Yutaka Hirano

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This is to demonstrate a new 2D-ultrasonographic technique which enabled clear resolution of deformed valves, visualization of venous reflux and quantitation of valve incompetence. In a 59-year-old Japanese female patient, ultrasonography was done using Aplio, Toshiba Medical Systems Co., Japan, equipped with 8 MHz linear probe capable of differential(More)
BACKGROUND Diuretics are the most prescribed drug in heart failure (HF) patients. However, clinical evidence about their long-term effects is lacking. The purpose of this study was to compare the therapeutic effects of furosemide and azosemide, a short- and long-acting loop diuretic, respectively, in patients with chronic heart failure (CHF). METHODS AND(More)
Calcific aortic valve disease (CAVD) is the most common etiology of acquired valvular heart disease, and hypertension is a principal underlying disease. The Japanese Aortic Stenosis Study (JASS) Retrospective Analysis is a retrospective observational study to clarify the prognostic factors for progression of CAVD in Japanese. Data from 556 subjects who met(More)
A 74-year-old man was admitted to our hospital complaining of dyspnea. Parasternal transthoracic echocardiography showed a quadricuspid pulmonary valve above the aortic valve and a hypoplastic accessory cusp between the right and left cusps of the pulmonary valve. The pulmonary valve ring diameter was normal (26 mm) but the transvalvular peak velocity was(More)
BACKGROUND Many patients with acute myocardial infarction will still die after admission. Recent trends in hospital mortality were analyzed to identify aspects that need improvement. METHODS AND RESULTS A total of 1,247 patients admitted to Kinki University School of Medicine within 24 h of the onset of infarction were analyzed between 1975 and 2001. The(More)
BACKGROUND Although the favorable effects of beta-blockers in the treatment of myocardial infarction (MI) have been repeatedly demonstrated in Western countries, administration of this drug has been limited in Japan. METHODS AND RESULTS The study group of 1,896 patients with MI was retrospectively divided into 1,029 patients treated by beta-blockers and(More)
BACKGROUND In Western countries, many studies have shown that among healthy people moderate drinkers have a lower incidence of cardiovascular events than abstainers and heavy drinkers. However, it is not clear whether this is true in patients with a healed myocardial infarction (MI). METHODS AND RESULTS In the present study cardiovascular events were(More)
OBJECTIVES Cardiac catheterization is increasingly used for the diagnosis or treatment of coronary artery disease. Previous studies that revealed the incidence of complications such as arteriovenous fistula and pseudoaneurysm were based on retrospective analysis of cohorts referred to vascular surgery. This study was designed to determine the incidence of(More)
INTRODUCTION Primary adenocarcinoma of the 4th portion of the duodenum is reported less frequently than those other portions of the duodenum. Therefore, few reports discuss the diagnosis and treatment of this malignancy. PRESENTATION OF CASE A 54-year-old woman was admitted to our hospital with a complaint of nausea and vomiting after a meal. Upper(More)