Myocardial bridging (MB) is a congenital condition where a segment of a major epicardial coronary artery runs intramurally (tunnelled artery) through the myocardium. . It has been reported in autopsy studies with an incidence rate of 5.4–85.7% , while the prevalence varies substantially among studies with much higher rate at autopsy versus angiography (5–12%) [3,4]. The most frequent place of occurrence is the proximal half of the anterior descending branch of the left coronary artery (60%), while the other branches are overbridged less often. The muscular bridges of the branches of the right coronary artery are rarer and more variable in their form of location (2.8–11.4%) . While the course is generally benign, myocardial ischemia, infarction, ventricular arrhythmia and sudden death have been reported, frequently associated with hypertrophic cardiomyopathy and coronary atherosclerosis . We present a case of sudden death of a young man having a right coronary artery myocardial bridging as the only identifiable cause of death. The pathogenesis of the fatal event is discussed with reference to the histological findings.
|Titolo:||Myocardial bridging of the right coronary artery and emotional stress: a fatal link?|
|Data di pubblicazione:||2007|
|Appare nelle tipologie:||1.1 Articolo in rivista|