نتایج جستجو برای: coronary artery anatomy
تعداد نتایج: 394722 فیلتر نتایج به سال:
Introduction: Reciprocal changes are ST depression ≥1 mm in electrocardiogram of the patients with acute myocardial infarction in the reciprocal leads. This question that these changes are merely secondary to ST elevation in infarction area or that they are truly subendocardial ischemia secondary to involvement of coronary artery that perfuse that area is not clearly defined. Methods and Materi...
The presence of a single coronary artery is a rare congenital anomaly; such patients often present with severe myocardial ischemia. We experienced the case of a 13-year-old girl with the right coronary artery originating from the left circumflex artery. She visited our Emergency Department owing to severe chest pain; her cardiac enzyme levels were elevated, but her initial electrocardiogram (EC...
background the identification of the dorsal sector of the liver and its detailed vascular anatomy is of primary importance for surgical practice and segmental transcatheter arterial chemoembolization. objectives this study aimed to investigate the feeding arteries of tumors in dorsal sector of the liver. patients and methods computed tomography (ct) and digital subtraction angiography (dsa) ima...
abstract background: several case studies have described the use of the superficial inferior epigastric artery (siea) flap as a pedicled flap for reconstruction of upper and lower ex tremities, or a free fasciocutaneous flap when a large amount of skin coverage is required for hemifacial atrophy, breast or head and neck reconstruction. apparently, the anatomical findings of previous studies are...
Congenitally corrected transposition of the great arteries is an unusual cardiac malformation with discordant atrioventricular and ventriculoarterial alignments. Because knowledge of the coronary artery anatomy is a prerequisite for successful repair of this cardiac anomaly, selective coronary arteriography was performed in 13 children (4 male and 9 female; age range 18 months to 16 years) and ...
background: according to the angiographic findings, 3%-8% of atherosclerotic coronary artery patients suffer from coronary artery ectasia (cae). we conducted this study to estimate the prevalence of cae among patients who underwent angiography and compared this group with those patients without cae and atherosclerosis in terms of common coronary heart disease (chd) risk factors. methods : this ...
Left main coronary artery (LMCA) disease remains an important risk factor for increased mortality and morbidity at all stages of diagnosis and treatment of coronary artery disease. Left main stem pathology is often silent, with unpredictable presentation: as such it poses diagnostic and management challenges. This article reviews the anatomy, epidemiology and diagnosis of left main stem disease...
Background The CE-MARC study was the largest prospective evaluation of the diagnostic accuracy of cardiovascular magnetic resonance (CMR) in coronary artery disease (CAD), demonstrating its superiority over single-photon emission computed tomography [1]. The trial adopted a multi-parametric protocol assessing ventricular function, myocardial perfusion, viability (with late gadolinium enhancemen...
The main cause of the Bland-White-Garland (BWG) syndrome is usually an anomalous origin of the left coronary artery, however, the right coronary artery can be affected as well. We report on the surgical treatment of an adult type BWG syndrome in a 59-year-old male patient. The reason for angiography was anginal pain which occurred 7 years prior to the operation. At that time patient did not agr...
The ideal surgical approach is unclear in adult patients with coarctation of the aorta that is associated with other cardiovascular pathologies that require intervention. Standard median sternotomy allows simultaneous, coronary revascularization surgery, valve replacement and repair of aortic coarctation. However the collateral circulation and the anatomy of the mammary arteries must be determi...
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