Faculty Profiles - HANZAWA Kazuhiko

MISC - HANZAWA Kazuhiko

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Frequency analysis of high-intensity transient signals of transcranial Doppler ultrasound in patients supported with a left ventricular assist device

Koichi Sato, Kazuhiko Hanzawa, Takeshi Okamoto, Shunei Kyo, Jun Ichi Hayashi

Journal of Artificial Organs 11 ( 4 ) 201 - 203 2008.12

症状と検査--無症状であっても血栓の中枢側への進展に要注意! (特集どう予防? どう治療? 静脈血栓塞栓症の最新情報)

榛沢和彦

月刊ナーシング 28 ( 13 ) 119 - 123 2008.11

静脈血栓塞栓症(VTE)の基礎知識--静脈に血栓のできる原因と機序 (特集どう予防? どう治療? 静脈血栓塞栓症の最新情報)

榛沢和彦

月刊ナーシング 28 ( 13 ) 114 - 118 2008.11

治療--経皮的心肺補助装置の使用,薬物療法の実際 (特集どう予防? どう治療? 静脈血栓塞栓症の最新情報)

榛沢和彦

月刊ナーシング 28 ( 13 ) 124 - 127 2008.11

Fundamental Research for Evaluation The Deep Vein Thrombosis Risk, by Using Epibiosis Vein Imaging Through Near-Infrared Ray

NAKASHIMA Suguru, MIYAZAWA Takumi, SUZUKI Kenta, SUZUKI Hitoshi, HANZAWA Kazuhiko, FUKUMOTO Ichiro

IEICE technical report 108 ( 219 ) 115 - 118 2008.9

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

By the Niigata Chuetsu earthquake generated in 2004, 10 Pulmonary embolism (PE) was reported, and 3 people of those died. In addition, Deep vein thrombosis (DVT) was accepted to 30.4% of the person of object in investigation performed within two weeks when earthquake outbreak. PE is caused primarily by DVT. Because of these factors, necessity of the early detection of the DVT rises. When DVT occurred, venous blood obstructed a flow concentrates on epibiosis vein. Therefore burdens to the vein increase, and the expansion of the blood vessel is predicted. Near-Infrared ray (wavelength: 780nm) which it is easy to penetrate skin, and absorbed by deoxyhemoglobin. Therefore We built the epibiosis vein imaging device which We used Near-Infrared ray (wavelength: 780nm) and examined the use to Deep vein thrombosis risk evaluation.

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Other Link： http://search.jamas.or.jp/link/ui/2008376595

Ultrasonographic evaluations of deep venous thrombosis after the great earthguake

HANZAWA Kazuhiko

Neurosonology 21 ( 1 ) 4 - 5 2008.7

DP-057-8 中越沖地震被災者の深部静脈血栓症(DVT)頻度(第108回日本外科学会定期学術集会)

榛沢和彦, 岡本竹司, 佐藤浩一, 林純一

日本外科学会雑誌 109 ( 2 ) 459 - 459 2008.4

Examination of ultrasonography of the leg vein on elderly patients

IKURA Maiko, SOGAWA Yuichirou, SEZAKI Manabu, FUJIKURA Tomoko, FURUKAWA Toshiki, YOSHIMINE Fumitoshi, HANZAWA Kazuhiko

35 S678 2008.4

Venous ultrasound in residents in Niigataken Chuetsu-Oki earthquake : Acute and chronic phase

HANZAWA Kazuhiko, OKAMOTO Takeshi, SATO Kohichi, HAYASHI Jun-ichi, IKURA Maiko, NAKAJIMA Takashi

35 S677 2008.4

新潟県中越地震における肺塞栓症とDVT (特集深部静脈血栓症--DVT)

榛沢和彦

メディカル朝日 37 ( 4 ) 58 - 61 2008.4

Lower extremity venous ultrasound

HANZAWA Kazuhiko

Japanese Journal of Thrombosis and Hemostasis 19 ( 1 ) 39 - 44 2008.2

15 遠位弓部大動脈瘤に対して開窓つきステントグラフトを内挿した2例(一般演題,第264回新潟外科集談会)

武内愛, 井上真, 岡本竹司, 竹久保賢, 佐藤浩一, 名村理, 榛沢和彦, 林純一

新潟医学会雑誌 122 ( 2 ) 114 - 114 2008.2

The Risk of Deep Vein Thrombosis of the Lower Extremities in Patients with Chronic Respiratory Disorders, based on the Results of Ultrasonography Screening

SOGAWA Yuichiro, YOSHIMINE Fumitoshi, HANZAWA Kazuhiko

The Japanese Journal of Rehabilitation Medicine 45 ( 1 ) 40 - 45 2008.1

Language：Japanese Publisher：The Japanese Association of Rehabilitation Medicine

We screened patients with chronic respiratory disorders for deep vein thrombosis (DVT) of the lower extremities using ultrasonography. These patients require pulmonary rehabilitation because of their physical disabilities and the reduction in their activities of daily living (ADL). The average soleus vein diameter, which is the reported source of most DVTs, was 6.1±1.5 mm in the control group, 6.8±2.1 mm in the home oxygen therapy (HOT) patients, and 7.0±1.6 mm in the non-HOT patients. The soleus vein diameters in the HOT and non-HOT patients were significantly greater than in the control group (<i>p</i>=0.003). The prevalence of calf DVTs in the HOT patients was significantly higher than in the non-HOT patients (14.3 % vs. 2.0 %, <i>p</i>=0.027). Therefore, patients with chronic respiratory disorders are at greater risks of developing DVT. Furthermore, it appears that not only the deterioration in ADL but also the presence of respiratory disorders and a hypoxic state may influence the onset of DVT in HOT patients. Chronic respiratory disorder is thought to be one of the risk factors for DVT. Therefore, preventive measures, such as ultrasonographic screening examinations, daily living guidance, and physical therapy, are important for patients with chronic respiratory disorders.

DOI： 10.2490/jjrmc.45.40

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Other Link： http://search.jamas.or.jp/link/ui/2008109348

長期間左内頸CVカテーテル留置により発生し,右心房直上まで及んだ巨大血栓に対して大静脈フィルターを用い,救命し得た1例

岡本竹司, 榛澤和彦, 佐藤浩一, 林純一, 瀧澤淳, 桃井明仁, 下田傑, 布施一郎

新潟医学会雑誌 122 ( 5 ) 288 - 288 2008