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

Ken Okumura, Hirofumi Yasue, Koshi Matsuyama, +4

Journal of the American College of Cardiology

MedicineIntracoronary InjectionPhysiologyCoronary Artery SpasmElectrophysiology +3

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, +2

The American Journal of Cardiology

Idiopathic Ventricular TachycardiaCardiomyopathyHeart FailureCardiac MuscleCardiovascular Disease +10

Effects of intracoronary injection of acetylcholine on coronary arterial diameter

Yutaka Horio, Hirofumi Yasue, Manabu Rokutanda, +5

The American Journal of Cardiology

Cardiovascular DiseaseAtherosclerosisIntracoronary InjectionPhysiologyMedicine +4

Magnesium deficiency detected by intravenous loading test in variant angina pectoris

Kazuo Gotō, Hirofumi Yasue, Ken Okumura, +4

The American Journal of Cardiology

Electrolyte DisorderCardiovascular DiseasePhysiologyMagnesium DeficiencyVariant Angina Pectoris +2

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

Hiromi Fujii, Hirofumi Yasue, Ken Okumura, +4

Journal of the American College of Cardiology

Arteriographic StudyCardiogenic ShockCardiovascular DiseaseMyocardial InfarctionVariant Angina +7

Suppression of exercise-induced angina by magnesium sulfate in patients with variant angina

Kiyotaka Kugiyama, Hirofumi Yasue, Ken Okumura, +7

Journal of the American College of Cardiology

Cardiovascular DiseaseExerciseVascular PharmacologyExercise PhysiologyPhysiology +8

Effect of H1receptor stimulation on coronary artery diameter in patients with variant angina: Comparison with effect of acetylcholine

Ken Okumura, Hirofumi Yasue, Koshi Matsuyama, +4

Journal of the American College of Cardiology

Cardiovascular DiseasePhysiologyCoronary Artery DiameterVariant AnginaNeurology +6

Effects of intracoronary injection of acetylcholine on coronary arterial hemodynamics and diameter

Yutaka Horio, Hirofumi Yasue, Ken Okumura, +4

The American Journal of Cardiology

Cardiovascular DiseaseMedicineIntracoronary InjectionPhysiologyCoronary Arterial Hemodynamics +6

Simultaneous multivessel coronary artery spasm demonstrated by quantitative analysis of thallium-201 single photon emission computed tomography

Kiyotaka Kugiyama, Hirofumi Yasue, Ken Okumura, +6

The American Journal of Cardiology

Vascular ImageCardiovascular DiseaseMedical ImagingCoronary UnitQuantitative Analysis +7

Increased plasma fibrinopeptide a levels during attacks induced by hyperventilation in patients with coronary vasospastic angina

Shuichi Oshima, Hisao Ogawa, Hirofumi Yasue, +3

Journal of the American College of Cardiology

Plasma FibrinopeptideThrombosisCardiovascular DiseaseAtherosclerosisPhysiology +8