R
Ryuichi Kai
Researcher at Shinshu University
Publications - 6
Citations - 1656
Ryuichi Kai is an academic researcher from Shinshu University. The author has contributed to research in topics: Heart disease & Aneurysm. The author has an hindex of 5, co-authored 6 publications receiving 1587 citations.
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Journal ArticleDOI
Transient left ventricular apical ballooning without coronary artery stenosis: a novel heart syndrome mimicking acute myocardial infarction
Kazufumi Tsuchihashi,Kenji Ueshima,Tatsuro Uchida,Nobuhiro Ohmura,Kazuo Kimura,Mafumi Owa,Minoru Yoshiyama,Shunichi Miyazaki,Kazuo Haze,Hisao Ogawa,Takashi Honda,Mamoru Hase,Ryuichi Kai,Isao Morii +13 more
TL;DR: A novel cardiomyopathy with transient apical ballooning, but without coronary artery stenosis, that mimics acute myocardial infarction was reported, and one died suddenly during follow-up.
Journal ArticleDOI
Iodine-123 metaiodobenzylguanidine scintigraphic analysis of myocardial sympathetic innervation in patients with AL (primary) amyloidosis.
Minoru Hongo,Kazuhisa Urushibata,Ryuichi Kai,Wataru Takahashi,Tomonobu Koizumi,Shinichiroh Uchikawa,Hiroshi Imamura,Osamu Kinoshita,Mafumi Owa,Tadashige Fujii +9 more
TL;DR: It is demonstrated that myocardial uptake and turnover of MIBG in patients with AL amyloidosis are heterogeneous and dependent on the presence or absence of congestive heart failure and cardiac autonomic dysfunction.
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Trends over the last 20 years in the clinical background of young Japanese patients with coronary artery disease.
Hiroshi Imamura,Atsushi Izawa,Ryuichi Kai,Osamu Yokoseki,Shin-ichiro Uchikawa,Yoshikazu Yazaki,Osamu Kinoshita,Minoru Hongo,Keishi Kubo +8 more
TL;DR: The results suggest that the number of young patients with CAD because of multiple risk factors has been increasing, and most of them have been overweight since childhood, and for primary prevention it is essential to control cardiovascular risk factors in overweight children.
Journal ArticleDOI
Temporary inferior vena cava filter for deep vein thrombosis and acute pulmonary thromboembolism: effectiveness and indication.
Ryuichi Kai,Hiroshi Imamura,Setuo Kumazaki,Yuichi Kamiyoshi,Megumi Koshikawa,Takeshi Hanaoka,Kaoru Kogashi,Jun Koyama,Hiroshi Tsutsui,Yoshikazu Yazaki,Osamu Kinoshita,Uichi Ikeda +11 more
TL;DR: The temporary IVC-F can be used safely in patients with venous thromboembolism and is efficacious in preventing recurrence of PTE.
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Large saccular aneurysm in a coronary arterial fistula--a case report.
Osamu Kinoshita,Fumiaki Ogiwara,Takeshi Hanaoka,Takeshi Tomita,Osamu Yokozeki,Ryuichi Kai,Shin-ichirou Uchikawa,Kaoru Kogashi,Hiroshi Tsutsui,Hiroshi Imamura,Yoshikazu Yazaki,Uichi Ikeda,Minoru Hongo,Keishi Kubo +13 more
TL;DR: The authors present a case of a large saccular aneurysm in a coronary artery fistula originating from the proximal left anterior descending coronary artery, draining into the main trunk of the pulmonary artery.