Hidetaka Iida

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Matrix metalloproteinases (MMPs) are important for resorption of extracellular matrixes and may degrade the fibrous cap of an atherosclerotic plaque, thus contributing to coronary plaque rupture. Histologic studies have shown MMP expression in lesions of acute coronary syndrome. In this study, we evaluated the relation between plaque morphology as obtained(More)
OBJECTIVES The aim of this study was to evaluate how decreased plaque volume during percutaneous coronary intervention (PCI) affects coronary flow in patients with acute myocardial infarction (AMI). BACKGROUND Coronary flow after reperfusion therapy is a major determinant of clinical outcomes in patients with AMI. However, little is still known about the(More)
This study evaluated the effects of the temporary occlusion and aspiration device GuardWire on percutaneous coronary intervention for acute myocardial infarction. This device brought about a significant reduction in the no-reflow phenomenon and improvement in ST resolution compared with conventional percutaneous coronary intervention.
Hepatocyte growth factor (HGF) is a well-known powerful proliferative factor of vascular endothelial cells and it has been reported that plasma HGF concentrations are increased in acute myocardial infarction (AMI), although the mechanisms are not yet well delineated. Serum HGF levels and C-reactive protein (CRP) were measured in 22 patients with unstable(More)
Hypertension is a major risk factor for cardiovascular and cerebrovascular events, and most patients with hypertension are administered antihypertensive drugs. However, not all patients achieve normal blood pressure levels. The new angiotensin receptor blocker azilsartan (Takeda Pharmaceutical Company Limited, Osaka, Japan) has been reported to have a(More)
BACKGROUND Microvascular damage immediately after reperfusion therapy is an independent predictor of left ventricular function in patients with acute myocardial infarction (AMI). However, its recovery may vary among individuals and the relationship between convalescent stage microvasculature and late myocardial morphologic change is unclear. METHODS AND(More)
Antecedent hypertension adversely affects mortality and heart failure after myocardial infarction (MI). In addition, accelerated ventricular remodeling is a contributor to the increased mortality observed after MI. The purpose of this study was to assess the relationship of antecedent hypertension to ventricular remodeling after MI. Ninety-four patients(More)
Carbon dioxide digital subtraction angiography (CO(2)DSA) is a useful and safe alternative for patients with renal dysfunction or allergies to iodinated contrast medium. However, CO(2)DSA image quality is worse than that of angiography with iodinated contrast medium, primarily because of movement during imaging and stent struts. In angioplasty of arteries(More)
Acute myocardial infarction (AMI) is a social burden. However, being able to predict AMI could lead to prevention. A previous study showed only the relation between the lunar phase and the occurrence of AMI, but the period it takes for the moon to orbit around the earth and the period of the lunar phase differ. This study investigated the effect of the(More)