. RESULTS: The machine learning model utilizing HMLT automatically generated five predictive formulas. The influence of lifestyle on body weight was found to be large in people with a high body mass index (BMI) at baseline (BMI ≥29.93 kg/m2) and in young people (<24 years) with a low BMI (BMI <23.44 kg/m2). The RMSE was 1.914 in the validation set which reflects ability comparable to that of the multiple regression model of 1.890 (p = 0.323). CONCLUSION: The HMLT-based machine learning model could successfully predict weight change over 3 years. Our model could automatically identify groups whose lifestyle profoundly impacted weight loss and factors the influenced body weight change in individuals. Although this model must be validated in other populations, including other ethnic groups, before being widely implemented in global clinical settings, results suggested that this machine learning model could contribute to individualized weight management.

DOI： 10.3389/fpubh.2023.1090146

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1111/dom.14836

PubMed

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BACKGROUND AND OBJECTIVES: To clarify whether the presence or absence of fast walking and habitual physical activity are independently associated with the incidence of functional disability. METHODS: This historical cohort study was comprised of 9,652 (4,412 men, mean age 65 years) individuals aged 39-98 years without functional disability at baseline. Functional disability was determined based on the Japanese long-term care insurance system, which specified requirements for assistance in the activities of daily living. The impact of fast walking and habitual physical activity on the incidence of functional disability was analysed by Cox proportional hazards models. RESULTS: The follow-up period was a median of 3.7 years during which 165 patients were newly certified as having functional disability. In the multivariate analysis, baseline age in 5-year increments (hazard ratio 2.42 [95% confidence interval 2.18-2.69]), no habitual physical activity (1.56 [1.07-2.27]), and not fast walking (1.89 [1.32-2.69]) significantly increased the risk of functional disability after adjustment for covariates. The stratified analysis showed that compared with physical activity (+), the impact of physical activity (-) on the incidence of functional disability was observed in those aged ≥75 years regardless of fast walking (+). Fast walking (-) significantly increased the risk of disability compared with fast walking (+) in those aged <75 years regardless of a physical activity habit. CONCLUSION: In Japanese, slow walking speed and lack of a physical activity habit were shown to be independent risk factors for incident functional disability, with their impact differing according to age.

DOI： 10.1093/fampra/cmac087

PubMed

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BACKGROUND: To determine the impact of metabolic syndrome (MetS) and/or metabolic dysfunction-associated fatty liver disease (MAFLD), which are pathophysiologically similar and include insulin resistance, on the development of new-onset cardiovascular disease with and without type 2 diabetes and according to sex. METHODS: This study included 570,426 individuals without a history of cardiovascular disease who were enrolled in a nationwide claims database from 2008 to 2016 and were classified by the presence or absence of MetS and/or MAFLD stratified by the presence or absence of type 2 diabetes and sex. The fatty liver index was used to determine the presence or absence of fatty liver that required a diagnosis of MAFLD. Risks of developing coronary artery disease (CAD) and cerebrovascular disease (CVD) in each category were analyzed using a multivariate Cox proportional hazard model. RESULTS: During a median follow-up of 5.2 years, 2252 CAD and 3128 CVD events occurred. Without type 2 diabetes the hazard ratio (HR) (95% CI) for CAD/CVD compared with neither MAFLD nor MetS was 1.32 (1.17-1.50)/1.41(1.28-1.57) for MAFLD only (without MetS), 1.78 (1.22-2.58)/1.66 (1.34-2.06) for MetS only (without MAFLD), and 2.10 (1.84-2.39)/1.73 (1.54-1.95) for MAFLD + MetS. For those with type 2 diabetes, the HR for CAD for MAFLD only (compared with neither MAFLD nor MetS) was 1.29 (1.06-1.58), for MetS only 1.34 (0.84-2.13), and for MAFLD + MetS 1.22 (1.02-1.47). For CVD, there was a significant increase in HR only in MAFLD + MetS [1.44 (1.18-1.76)]. The results of the analysis stratified by sex showed that MAFLD had a greater impact in men, and MetS had a greater impact in women regarding the development of CAD. CONCLUSIONS: Distinguishing between MetS and/or MAFLD in the presence or absence of type 2 diabetes and according to sex may aid in accurately identifying patients at high risk of cardiovascular disease.

DOI： 10.1186/s12933-022-01518-4

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本疫学会  

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Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

<title>Abstract</title><sec>
<title>Background</title>
Although both a history of cerebrovascular disease (CVD) and glucose abnormality are risk factors for CVD, few large studies have examined their association with subsequent CVD in the same cohort. Thus, we compared the impact of prior CVD, glucose status, and their combinations on subsequent CVD using real-world data.


</sec><sec>
<title>Methods</title>
This is a retrospective cohort study including 363,627 men aged 18–72 years followed for ≥ 3 years between 2008 and 2016. Participants were classified as normoglycemia, borderline glycemia, or diabetes defined by fasting plasma glucose, HbA1c, and antidiabetic drug prescription. Prior and subsequent CVD (i.e. ischemic stroke, transient ischemic attack, and non-traumatic intracerebral hemorrhage) were identified according to claims using ICD-10 codes, medical procedures, and questionnaires.


</sec><sec>
<title>Results</title>
Participants’ mean age was 46.1 ± 9.3, and median follow up was 5.2 (4.2, 6.7) years. Cox regression analysis showed that prior CVD + conferred excess risk for CVD regardless of glucose status (normoglycemia: hazard ratio (HR), 8.77; 95% CI 6.96–11.05; borderline glycemia: HR, 7.40, 95% CI 5.97–9.17; diabetes: HR, 5.73, 95% CI 4.52–7.25). Compared with normoglycemia, borderline glycemia did not influence risk of CVD, whereas diabetes affected subsequent CVD in those with CVD- (HR, 1.50, 95% CI 1.34–1.68). In CVD-/diabetes, age, current smoking, systolic blood pressure, high-density lipoprotein cholesterol, and HbA1c were associated with risk of CVD, but only systolic blood pressure was related to CVD risk in CVD + /diabetes.


</sec><sec>
<title>Conclusions</title>
Prior CVD had a greater impact on the risk of CVD than glucose tolerance and glycemic control. In participants with diabetes and prior CVD, systolic blood pressure was a stronger risk factor than HbA1c. Individualized treatment strategies should consider glucose tolerance status and prior CVD.


</sec>

DOI： 10.1186/s12933-021-01367-7

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Other Link： https://link.springer.com/article/10.1186/s12933-021-01367-7/fulltext.html

Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: Our purpose in the research was to clarify the impact of medication adherence to oral hypoglycemic agents during a 1-year period and subsequent glycemic control on the risk of micro- and macrovascular diseases. METHODS: Examined was a nationwide claims database on 13,256 individuals with diabetic eye disease without requiring prior treatment, 7,862 without prior initiation of dialysis, 15,556 without prior coronary artery disease, 16,243 without prior cerebrovascular disease, and 19,386 without prior heart failure from 2008 to 2016 in Japan. Medication adherence was evaluated by the proportion of days covered. Patients were considered to have poor adherence if the proportion of days covered was <80%. Multivariate Cox regression model identified risks of micro- and macrovascular diseases. RESULTS: In each group, mean age was 53 to 54 years, HbA1c was 7.1% to 7.2%, and median follow-up period was 4.6 to 5.1 years, and the percentage of poor adherence was approximately 30%. During the study period, 532 treatment-requiring diabetic eye disease, 75 dialysis, 389 coronary artery disease, 316 cerebrovascular disease, and 144 heart failure events occurred. Multivariate Cox regression model revealed that the hazard ratio (95% confidence interval) of dialysis in the poor adherence group was 2.04 (1.27-3.30) compared with the good adherence group. The hazard ratios in the poor adherence/poor glycemic control group were 3.34 (2.63-4.24) for treatment-requiring diabetic eye disease, 4.23 (2.17-8.26) for dialysis, 1.69 (1.23-2.31) for coronary artery disease, and 2.08 (1.25-3.48) for heart failure compared with the good adherence/good glycemic control group. CONCLUSIONS: Poor medication adherence was an independent risk factor for the initiation of dialysis, suggesting that clinicians must pay close attention to these patients.

DOI： 10.1016/j.amjmed.2021.10.018

PubMed

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Publishing type：Research paper (scientific journal)   Publisher：Wiley  

DOI： 10.1111/dom.14387

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Other Link： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/dom.14387

Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Publishing type：Research paper (scientific journal)   Publisher：American Diabetes Association  

DOI： 10.2337/dc20-2252

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：English   Publishing type：Research paper (scientific journal)  

BACKGROUND: The prevalence of diabetes is rising, and diabetes develops at a younger age in East Asia. Although lower limb amputation negatively affects quality of life and increases the risk of cardiovascular events, little is known about the rates and predictors of amputation among persons with diabetes from young adults to those in the "young-old" category (50-72 y). METHODS: We analyzed data from a nationwide claims database in Japan accumulated from 2008 to 2016 involving 17,288 people with diabetes aged 18-72 y (mean age 50.2 y, HbA1c 7.2%). Amputation occurrence was determined according to information from the claims database. Cox regression model identified variables related to lower limb amputation. RESULTS: The mean follow-up time was 5.3 years, during which time 16 amputations occurred (0.17/1000 person-years). Multivariate Cox regression analysis showed that age (hazard ratio [HR] 1.09 [95% confidence intervals] 1.02-1.16, p = 0.01) and HbA1c (HR 1.46 [1.17-1.81], p < 0.01) were independently associated with amputations. Compared with those aged < 60 years with HbA1c < 8.0%, the HR for amputation was 27.81 (6.54-118.23) in those aged ≥60 years and HbA1c ≥8.0%. CONCLUSIONS: Age and HbA1c were associated with amputations among diabetic individuals, and the rates of amputation were significantly greater in those ≥60 years old and with HbA1c ≥8.0%.

DOI： 10.1186/s13047-021-00474-8

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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To determine associations between severity of hypertension and risk of starting dialysis in the presence or absence of diabetes mellitus (DM). A nationwide database with claims data on 258 874 people with and without DM aged 19-72 years in Japan was used to elucidate the impact of severity of hypertension on starting dialysis. Initiation of dialysis was determined from claims using International Classification of Diseases-10 codes and medical procedures. Using multivariate Cox modeling, we investigated the severity of hypertension to predict the initiation of dialysis with and without DM. Hypertension was significantly associated with the initiation of dialysis regardless of DM. The incidence of starting dialysis in those with systolic blood pressure (SBP) ≤119 mm Hg and DM (DM+) was almost the same as in those with SBP ≥150 mm Hg and absence of DM (DM-). In comparison with SBP ≤119 mm Hg, SBP ≥150 mm Hg significantly increased the risk of the initiation of dialysis about 2.5 times regardless of DM+ or DM-. Compared with DM- and SBP ≤119 mm Hg, the HR for DM+ and SBP ≥150 mm Hg was 6.88 (95% CI 3.66 to 12.9). Although the risks of hypertension differed only slightly regardless of the presence or absence of DM, risks for starting dialysis with DM+ and SBP ≤119 mm Hg were equivalent to DM- and SBP ≥150 mm Hg, indicating more strict blood pressure interventions in DM+ are needed to avoid dialysis. Future studies are required to clarify the cut-off SBP level to avoid initiation of dialysis considering the risks of strict control of blood pressure.

DOI： 10.1136/jim-2020-001489

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AIM: To compare the long-term efficacy of sodium-glucose co-transporter-2 inhibitors and dipeptidyl peptidase-4 inhibitors as second-line drugs after metformin for patients not at high risk of atherosclerotic cardiovascular disease (ASCVD). MATERIALS AND METHODS: In a 52-week randomized open-label trial, we compared ipragliflozin and sitagliptin in Japanese patients diagnosed with type 2 diabetes, without prior ASCVD and treated with metformin. The primary endpoint was a glycated haemoglobin (HbA1c) reduction of ≥0.5% (5.5 mmol/mol) without weight gain at 52 weeks. RESULTS: Of a total of 111 patients (mean age 59.2 years, mean body mass index [BMI] 26.6 kg/m2 , 61.3% men), 54 patients received ipragliflozin and 57 received sitagliptin. After 52 weeks, achievement of the primary endpoint was not significantly different (37.0% and 40.3%; P = 0.72). HbA1c reduction rate at 24 weeks was greater for sitagliptin (56.1%) than for ipragliflozin (31.5%; P = 0.01). From 24 to 52 weeks, the HbA1c reduction with sitagliptin was attenuated, with no significant difference in HbA1c reduction after 52 weeks between sitagliptin (54.4%) and ipragliflozin (38.9%; P = 0.10). Improvements in BMI, C-peptide and high-density lipoprotein cholesterol were greater with ipragliflozin than with sitagliptin. Adverse events occurred in 17 patients with ipragliflozin and in 10 patients with sitagliptin (P = 0.11). CONCLUSION: The HbA1c-lowering effect at 24 weeks was greater with sitagliptin than with ipragliflozin, but with no difference in efficacy related to HbA1c and body weight at 52 weeks. However, some ASCVD risk factors improved with ipragliflozin.

DOI： 10.1111/dom.14288

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Language：Japanese   Publisher：新潟県医師会  

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Publishing type：Research paper (scientific journal)   Publisher：Wiley  

DOI： 10.1111/sms.13867

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Publishing type：Research paper (scientific journal)   Publisher：Human Kinetics  

<bold>Background</bold>: To examine the association between muscular and performance fitness (MPF) and the incidence of glaucoma. <bold>Methods</bold>: A total of 27,051 glaucoma-free participants aged 20–87 years underwent physical fitness tests between April 2001 and March 2002. The MPF index was calculated using an age- and sex-specific summed <italic>z</italic>-score from grip strength, vertical jump, single-leg balance, forward bending, and whole-body reaction time. The participants were divided into quartiles according to the MPF index and each physical fitness test. Participants were followed up for the development of glaucoma, which was defined based on physician-diagnosed glaucoma at an annual health examination between April 2002 and March 2008. Hazard ratios for the incidence of glaucoma were estimated using Cox proportional hazards models. <bold>Results</bold>: During follow-up, 303 participants developed glaucoma. Compared with the lowest MPF index group, hazard ratio (95% confidence interval) of developing glaucoma was 0.64 (0.46–0.89) for the highest MPF index group (<italic>P</italic> for trend = .001). Vertical jump and whole-body reaction time were associated with incident glaucoma (<italic>P</italic> for trend = .01 and &lt;.001, respectively). There were no associations between the other physical fitness tests and the incidence of glaucoma. <bold>Conclusion</bold>: Higher MPF is associated with lower incidence of glaucoma.

DOI： 10.1123/jpah.2019-0660

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Other Link： https://journals.humankinetics.com/downloadpdf/journals/jpah/17/11/article-p1171.xml

Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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PURPOSE: This network meta-analysis aimed to assess the current efficacy of decreasing the uric acid (UA) level with drugs to reduce mortality in patients with heart failure (HF). METHODS: Electronic literature searches using EMBASE and MEDLINE of studies published from 1 Jan 1950 to 26 Dec 2019 were conducted for randomized controlled trials or non-randomized cohort studies that included at least one group of patients who took UA-lowering drugs and with a study outcome of all-cause mortality. A random-effects network meta-analysis was performed within a frequentist framework. Hierarchy of treatments was expressed as the surface under the cumulative ranking curve (SUCRA) value, which is in proportion to mean rank (best is 100%). RESULTS: Nine studies, which included seven different types of groups, were eligible for analysis. The "untreated uricemia" group in which patients had hyperuricemia but without treatment had a significantly higher risk of mortality than the "no uricemia" group in which patients had no hyperuricemia (relative risk (RR)(95% confidence interval (CI), 1.43 (1.08-1.89)). The "start-allo" group wherein patients started to take allopurinol did not have a significantly lower risk of mortality than the "untreated uricemia" group (RR (95% CI), 0.68 (0.45-1.01)). However, in the "start-allo" group the SUCRA value was comparable to that in the "no uricemia" group (SUCRA: 65.4% for "start-allo"; 64.1% for "no uricemia"). CONCLUSIONS: Results suggested that allopurinol therapy was not associated with a significantly improved prognosis in terms of mortality but could potentially counteract the adverse effects associated with longstanding hyperuricemia in HF patients.

DOI： 10.1007/s10557-020-07097-4

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

DOI： 10.1016/j.diabet.2018.08.009

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：English   Publishing type：Research paper (scientific journal)  

Despite mounting evidence of the positive relationship between diabetes mellitus (DM) and heart failure (HF), the entire context of the magnitude of risk for HF in relation to DM remains insufficiently understood. The principal reason is because new-onset HF (HF occurring in participants without a history of HF) and recurrent HF (HF re-occurring in patients with a history of HF) are not discriminated. This meta-analysis aims to comprehensively and separately assess the risk of new-onset and recurrent HF depending on the presence or absence of DM. We systematically searched cohort studies that examined the relationship between DM and new-onset or recurrent HF using EMBASE and MEDLINE (from 1 Jan 1950 to 28 Jul 2019). The risk ratio (RR) for HF in individuals with DM compared with those without DM was pooled with a random-effects model. Seventy-four and 38 eligible studies presented data on RRs for new-onset and recurrent HF, respectively. For new-onset HF, the pooled RR [95% confidence interval (CI)] of 69 studies that examined HF as a whole [i.e. combining HF with preserved ejection fraction (HFpEF) and HF with reduced ejection fraction (HFrEF)] was 2.14 (1.96-2.34). The large between-study heterogeneity (I2  = 99.7%, P < 0.001) was significantly explained by mean age [pooled RR (95% CI) 2.60 (2.38-2.84) for mean age < 60 years vs. pooled RR (95% CI) 1.95 (1.79-2.13) for mean age ≥ 60 years] (P < 0.001). Pooled RRs (95% CI) of seven and eight studies, respectively, that separately examined HFpEF and HFrEF risk were 2.22 (2.02-2.43) for HFpEF and 2.73 (2.71-2.75) for HFrEF. The risk magnitudes between HFpEF and HFrEF were not significantly different in studies that examined both HFpEF and HFrEF risks (P = 0.86). For recurrent HF, pooled RR (95% CI) of the 38 studies was 1.39 (1.33-1.45). The large between-study heterogeneity (I2  = 80.1%, P < 0.001) was significantly explained by the proportion of men [pooled RR (95% CI) 1.53 (1.40-1.68) for < 65% men vs. 1.32 (1.25-1.39) for ≥65% men (P = 0.01)] or the large pooled RR for studies of only participants with HFpEF [pooled RR (95% CI), 1.73 (1.32-2.26) (P = 0.002)]. Results indicate that DM is a significant risk factor for both new-onset and recurrent HF. It is suggested that the risk magnitude is large for new-onset HF especially in young populations and for recurrent HF especially in women or individuals with HFpEF. DM is associated with future HFpEF and HFrEF to the same extent.

DOI： 10.1002/ehf2.12782

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BACKGROUND: Several cross-sectional studies have linked higher physical fitness with better hearing sensitivity but have not established a causal relation; none have used a prospective design that is less susceptible to bias. We used a prospective cohort study to investigate the association between muscular and performance fitness and the incidence of hearing loss. METHODS: In total, 21,907 participants without hearing loss received physical fitness assessments between April 2001 and March 2002. Muscular and performance fitness index, an age- and sex-specific summed z-score based on grip strength, vertical jump height, single-leg balance, forward bending, and whole-body reaction time was calculated. Participants were classified into quartiles according to the muscular and performance fitness index as well as each physical fitness test. They were followed up for the development of hearing loss, assessed by pure-tone audiometry at annual health examinations between April 2002 and March 2008. Hazard ratios (HRs) and 95% confidence intervals (95% CIs) for hearing loss incidence were estimated using Cox proportional hazards regression models. RESULTS: During follow-up, 2765 participants developed hearing loss. The HRs (95% CIs) for developing hearing loss across the muscular and performance fitness index quartiles (lowest to highest) were 1.00 (reference), 0.88 (0.79-0.97), 0.83 (0.75-0.93), and 0.79 (0.71-0.88) (Ptrend <.001). Among the various physical fitness components, a clear dose-response association with hearing loss incidence was observed in vertical jump height and single-leg balance (Ptrend <.001 for both). CONCLUSION: Higher muscular and performance fitness is associated with a lower incidence of hearing loss.

DOI： 10.1016/j.amjmed.2020.06.021

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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BACKGROUND AND OBJECTIVES: Pediatric obesity is associated with clustered cardiometabolic risk and the future incidence of cardiovascular disease. However, few studies have determined the effect of pediatric obesity in Asia, where obesity is less common than in Western countries. We aimed to clarify whether weight status including underweight and slightly overweight is associated with metabolic risk factors in Japanese adolescents. METHODS AND STUDY DESIGN: We performed a cross-sectional analysis of 2241 adolescents aged 13-14 years. Participants were classified as underweight, normal weight, slightly overweight, overweight, or obese according to the International Obesity Task Force. The clustered cardiometabolic risk (Z-CMR) was estimated by summing standardized sex-specific Z scores of mean arterial pressure (MAP), non-high-density lipoprotein cholesterol (non-HDLC), and HbA1c. RESULTS: Linear regression analysis showed that MAP, non-HDL-C, and Z-CMR were higher in the slightly overweight, overweight, and obese groups than in the normal weight group after adjusting for confounders. Compared with the normal weight group, the slightly overweight, overweight, and obese groups had higher prevalence of high BP [odds ratios (ORs): 1.38 (95% CI, 1.03, 1.85); 2.63 (1.77, 3.91); and 2.39 (1.57, 3.64), respectively]. Compared with the normal weight group, underweight boys, but not girls, had a lower prevalence of high Z-CMR [OR=0.20 (0.05, 0.84)]. CONCLUSIONS: Adolescents classified as slightly overweight had higher levels of BP, serum lipids, and clustered cardiometabolic risk than those classified as normal weight. This observation showed significant associations between weight status and cardiometabolic risk factors during adolescence even in East Asians.

DOI： 10.6133/apjcn.202012_29(4).0022

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DOI： 10.2337/DB20-1485-P

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DOI： 10.2337/DB20-6-OR

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DOI： 10.2337/DB20-518-P

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DOI： 10.2337/DB20-1988-P

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DOI： 10.2337/DB20-449-P

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DOI： 10.2337/DB20-841-P

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DOI： 10.2337/DB20-1126-P

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DOI： 10.2337/DB20-1267-P

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To determine the degree of control of multiple risk factors under real-world conditions for coronary artery disease (CAD) according to the presence or absence of diabetes mellitus (DM) and to determine whether reaching multifactorial targets for blood pressure (BP), low-density lipoprotein-cholesterol (LDL-C), HbA1c, and current smoking is associated with lower risks for CAD. METHODS: We investigated the effects on subsequent CAD of the number of controlled risk factors among BP, LDL-C, HbA1c, and current smoking in a prospective cohort study using a nationwide claims database of 220,894 individuals in Japan. Cox regression examined risks over a 4.8-year follow-up. RESULTS: The largest percentage of participants had two risk factors at target in patients with DM (39.6%) and subjects without DM (36.4%). Compared with those who had two targets achieved, the risks of CAD among those who had any one and no target achieved were two and four times greater, respectively, regardless of the presence of DM. The effect of composite control was sufficient to bring CAD risk in patients with DM below that for subjects without DM with any two targets achieved, whereas the risk of CAD in the DM group with all four risk factors uncontrolled was 9.4 times more than in the non-DM group who had achieved two targets. CONCLUSIONS: These findings show that composite control of modifiable risk factors has a large effect in patients with and without DM. The effect was sufficient to bring CAD risk in patients with DM below that in the non-DM group who had two targets achieved.

DOI： 10.1210/jc.2019-00168

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Language：Japanese   Publisher：新潟医学会  

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Other Link： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2019&ichushi_jid=J00990&link_issn=&doc_id=20200819040013&doc_link_id=%2Fdg3nigta%2F2019%2Fs13309%2F008%2F0352-0352%26dl%3D0&url=http%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fdg3nigta%2F2019%2Fs13309%2F008%2F0352-0352%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：Japanese   Publisher：(一社)日本糖尿病合併症学会  

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Language：English   Publishing type：Research paper (scientific journal)  

BACKGROUND: Efficacy of programs for patients with diabetes mellitus (DM) that have promoted family members to help with patients' self-care activities has been largely inconsistent. This meta-analysis aims to assess the effect of family-oriented diabetes programs for glycemic control (GC). METHODS: Electronic literature searches were conducted for clinical trials with a parallel design wherein there were two groups according to whether family members were included (intervention group) or not included (control group) and changes in glycohemoglobin A1C (A1C) were assessed as a study outcome. Each effect size (i.e. difference in A1C change between the intervention and control group) was pooled with a random-effects model. RESULTS: There were 31 eligible trials consisting of 1466 and 1415 patients in the intervention and control groups, respectively. Pooled A1C change [95% confidence interval (CI)] was -0.45% (-0.64% to -0.26%). Limiting analyses to 21 trials targeted at patients with type 1 DM or 9 trials targeted at patients with type 2 DM, the pooled A1C changes (95% CI) were -0.35% (-0.55% to -0.14%) and -0.71% (-1.09% to -0.33%), respectively. CONCLUSION: This meta-analysis suggests that focusing on the family as well as the individual patient in self-management diabetes programs to improve the performance of self-care activities of patients with DM is effective in terms of proper GC.

DOI： 10.1093/fampra/cmy112

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：Japanese   Publisher：新潟医学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本内分泌学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本動脈硬化学会  

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Language：Japanese   Publisher：(有)科学評論社  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：LIPPINCOTT WILLIAMS & WILKINS  

Little is known about the relationships between patient factors and the antihyperglycemic agents that have been prescribed as initial therapy by diabetes specialists for patients with type 2 diabetes. Moreover, there has been little clarification of the subsequent usage patterns and related factors that influenced the continuation or discontinuation of the drug or the addition of another drug. To provide information on these issues, we evaluated the clinical characteristics of Japanese patients with type 2 diabetes for whom different types of oral hypoglycemic agents (i.e., either sulfonylureas, biguanides, or DPP-4 inhibitors (DPP-4Is)) were chosen as initial monotherapy by diabetes specialists and evaluated subsequent usage patterns.
Prescription data on 3 different antidiabetic agents from December 2009 to March 2015 from diabetes specialists' patient registries were used to identify variables at baseline related to initial prescriptions; also, the addition of another hypoglycemic drug or discontinuation of the initial therapy was evaluated 1 year after the initial prescription. Analyzed were data on 2666 patients who received initial monotherapy with either a sulfonylurea (305 patients), biguanide (951 patients), or DPP-4I (1410 patients). Patients administered sulfonylureas were older, had a lower body mass index (BMI), longer duration of diabetes, and worse glycemic control than recipients of biguanides. Use of biguanides was related to younger age, short duration of diabetes, and obesity but was negatively associated with poor glycemic control. Older age but neither obesity nor poor glycemic control was associated with DPP-4Is. In all 3 groups a high HbA1c value was related to adding another hypoglycemic agent to the initial therapy. Moreover, adding another drug to a DPP-4I was related to a younger age and higher BMI.
Patients' age, duration of diabetes, obesity, and glycemic control at baseline influenced the choice of hypoglycemic agents. Selection of a biguanide differs greatly from that of a sulfonylurea or DPP-4I with regard to age and obesity.

DOI： 10.1097/MD.0000000000006122

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Language：English   Publisher：ACADEMIC PRESS INC ELSEVIER SCIENCE  

Objective. Nonblood-based risk assessment for type 2 diabetes mellitus (T2DM) that depends on data based on a questionnaire and anthropometry is expected to avoid unnecessary diagnostic testing and overdiagnosis due to blood testing. This meta-analysis aims to assess the predictive ability of nonblood-based risk assessment for future incident T2DM.
Methods. Electronic literature search was conducted using EMBASE and MEDLINE (from January 1, 1997 to October 1, 2014). Included studies had to use at least 3 predictors for T2DM risk assessment and allow reproduction of 2 x 2 contingency table data (i.e., true positive, true negative, false positive, false negative) to be pooled with a bivariate random-effects model and hierarchical summary receiver-operating characteristic model. Considering the importance of excluding individuals with a low likelihood of T2DM from diagnostic blood testing, we especially focused on specificity and LR-.
Results. Eighteen eligible studies consisting of 184,011 participants and 7038 cases were identified. The pooled estimates (95% confidence interval) were as follows: sensitivity = 0.73 (0.66-0.79), specificity = 0.66 (0.59-0.73), LR+ = 2.13 (1.81-2.50), and LR- = 0.41 (0.34-0.50).
Conclusions. Nonblood-based assessment of risk of T2DM could produce acceptable results although the feasibility of such a screener needs to be determined in future studies. (C) 2016 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.ypmed.2016.07.026

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：JAPAN SOC INTERNAL MEDICINE  

A 39-year-old woman with a 3-year history of a rounded face developed widespread myalgia. Detailed examinations revealed no disorders that could explain the pain other than concomitant Cushing's disease and central hypothyroidism. Both the hypercortisolemia and hypothyroidism completely resolved after the patient underwent surgery to treat Cushing's disease, but she continued to experience unresolved myalgia and met the diagnostic criteria for fibromyalgia. Few studies have so far investigated patients with fibromyalgia associated with Cushing's syndrome. In our case, the hypothyroidism caused by Cushing's disease probably played an important role in triggering and exacerbating fibromyalgia. This highlights the need to examine the endocrine function in patients with muscle pain.

DOI： 10.2169/internalmedicine.55.5926

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DOI： 10.1111/jdi.12387

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：HINDAWI PUBLISHING CORPORATION  

Aims. To elucidate the levels of malondialdehyde-modified LDL (MDA-LDL)-related variables for predicting coronary artery stenosis (CAS) by coronary CT angiography (CCTA) in asymptomatic patients with type 2 diabetes (T2DM). Methods. Enrolled were 36 Japanese patients with T2DM who underwent CCTA and in whom MDA-LDL levels were measured. Definition of CAS was luminal narrowing of &gt;= 50%. Trends through tertiles of each MDA-LDL-related variable were analyzed with a general linear model. The ability of each MDA-LDL-related variable to predict CAS was compared to areas under the curve (AUCs) in receiver operating characteristic curve (ROC) analysis. Results. Seventeen patients had CAS. Each MDA-IDL-related variable was an independent predictor of CAS (P = 0.039 for MDALDL, P = 0.013 for MDA-LDL/LDL-C, P = 0.047 for MDA-LDL/HDL-C, and P = 0.013 for (MDA-LDULDL-C)/HDL-C). AUCs of MDA-LDL, MDA-LDL/LDL-C, MDA-LDL/HDL-C, and (MDA-LDULDLC)/HDL-C were 0.675 (95% CI 0.496-0.854), 0.765 (0.602-0.927), 0.752 (0.592-0.913), and 0.799 (0.643-0.955), respectively, for predicting CAS. Trends throughout the tertiles showed significant associations between N4DA-LDL/LDL-C, N4DA-LDL/41DL-C, or (MDALDL/LDL-C)/41DL-C and CAS (P 0.003 for MDA-LDL/LDL-C, P=0.042 for MDA-LDULIDL-C, and P 0.001 for (MDA-LDULDL-C)/HDL-C). Conclusions. Data suggest that measurements of MDA-LDL/LDL-C, MDA-LDL/HDLC, and (MakLDULDL-C)/HDL-C are useful for predicting CAS.

DOI： 10.1155/2015/507245

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC  

Results of epidemiologic studies that investigated the significance of pulse pressure (PP) and mean arterial pressure (MAP) in terms of risk of cardiovascular disease (CVD) in patients with diabetes mellitus are inconsistent. We performed a quantitative meta-analysis to estimate CVD risk in relation to PP or MAP. Electronic literature search was conducted for prospective studies providing data on CVD risk for an increment in baseline MAP or PP in patients with diabetes mellitus. The pooled CVD risk for a 10-mm Hg increase in each blood pressure (BP) index was estimated with a random-effects model. There were 17 eligible studies consisting of 52,647 patients and 5,112 CVD cases. The pooled relative risk (95% confidence interval) of CVD for an increment of 10 mm Hg was 1.10 (1.04 to 1.16) for PP and 1.09 (0.98 to 1.21) for MAP. Significant between-study heterogeneity was observed (I-2 [p value]; 76.5% [p &lt; 0.001] for PP, 67.8% [p = 0.005] for MAP). In studies concurrently investigating CVD risk for the 4 indexes (i.e., PP, MAP, systolic BP, and diastolic BP), the pooled relative risk (95% confidence interval) was 1.17 (1.09 to 1.26) for PP, 1.11 (1.06 to 1.15) for MAP, 1.14 (1.06 to 1.22) for systolic BP, and 1.06 (0.94 to 1.19) for diastolic BP. In conclusion, the current meta-analysis suggested that PP was the strongest indicator among the 4 commonly used BP indexes. However, the large heterogeneity urged cautious interpretation of the study results. (c) 2014 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.amjcard.2013.12.005

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：WILEY-BLACKWELL  

This meta-analysis quantified the risk of type 2 diabetes mellitus (T2DM) preceded by body weight (BW) gain in the general population. Systematic literature searches retrieved 15 eligible studies. The BW gain was divided into early weight-gain, which was defined as BW gain from early adulthood (18-24 years of age) to cohort entry (&gt;= 25 years of age), and late weight-gain, which was defined as BW gain from cohort entry. The pooled relative risk (RR; 95% confidence interval [CI]) of T2DM for an increment of BW gain standardized into a 5-kg m(-2) increment in the body mass index (BMI) was 3.07 (2.49-2.79) for early weight-gain and 2.12 (1.74-2.58) for late weight-gain. When limiting analysis to studies that concurrently examined T2DM risk for current BMI (defined in both groups as BMI at cohort entry), a larger magnitude of T2DM risk was revealed for early weight-gain compared with current BMI (RR [95% CI], 3.38 [2.20-5.18] vs. 2.39 [1.58-3.62]), while there was little difference between late weight-gain (RR [95% CI], 2.21 [1.91-2.56]) and current BMI (RR [95% CI], 2.47 [1.97-3.30]). The meta-analysis suggested that BW gain was a quantifiable predictor of T2DM, as well as current obesity in adults. Particularly, BW gain in early rather than middle-to-late adulthood played an important role in developing T2DM.

DOI： 10.1111/obr.12129

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：DOVE MEDICAL PRESS LTD  

Endogenous Cushing's syndrome is an endocrine disease resulting from chronic exposure to excessive glucocorticoids produced in the adrenal cortex. Although the ultimate outcome remains uncertain, functional and morphological brain changes are not uncommon in patients with this syndrome, and generally persist even after resolution of hypercortisolemia. We present an adolescent patient with Cushing's syndrome who exhibited cognitive impairment with brain atrophy. A 19-year-old Japanese male visited a local hospital following 5 days of behavioral abnormalities, such as money wasting or nighttime wandering. He had hypertension and a 1-year history of a rounded face. Magnetic resonance imaging (MRI) revealed apparently diffuse brain atrophy. Because of high random plasma cortisol levels (28.7 mu g/dL) at 10 AM, he was referred to our hospital in August 2011. Endocrinological testing showed adrenocorticotropic hormone-independent hypercortisolemia, and abdominal computed tomography demonstrated a 2.7 cm tumor in the left adrenal gland. The patient underwent left adrenalectomy in September 2011, and the diagnosis of cortisol-secreting adenoma was confirmed histologically. His hypertension and Cushingoid features regressed. Behavioral abnormalities were no longer observed, and he was classified as cured of his cognitive disturbance caused by Cushing's syndrome in February 2012. MRI performed 8 months after surgery revealed reversal of brain atrophy, and his subsequent course has been uneventful. In summary, the young age at onset and the short duration of Cushing's syndrome probably contributed to the rapid recovery of both cognitive dysfunction and brain atrophy in our patient. Cushing's syndrome should be considered as a possible etiological factor in patients with cognitive impairment and brain atrophy that is atypical for their age.

DOI： 10.2147/NDT.S70611

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Endogenous Cushing's syndrome is an endocrine disease resulting from chronic exposure to excessive glucocorticoids produced in the adrenal cortex. Although the ultimate outcome remains uncertain, functional and morphological brain changes are not uncommon in patients with this syndrome, and generally persist even after resolution of hypercortisolemia. We present an adolescent patient with Cushing's syndrome who exhibited cognitive impairment with brain atrophy. A 19-year-old Japanese male visited a local hospital following 5 days of behavioral abnormalities, such as money wasting or nighttime wandering. He had hypertension and a 1-year history of a rounded face. Magnetic resonance imaging (MRI) revealed apparently diffuse brain atrophy. Because of high random plasma cortisol levels (28.7 μg/dL) at 10 AM, he was referred to our hospital in August 2011. Endocrinological testing showed adrenocorticotropic hormone-independent hypercortisolemia, and abdominal computed tomography demonstrated a 2.7 cm tumor in the left adrenal gland. The patient underwent left adrenalectomy in September 2011, and the diagnosis of cortisol-secreting adenoma was confirmed histologically. His hypertension and Cushingoid features regressed. Behavioral abnormalities were no longer observed, and he was classified as cured of his cognitive disturbance caused by Cushing's syndrome in February 2012. MRI performed 8 months after surgery revealed reversal of brain atrophy, and his subsequent course has been uneventful. In summary, the young age at onset and the short duration of Cushing's syndrome probably contributed to the rapid recovery of both cognitive dysfunction and brain atrophy in our patient. Cushing's syndrome should be considered as a possible etiological factor in patients with cognitive impairment and brain atrophy that is atypical for their age.

DOI： 10.2147/NDT.S70611

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

Although the anteroventral third ventricular region (AV3V), a forebrain area essential for homeostatic responses, includes receptors for gamma-aminobutyric acid (GABA), the roles of these receptors in controlling vasopressin (AVP) secretion and related phenomena have not been clarified as yet. This study aimed to pursue this problem in conscious rats implanted with indwelling catheters. Cerebral injection sites were determined histologically. Applications of bicuculline, a GABA(A) receptor antagonist, to the AM induced prompt and marked augmentations in plasma AVP, osmolality, glucose, arterial pressure and heart rate, without affecting plasma electrolytes. Such phenomena did not occur when phaclofen, a GABA(B) receptor antagonist, was applied to the AM. All of the effects of AV3V-administered bicuculline were abolished by preadministration of the GABA(A) receptor agonist muscimol. Preadministration of either MK-801 or NBQX, ionotropic glutamatergic receptor antagonists, was also potent to abolish the AVP response to AM bicuculline. When hypertonic saline was infused intravenously, plasma AVP increased progressively, in parallel with rises in plasma osmolality, sodium and arterial pressure. AM application of muscimol or baclofen, a GABA(B) receptor agonist, was found to abolish the response of plasma AVP, without inhibiting that of the osmolality or sodium. The response of arterial pressure was also blocked by muscimol treatment, but not by baclofen treatment. Based on these results, we concluded that, under basal conditions, GABA receptors in the AM or vicinity may tonically operate to attenuate AVP secretion and cardiovascular functions through mechanisms associated with glutamatergic activity, and that plasma hyperosmolality may cause facilitation of AVP release by decreasing forebrain GABAergic activity. (c) 2008 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.brainresbull.2008.04.009

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

The area of the brain called the anteroventral third ventricular region (AV3V) includes three different subtypes of glutamate receptor, as well as neural circuits controlling fluid balance and cardiovascular and neuroendocrine functions. Although our previous data indicate the ability of AM N-methyl-D-aspartate (NMDA) and metabotropic receptors to provoke vasopressin (AVP)-releasing, pressor and hyperglycemic responses, the roles of non-NMDA receptors selective for alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid and kainate have not been elucidated to date. To address this question, the effects of intracerebral infusion with FWD or NBQX (specific agonist and antagonist for non-NMDA receptors, respectively) on plasma AVP, glucose, osmolality, electrolytes and cardiovascular parameters were examined in conscious rats in the absence or presence of an osmotic or volemic stimulus. When applied topically to AV3V structures such as the median preoptic nucleus, FWD augmented plasma AVP, osmolality, glucose and arterial pressure in a dose-associated fashion. All responses of the variables were abolished by pre-administering NBQX, which exerted no conspicuous effect on any variable except arterial pressure. It was revealed that NBQX administration in AM structures such as the median preoptic nucleus and the periventricular nucleus inhibited the rise of plasma AVP in response to intravenous infusion with hypertonic saline or removal of systemic blood through the femoral artery. Elevation of plasma osmolality and sodium evoked by osmotic load, and elevation of plasma osmolality, glucose and angiotensin II and decrease of arterial pressure caused by bleeding, were not significantly affected by NBQX treatment. These results suggest that AM non-NMDA receptors, as well as NMDA receptors, may elicit AVP-releasing, pressor and hyperglycemic actions when stimulated in the basal state, and may facilitate AVP secretion under both hyperosmotic and hypovolemic conditions, without contributing to cardiovascular, blood glucose or other responses. (c) 2006 Elsevier Inc. All fights reserved.

DOI： 10.1016/j.brainresbull.2006.09.002

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：INT SOC HISTOLOGY & CYTOLOGY  

Structural changes in the developing rat lung were studied by a combined use of light microscopy including immunohistochemistry for alpha-smooth muscle actin (alpha-SMA) and scanning electron microscopy (SEM) using the KOH-collagenase digestion method. In the embryonic stage (E11-E13), the lung bud appeared as an outgrowth from the ventral wall of the foregut which grew caudally into the splanchnic mesoderm to form a pair of bronchial buds at the end. At E13, the airway smooth muscle cells first appeared around the bifurcation of the trachea. These smooth muscle cells were restricted to the dorsal surface of the tracheal epithelium, suggesting a difference in character between the dorsal and ventral sides of the mesenchymal cells in this region. During the pseudoglandular stage (E13-E18.5), the bronchial buds repeatedly gave off branches in the mesenchymal tissue. The smooth muscle cells in the bronchioles were spindle-shaped and arranged completely circularly around the epithelial tube, except that the terminal bud of bronchioles lacked the smooth muscles. The neck of the terminal bud was constantly surrounded by flat and irregularly-shaped immature smooth muscle cells, representing an early event in the smooth muscle cell differentiation from mesenchymal cells. In the canalicular to saccular stages (E18.5 to birth), the terminals of bronchioles became saccular, thus forming prospective alveolar acini. At birth, the alveolar wall became thinner than before birth, and the individual smooth muscle cells in bronchioles were elongated like a tape. As to the blood vessel differentiation, various sized sinusoidal spaces indicating the primitive blood vessels were already present in the mesenchymal tissue at E11.5. The endothelial cells of these sinusoidal spaces were irregularly shaped and sometimes extended their processes into the lumen. The network of tubular vessels appeared from E14.5. These vessels had tapering ends as well as transluminal trabeculae, suggesting that capillary growth proceeds by both the sprouting and partitioning (i.e., intussusception) of vessels in the pseudoglandular stage.

DOI： 10.1679/aohc.65.55

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：AMER DIABETES ASSOC  

DOI： 10.2337/db19-698-P

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Language：Japanese   Publisher：(一社)日本糖尿病学会  

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Language：Japanese   Publisher：日本先進糖尿病治療研究会  

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Language：Japanese   Publisher：日本先進糖尿病治療研究会  

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Language：Japanese   Publisher：日本先進糖尿病治療研究会  

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：AMER DIABETES ASSOC  

DOI： 10.2337/db18-637-P

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DOI： 10.2337/db18-444-P

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Language：Japanese   Publisher：(一社)日本動脈硬化学会  

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Language：Japanese   Publisher：(有)科学評論社  

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Language：Japanese   Publisher：(株)医学書院  

＜POINT＞日本人糖尿病へのエビデンス構築と糖尿病発症予防の重要性.従来の大規模臨床研究と新しいビッグデータを活用した研究への期待.(著者抄録)

DOI： 10.11477/mf.1415200817

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：AMER DIABETES ASSOC  

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動脈硬化性心血管疾患は、LDL低下治療だけではまだ完全に防止できず、その「残存リスク」への介入が今後の課題である。近年の疫学研究から、トリグリセライド(TG)もそのひとつであることが判明しており、特に非空腹時TG値と心血管疾患との関連が注目されている。高TG血症の背景のひとつにはインスリン抵抗性があるため、肥満の有無にかかわらず、将来、耐糖能異常の発症も危惧される。また、2型糖尿病患者では心血管疾患(大血管障害)予防のため、両病態の根底にあるインスリン抵抗性改善が重要と考えられる。(著者抄録)

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Other Link： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2015&ichushi_jid=J00990&link_issn=&doc_id=20160108140015&doc_link_id=%2Fdg3nigta%2F2015%2Fs12907%2F004%2F0424-0424%26dl%3D0&url=http%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fdg3nigta%2F2015%2Fs12907%2F004%2F0424-0424%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

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DOI： 10.11213/tonyobyo.56.535

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Language：English   Publishing type：Research paper, summary (international conference)   Publisher：JAPAN ENDOCRINE SOC  

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Publisher：新潟医学会  

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DOI： 10.11477/mf.2425100880

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