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Dive into the research topics where Junichi Yoshikawa is active.

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Featured researches published by Junichi Yoshikawa.


American Journal of Cardiology | 1989

Continuous aortic regurgitation in severely dysfunctional native hearts after heterotopic cardiac transplantation

Takashi Akasaka; D. A. Lythall; Alfred Cheng; Kiyoshi Yoshida; Junichi Yoshikawa; Andrew G. Mitchell; Magdi H. Yacoub

Doppler techniques were used to investigate the frequency and characteristics of aortic regurgitation (AR) in the severely deteriorated native heart after heterotopic cardiac transplantation. Ten patients were studied in whom the native left ventricular fractional shortening was less than 6%. AR was detected by Doppler in 6 patients. The AR was continuous throughout the cardiac cycle in 3 patients, continuous when present (but not occurring with every beat) in 2 patients and present throughout diastole and continued into midsystole in the remaining patient. AR was associated with abnormalities of aortic valve opening (either its complete or intermittent absence) and with poor forward flow and even reversed flow through the native heart. It is postulated that AR in this group mainly occurs as a result of abnormal locking of the aortic valve due to severely impaired left ventricular ejection. Abnormal left ventricular diastolic function and enlargement may also be contributory.


Archive | 2006

GENE POLYMORPHISMS USEFUL IN ANTICIPATING RESPONSES TO ß-BLOCKER DRUGS

Junichi Azuma; Yasushi Fujio; Shinpei Nonen; Tsuyoshi Fukuda; Akira Kitabatake; Hiroshi Okamoto; Junichi Yoshikawa; Minoru Yoshiyama; Yasuhiko Takemoto


Journal of the American College of Cardiology 37(2 Supplement A) | 2001

Effect of high-fat meal on coronary flow reserve in young healthy men; noninvasive assessment by transthoracic Doppler echocardiography with a high-frequency transducer

Takeshi Hozumi; Marc S. Eisenberg; Kenichi Sugioka; Aravind R. Kokkirala; Ali Fard; Hiroyuki Watanabe; Takashi Muro; Masakazu Teragaki; Kazuhide Takeuchi; Marco Di Tulio; Junichi Yoshikawa; Shunichi Homma


Archive | 2015

fibrinolytic, and coagulation factors Periodic acceleration: effects on vasoactive,

Marvin A. Sackner; Jose A. Adams; Jorge Bassuk; Dongmei Wu; Maria Grana; Paul Kurlansky; Arkady Uryash; Heng Wu; A Jose; Arterioscler Thromb; Vasc Biol; Junichi Yoshikawa; Masatoshi Fujita; Minoru Yoshiyama; Hisao Ogawa; Taishi Nakamura; Keiichiro Kataoka; Osamu Yasuda; Koichi Kaikita; Seigo Sugiyama; Yasukatsu Izumi; Yasuhiro Nakamura; Satoshi Araki; Shinsuke Hanatani; Junichi Matsubara; Taku Rokutanda; Yasuhiro Izumiya; Mitsutoshi Miura; Shota Fukuda; Kenei Shimada


Archive | 2012

Diastolic Heart Failure

Ryotaro Wake; Junichi Yoshikawa; Minoru Yoshiyama


Archive | 2010

exercise thallium-201 single-photon emission computed tomography measurements with transthoracic doppler echocardiography: comparison with Physiologic assessment of coronary artery stenosis by coronary flow reserve

Kumiko Hirata; Kazuhide Takeuchi; Junichi Yoshikawa; Masao Daimon; Hiroyuki Watanabe; Hiroyuki Yamagishi; Takashi Muro


Archive | 2007

Valvular Heart Disease: Tricuspid Valve

Takeshi Hozumi; Junichi Yoshikawa


Archive | 2003

Noninvasive Assessment of Myocardial Ischemia in the Left Ventricular Inferior Regions by Coronary Flow Reserve Measurement Using Transthoracic

Kotaro Tokai; Hiroyuki Watanabe; Kumiko Hirata; Ryo Otsuka; Takashi Muro; Hiroyuki Yamagishi; Minoru Yoshiyama; Takeshi Hozumi; Junichi Yoshikawa


Archive | 2001

Assessment of Left Ventricular Function by Real-Time 3-Dimensional Echocardiography Compared with Conventional

Shin Takuma; Takahiro Ota; Takashi Muro; Takeshi Hozumi; Robert R. Sciacca; Marco R. Di Tullio; David K. Blood; Junichi Yoshikawa; Shunichi Homma


Archive | 1996

Echocardiographic Measurement of Left Ventricular Volumes and Ejection Fraction Using a Multiplane Transesophageal Probe in Patients

Takeshi Hozumi; Junichi Yoshikawa; Kiyoshi Yoshida; Takashi Akasaka; Tsutomu Takagi; Atsushi Yamamuro

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