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Featured researches published by Youichi Shimizu.


Japanese Circulation Journal-english Edition | 1985

An Unusual Case with Partial Success of Second Percutaneous Transluminal Coronary Angioplasty (PTCA) on Restenosed Lesion : REPORT OF A SATELITE SYMPOSIUM OF THE JAPANESE CIRCULATION SOCIETY ON THE INITIAL JAPANESE EXPERIENCE OF PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY

Toshihide Tanaka; Youichi Shimizu

An unusual case from our experience of 31 cases with PTCA is presented. In this 59-year-old male patient, partial success of a second PTCA on the restenosed lesion caused almost complete restoration of the coronary artery diameter to its previous size. However, a pressure gradient was still present, in contrast to the initial study where the pressure gradient had decreased satisfactorily. This type of observation is important and needs to be further evaluated.


Japanese Circulation Journal-english Edition | 1990

Restenosis after percutaneous transluminal coronary angioplasty. A histopathological study using autopsied hearts.

Shin-ichiro Morimoto; Yasushi Mizuno; Shinya Hiramitsu; Kenji Yamada; Natsuko Kubo; Masanori Nomura; Tetsu Yamaguchi; Hidemasa Kitazume; Kazuhisa Kodama; Hiroyuki Kurogane; Youichi Shimizu; Kiyoichi Mizuno; Masao Chino; Sachiro Watanabe; Tetsuro Ueda; Mitsuyasu Toyoda; Morie Sekiguchi


Circulation | 2007

Incidence of side-effects of ticlopidine after sirolimus-eluting stent implantation.

Kenichi Fukushima; Yoshio Kobayashi; Tomonobu Okuno; Yoshitake Nakamura; Masayoshi Sakakibara; Takashi Nakayama; Nakabumi Kuroda; Akira Miyazaki; Youichi Shimizu; Issei Komuro


Japanese Circulation Journal-english Edition | 1987

Mechanism of luminal enlargement in PTCA and restenosis. A histopathological study of necropsied coronary arteries collected from various centers in Japan.

Shin-ichiro Morimoto; Morie Sekiguchi; Masahiro Endo; Toshinobu Horie; Hidemasa Kitazume; Kazuhisa Kodama; Tohru Yamaguchi; Minoru Ohno; Hiroyuki Kurogane; Motohiro Fujino; Youichi Shimizu; Kyuichi Mizuno; Masao Chino


Circulation | 1984

Clinical experience of percutaneous transluminal coronary angioplasty.

Youichi Shimizu; Toshihide Tanaka; Yasuo Takayama; Yukiyoshi Ito; Mitsuki Abe; Mitsukazu Matsuda; Takayuki Sakakibara; Yoshio Obunai


Japanese Circulation Journal-english Edition | 1984

CLINICAL EXPERIENCE OF PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY

Youichi Shimizu; Toshihide Tanaka; Yasuo Takayama; Yukiyoshi Ito; Mitsuki Abe; Mitsukazu Matsuda; Takayuki Sakakibara; Yoshio Obunai


Japanese Circulation Journal-english Edition | 2007

Incidence of Side-Effects of Ticlopidine After Sirolimus-Eluting Stent Implantation : Retrospective Analysis From Three Hospitals

Kenichi Fukushima; Yoshio Kobayashi; Tomonobu Okuno; Yoshitake Nakamura; Masayoshi Sakakibara; Takashi Nakayama; Nakabumi Kuroda; Akira Miyazaki; Youichi Shimizu; Issei Komuro


Japanese Circulation Journal-english Edition | 1986

-302-SURGICAL TREATMENT OF ISCHEMIC HEART DISEASE : PTCA AND A-C BYPASS (CABG)

Youichi Shimizu; Yasuo Takayama; Toshihide Tanaka; Takakazu Hayashi; Mitsuki Abe; Mitsukazu Matsuda; Takao Ida; Takayuki Sakakibara; Yoshio Obunai


Japanese Circulation Journal-english Edition | 1985

LONG-TERM RESULTS WITH PTCA : ESPECIALLY IN CASES OF RECURRENCE : Ischemic Heart Disease (II) : FREE COMMUNICATIONS (II) : PROCEEDINGS OF THE 49th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY

Youichi Shimizu; Toshihide Tanaka; Yasuo Takayama; NOBUHlRO Takao; Takakazu Hayashi; YUKlYOSHI Ito; Mitsuki Abe; Mitsukazu Matsuda; Takao Ida; Takayuki Sakakibara; Yoshio Obunai


Japanese Circulation Journal-english Edition | 1985

A japanese survey on first attempts of percutaneous transluminal coronary angioplasty.

Morie Sekiguchi; Toshihiko Ban; Masao Chino; Masahiro Endo; Kiyoshi Fujimoto; Koichi Higa; Motokazu Hori; Hirofumi Kanbara; Kazuhisa Kodama; Masamichi Nakajima; Tadayuki Shimakura; Youichi Shimizu; Yoshimasa Yabe; Morihiro Yoshida

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Yasuo Takayama

Kansai Medical University

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Mitsukazu Matsuda

Memorial Hospital of South Bend

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Takao Ida

Nippon Medical School

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