The arterial switch operation (ASO) has evolved into the treatment of the choice for most forms of transposition of the great arteries (TGA). Despite advancement in the technical aspects of the procedure, certain anatomical variations of the coronary arteries are still considered as surgical risks. We have recently employed a novel technique for coronary artery reconstruction in ASO to achieve ...

OBJECTIVES This research was undertaken to assess the status of the coronary wall morphology late after the arterial switch operation (ASO) for transposition of the great arteries employing intravascular ultrasound (IVUS). BACKGROUND Long-term patency of the reimplanted coronary arteries is a key issue after ASO. Follow-up studies have demonstrated coronary obstruction in up to 8% of patients...

Background—NADH/NADPH oxidase is an important source of superoxide in the vasculature. Recently, we found that polymorphism of the gene p22, a critical component of this oxidase, is associated with a risk of coronary artery disease. The aim of this study was to investigate the localization of p22 in human coronary arteries and to examine its difference in expression between nonatherosclerotic a...

Congenital absence of left circumflex artery is a rare congenital anomaly of the coronary arteries. The prevalence of the anomaly in different studies ranges from 0.6% to 1.3%. Of these, 80% are benign and asymptomatic and 20% are clinically important. We report a 56-year-old man presented with acute resting chest pain who was diagnosed as having acute anterolateral infarction accompanied by el...

Different suture techniques have been used for anastomosis in coronary artery bypass graft surgery. Bypass surgery may be difficult for patients who have small coronary arteries or marked size discrepancies between target coronary arteries and grafts. For proximal and distal anastomoses, three continuous stitches are first placed in the heel and toe of the small coronary arteries; for sequentia...

Knowledge of morphometric quantities of coronary arteries in infants is an increasingly vital component in managing congenital and acquired heart disease. Because of considerable heterogeneity of coronary vasculature, what is considered atypical and aberrant or insignificant anatomy is often unclear. The purpose of our present study is to define normal infant anatomy. This was done by focu...

Some of coronary artery anomalies, such as origin of all coronary arteries from three separate ostiums in the right sinus of valsalva, represent a small amount of coronary anomalies. We describe a 63-year-old female patient which coronary angiogram revealed an origin of all coronary arteries from three separate ostiums in the right sinus of valsalva, with significant atherosclerotic plaque at t...

OBJECTIVES This study sought to report prevalence and radiologic patterns of intramuscular coronary arteries (myocardial bridging) on coronary computed tomographic angiography (CCTA). BACKGROUND Reported prevalence of intramuscular coronary arteries varies between 5% and 86% in autopsy and 0.8% and 4.9% in coronary angiography. Intramuscular coronary arteries can cause technical problems duri...