Koshi Matsuyama

Sensitivity and specificity of intracoronary injection of acetylcholine for the induction of coronary artery spasm

Ken Okumura, Hirofumi Yasue, Koshi Matsuyama et al. · Journal of the American College of Cardiology · 1988 · 297 citations

Medicine, Intracoronary Injection, Physiology +5

Entrainment of idiopathic ventricular tachycardia of left ventricular origin with evidence for reentry with an area of slow conduction and effect of verapamil

Ken Okumura, Koshi Matsuyama, Hiroo Miyagi et al. · The American Journal of Cardiology · 1988 · 137 citations

Idiopathic Ventricular Tachycardia, Cardiomyopathy, Heart Failure +12

Effects of intracoronary injection of acetylcholine on coronary arterial diameter

Yutaka Horio, Hirofumi Yasue, Manabu Rokutanda et al. · The American Journal of Cardiology · 1986 · 97 citations

Cardiovascular Disease, Atherosclerosis, Intracoronary Injection +6

Magnesium deficiency detected by intravenous loading test in variant angina pectoris

Kazuo Gotō, Hirofumi Yasue, Ken Okumura et al. · The American Journal of Cardiology · 1990 · 88 citations

Electrolyte Disorder, Cardiovascular Disease, Physiology +4

Hyperventilation-induced simultaneous multivessel coronary spasm in patients with variant angina: An echocardiographic and arteriographic study

Hiromi Fujii, Hirofumi Yasue, Ken Okumura et al. · Journal of the American College of Cardiology · 1988 · 82 citations

Arteriographic Study, Cardiogenic Shock, Cardiovascular Disease +9