BACKGROUND Dilated coronary arteries, coronary blood flow, and the paucity of coronary atherosclerosis have not been studied in cyanotic congenital heart disease. METHODS Coronary arteriograms were interpreted in 59 cyanotic adults, and dilated coronaries were examined histologically in 6. Coronary blood flow was determined with N-13 ammonia positron emission tomography in 14 Eisenmenger synd...

Introduction: In patients with cardiac artery disease, a myocardial perfusion scan, which is a non-invasive method, is utilized. This study is conducted to develop an advantageous software applicable to quantitative myocardial SPECT perfusion. Material and Methods: Each cross-section of the left ventricle was segmented by applying a fuzzy clustering method. After obtaining the myocardial skelet...

out coronary disease. Cathet Cardiovasc Diagn 3: 47, 1977 14. Schnaar RL, Sparks HV: Response of large and small coronary arteries to nitroglycerin, NaNO^, and adenosine. Am J Physiol 22: 223. 1972 15. Harder DR, Belardinelli L, Sperelakis N, Rubio R, Berne RM: Differential effects of adenosine and nitroglycerin on the action potentials of large and small coronary arteries. Circ Res 44: 176, 19...

Granulomatosis with polyangiitis is a systemic disease resulting in necrotizing vasculitis of small- and medium-sized vessels. Cardiac involvement is rare and when present usually manifests with pericarditis and coronary artery vasculitis. We report here a case of granulomatosis with polyangiitis involving the native coronary arteries, bypass graft, and pericardium with interesting imaging find...

INTRODUCTION: PNonspecific aortoarteritis is a rare autoimmune disease with the involvement and narrowing of aorta its branches leading to ischemia respective arterial region. In territory Russian Federation, most common manifestation Takayasu nonspecific lesion aortic arch, which in cases leads development so called bald arch syndrome. response hypoxia, intersystemic collaterals are formed thr...

128 human hearts including 70 males and 58 females in all age groups were used for the present study. Coronary arteries dissected out from hearts. The luminal diameter was studied four major coronary arteries, namely, right artery (RCA), left (LCA), anterior descending (LAD) circumflex (LCX) both sexes. histological sections stained with H & E stain measured help of ocular micrometer. Among...

background one of the most important causes of mortality in developed and developing countries is coronary artery disease. coronary artery disease (cad) may develop by deposition of lipid, fibrous or calcified debris on the surface of the coronary artery lumen. fibrous plaque and calcified plaque may cause substantial stenosis of coronary arteries leading to ischemia of heart muscle while lipid...

Coronary Artery Disease (CAD) is a leading type of heart disease in the world caused by the gradual build-up of plaque on the walls of the arteries. Due to CAD’s high incidence rate and mortality, it is very harmful to human health. CAD can develop slowly and silently over years without any symptoms. Early diagnose of CAD is one of the most important medical research areas. Diastolic murmurs th...