Yukihiro Kuwada

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The myocardium of the left ventricular wall is not homogeneous, but demonstrates transmural heterogeneity in myocardial blood flow, myocardial metabolism, and contraction and relaxation dynamics. Reimer and colleagues recognized that irreversible injury of the ischemic myocardium develops as a transmural wavefront, occurring first in the subendocardial(More)
BACKGROUND Coronary artery spasm plays an important role in the pathogenesis of vasospastic angina, and contributes to the development of several acute coronary syndromes. Endothelial nitric oxide synthase (ecNOS) catalyzes the synthesis of nitric oxide, which regulates vascular tone, and may be related to coronary vasospasm. The present study investigated(More)
OBJECTIVES Anthracycline cardiotoxicity is known to occur from the subendocardial side of the left ventricular wall. Recent advances of tissue Doppler echocardiography may allow the evaluation of anthracycline cardiotoxicity by dividing the left ventricular wall into the subendocardial half and subepicardial half. The present study assessed the feasibility(More)
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