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Publications (4)11.99 Total impact

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    ABSTRACT: Patients with pharyngeal pain are frequently encountered in the department of otorhinolaryngology. The pharyngeal pain is usually caused by an inflammation or a malignant disease. In some cases, anginal pain radiates to the pharynx. However, patients with angina pectoris who suffer from pharyngeal pain without chest pain are believed to be very rare. The patient was a 70-year-old man whose chief complaint was only pharyngeal pain on exertion. The pharyngeal pain was similar to acute pharyngitis with burning pain. Upon cardiac catheterization, no abnormality was found in the right coronary artery or in the circumflex artery, but 99% stenosis was found in the middle portion of the left anterior descending artery. There was no collateral circulation to the left anterior descending artery. Thus, percutaneous coronary intervention was performed, and the pharyngeal pain vanished.
    No preview · Article · May 2008 · Angiology

  • No preview · Article · Apr 2008 · International journal of cardiology
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    ABSTRACT: Intravascular ultrasound (IVUS) has been used for assessment of the coronary arteries. However, few IVUS studies have been reported on the aorta. To assess the presence of atherosclerotic disease in the aorta by the use of IVUS, 29 patients with heart disease (24 men and 5 women; mean age, 61+/-11 years) including ischemic heart disease (n=21) and valvular disease or dilated cardiomyopathy (n=8) were enrolled in the study. An IVUS catheter was inserted through the femoral artery, and IVUS images were obtained in the descending aorta (DA) at the level of the pulmonary artery bifurcation, and in the proximal and distal regions of the abdominal aorta (AA) at the level of the renal artery bifurcation. Percent plaque area (%PA) was calculated as vessel cross-sectional area surrounded by media minus lumen cross-sectional area divided by vessel cross-sectional area. %PAs differed significantly between the three aortic levels: DA, 14.9+/-5.5%; proximal AA, 19.0+/-6.9%; and distal AA, 28.3+/-9.7% (p<0.05). However, PA did not differ significantly between the three levels (DA, 94.7+/-38.0 mm2; proximal AA, 90.9+/-35.0 mm2; distal AA, 79.7+/-32.3 mm2). %PA and PA in the DA and proximal AA correlated with age (r=0.39-0.46, p<0.05), but not with coronary angiography findings or multiple risk factors. The aortic plaque is clearly observed by IVUS. The plaque is diffuse at the 3 levels, had little relationship with risk factor of arteriosclerosis or coronary artery disease, and aging affected the increase of plaque.
    No preview · Article · Jan 2008 · International journal of cardiology
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    ABSTRACT: Heart diseases are responsible for death in hemodialysis patients. The aim of this study was to determine whether we can assess the degree of calcification of the heart and great vessels in hemodialysis patients by non-gated conventional computed tomography (CT) without contrast media. Thirty patients were included in the present study. The hemodialysis group comprised 15 patients and the age-matched control group comprised 15 patients without hemodialysis or cardiac diseases who underwent CT scanning. Axial cross-sectional images were taken from the aortic arch to the diaphragm to detect calcification of the aorta and coronary arteries. Eleven patients in the hemodialysis group showed calcification in 1.9 +/- 1.4 coronary vessels, a frequency significantly greater than that of the 0.3 +/- 0.2 coronary vessels in the control group (p < 0.01). Fourteen patients in the hemodialysis group showed calcification of the aorta with a mean score 9.7 +/- 7.2, significantly greater than mean score in the control group (3.5 +/- 2.2; p < 0.01). These results suggest that we can assess an increase in the incidence of calcification of the coronary arteries and the aorta by conventional CT scanning without contrast media in patients undergoing hemodialysis.
    No preview · Article · Feb 2007 · Renal Failure