نتایج جستجو برای: coronary vessels
تعداد نتایج: 246534 فیلتر نتایج به سال:
Currently, there are many types of classification of coronary circulation. The first type was introduced in 1904 by Banchi. Hettler provides very detailed criteria for the type classification based on the course of the anterior and posterior interventricular branches. Hettler defined the following types: left coronary artery dominance, right coronary artery dominance, and co-dominant. The objec...
BACKGROUND Coronary artery anomalies are evaluated by using catheter-based angiography. Multidetector row-computed tomography (MDCT) is a new noninvasive imaging technique that has excellent spatial resolution for detecting the origin and course of a coronary anomalous vessel. OBJECTIVE To determine the sensitivity of multidetector computed tomography in patients who had coronary artery anoma...
We present a case of a rarely seen anomalous circumflex (Cx) artery originating from the proximal right coronary artery. This was an incidental finding during a diagnostic coronary angiogram performed to investigate a patient with acute coronary syndrome. Surgically significant disease was present in four left-sided vessels. The patient underwent coronary artery bypass grafts using left interna...
It has been generally held in the past that the innervation of the coronary vessels of the mammal is peculiar with respect to the systemic blood vessels in that the parasympathetics, the vagi, were considered to be coronary vasoconstrictors and the sympathetic nerves, primarily coronary vasodilators. The evidence for this comes largely from work reported by Wiggers (l), Anrep and Segall (Z), Ho...
Coronary artery disease causes acute myocardial infarction and heart failure. Identifying coronary vascular progenitors and their developmental program could inspire novel regenerative treatments for cardiac diseases. The developmental origins of the coronary vessels have been shrouded in mystery and debated for several decades. Recent identification of progenitors for coronary vessels within t...
BACKGROUND Complete revascularization after coronary artery bypass surgery is a logical goal and improves symptomatic outcome and survival. However, the impact of complete revascularization in patients with three-vessel coronary disease with varying severities of angina and left ventricular dysfunction has not been clearly defined. METHODS AND RESULTS The study was performed as a retrospectiv...
Background and purpose: Nowadays cardiovascular developments in pumping of heart-lung and improvements in anesthesia care, including intubation, have made early surgical intervention possible to correct life-threatening congenital anatomic abnormalities in patients of lower ages. This study was performed to evaluate the coronary artery patterns in neonates with transposition of the great arteri...
Survey of anatomic variations of coronary arteries is the most fundamental of researches in the field of these vessels. For performing this survey, coronary arteries (CA'S) of 463 human heart cases (gathered from three different surces: 1) Legal medicine center corpses, 2) Cadavers of dissection rooms in medical schools, and 3) CA'S angiographic films from hospital centers) were studied. After ...
Genome-Wide Association Studies (GWAS) have identified genetic variants contributing to the risk of cardiovascular disease (CVD) at the chromosome 9p21 locus. The chromosome 9p21 is an important susceptibility locus for several multifactorial diseases like ischemic stroke, aortic aneurysm, type 2 diabetes mellitus and coronary artery disease (CAD). F7 gene because of its role in activating the ...
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