記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: This study aimed to examine the factors associated with cytomegalovirus (CMV) antigenemia and the time of onset of CMV antigenemia among patients with rheumatic diseases. METHODS: A single-center, retrospective, observational study was conducted in our institution from January 2009 to December 2017. This study included patients with rheumatic diseases who had at least one CMV antigen measurement. Multivariate analysis and receiver operating characteristic analysis was performed. RESULTS: A total of 249 patients underwent CMV antigenemia assay, and 84 (33.7%) patients tested positive. When the association between CMV antigenemia and possible associated factors was investigated, multivariate analysis showed that daily steroid dose increased the odds of having CMV [odds ratio 16.25, 95% confidence interval (CI), 5.360-49.253]. In this study, the cutoff value of daily steroid dose found in this study (0.45 mg/kg/day) was reasonable in clinical practice, and the area under the curve of the steroid dose was 0.838 [95% CI 0.781-0.882], which was the largest of the known indicators. Moreover, the median time from the start of immunosuppressive therapy to the onset of CMV antigenemia was 30 (interquartile range, 21-44) days, and most of the daily steroid users (85.7%) developed CMV antigenemia within 60 days. CONCLUSIONS: The daily steroid dose is the most important factor associated with CMV antigenemia. Therefore, monitoring and treatment strategies based on the steroid dose, especially in the initial 2 months, are important.

DOI： 10.1016/j.jiac.2022.07.004

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Each of the currently available (1→3)-β-D-glucan (BDG) measurement kits follows a different measurement method and cut-off value. Comparisons of diagnostic performance for invasive fungal infections (IFIs) are desirable. Additionally, ecological considerations are becoming increasingly important in the development of new measurement kits. METHODS: The plasma BDG levels in clinical samples were measured using the following currently available kits: the Fungitec G test MKII, the Fungitec G test ES, Fungitell, the β-Glucan test Wako, and the newly developed Wako kit (Wako-Eu). Wako-Eu uses a pre-treatment solution that conforms to European regulations for the registration, evaluation, authorisation, and restriction of chemicals. The values obtained for the samples using each kit were studied and compared. RESULTS: Of the 165 patients evaluated, 12 had IFIs, including pneumocystis pneumonia, aspergillosis, and candidiasis. BDG values obtained using the kits were moderately correlated with each other. Clinical diagnoses of the evaluated cases indicated that 21 false positives were diagnosed by at least one kit. The sensitivity of the Fungitell kit was relatively low, but those of the other four were over 90%. The specificity was above 90% for all kits. For positive predictive value, the Wako and the Wako-Eu methods were superior to the others owing to fewer false positive results. CONCLUSIONS: The newly developed Wako-Eu method, which considers ecological concerns, shows diagnostic performance equivalent to that of its predecessor. To improve the diagnostic accuracy of IFIs, it is necessary to interpret the results carefully, giving due consideration to the characteristics of each measurement kit.

DOI： 10.1371/journal.pone.0255172

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

An outbreak of serotype 19A Streptococcus pneumoniae occurred among the residents of a relief facility. Pneumonia developed in 5 of 99 residents (attack rate, 5.1%). We obtained pharyngeal specimens from non-onset residents, and S. pneumoniae was isolated from 6 individuals (6.4%), 5 of whom had serotype 19A.

DOI： 10.1017/ice.2021.328

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記述言語：日本語   出版者・発行元：(一社)日本感染症学会  

[目的]国内3種の(1→3)-β-D-グルカン(以下β-D-グルカン)測定試薬における測定結果と患者の臨床背景を比較し,深在性真菌症の診断における有用性および試薬間での測定結果の乖離,偽陽性の要因について評価する.[方法]新潟大学医歯学総合病院において2017年8月から2017年11月にかけてβ-D-グルカン検査が提出された患者を対象とし,測定残余血漿を用いて以下の3試薬について測定した.(1)ファンギテックGテストMKII「ニッスイ」(以下MKII法),(2)ファンギテックGテストES「ニッスイ」(以下ES法),(3)β-グルカンテストワコー(以下ワコー法).[成績]171患者,245検体が対象となった.深在性真菌症患者は疑診を含め7例であった.β-D-グルカン測定値は,同一検体間の比較でMKII法が最も高く,次いでES法,ワコー法の順であったが,互いに有意に相関していた.感度,特異度,陽性的中率,陰性的中率などの診断特性は各試薬によって異なっていた.MKII法で偽陽性を比較的多く認めたものの,深在性真菌症(疑診含む)診断におけるROC曲線下面積には有意差はなかった.いずれかの試薬による偽陽性を呈した14例について,階層型クラスター分析を用いて分類したところ,偽陽性のパターンに一定の傾向が認められた.[結論]各測定試薬によるβ-D-グルカン測定の結果は概ね相関しているが,測定値は大きく異なっており,異なる試薬同士の比較は困難である.深在性真菌症診断における差は小さいが,それぞれの試薬の診断特性を理解し使用するべきである.また試薬によって偽陽性の原因が異なる可能性が示唆された.(著者抄録)

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その他リンク： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2019&ichushi_jid=J00276&link_issn=&doc_id=20190821320003&doc_link_id=10.11150%2Fkansenshogakuzasshi.93.500&url=https%3A%2F%2Fdoi.org%2F10.11150%2Fkansenshogakuzasshi.93.500&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Mycobacterium avium complex lung disease (MAC-LD) can deteriorate rapidly to become fatal. Reported poor prognostic factors include radiographic findings, undernutrition, anemia and high inflammation test values. However, the association of these prognostic factors with the pathophysiology of the disease remains unknown. We aimed to clarify the pathophysiology of MAC-LD and develop a new biomarker that reflects the immune response to the disease. METHODS: We performed the cytokine panel analyses of serum from patients with MAC-LD and compared each cytokine level with clinically negative prognostic factors (radiographic disease type, body mass index, albumin, C-reactive protein and hemoglobin) and high-resolution CT scores. RESULTS: We analyzed 27 patients with MAC-LD, 6 with the fibrocavitary form and 21 with the nodular bronchiectatic form on high-resolution CT. Serum CXC motif ligand 10 (CXCL10) concentration was significantly elevated in patients with the fibrocavitary form (p = 0.008). CXCL10 levels correlated with body mass index (r = - 0.60, p = 0.0008), serum albumin concentration (r = - 0.45, p = 0.016) and high-resolution CT scores (r = 0.61, p = 0.0006). Among 14 patients initially untreated, antibiotic therapy was initiated for five during the study period. CXCL10 concentration was significantly higher in these patients (p = 0.046), and receiver operating characteristic analysis for CXCL10 concentration on treatment initiation produced an area under the curve of 0.844, with a sensitivity of 100%, specificity of 66.7%, and cut-off value of 366.5 pg/mL. CONCLUSION: We revealed cytokine profiles in patients with MAC-LD. Serum CXCL10 levels probably reflect the severity of MAC-LD. Our findings suggest that CXCL10 concentration may be a promising biomarker for managing treatment for patients with MAC disease of the lung.

DOI： 10.1186/s12879-019-3888-4

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記述言語：日本語   出版者・発行元：(一社)日本感染症学会  

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記述言語：日本語   出版者・発行元：(有)科学評論社  

J-GLOBAL

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開催年月日： 2022年

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開催年月日： 2022年

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開催年月日： 2022年

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開催年月日： 2021年

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開催年月日： 2019年3月

記述言語：日本語  

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