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At least 595 records · Page 33Linked to original sources
PubMed1980

Exercise thallium imaging: location of perfusion abnormalities in single-vessel coronary disease.

Exercise-induced thallium defects were segmentally analyzed in four standard views (anterior, 40 degrees left anterior oblique, 60 degrees left anterior oblique, and left lateral) and correlated with the arteriographic findings in 49 patients with single-vessel disease (> 70% diameter narrowing). Defects in the septal (SEPT), anteroiseptal (ANT SEPT), and anterior (ANT) segments correlated (p < 0. 0005) with stenosis of the left anterior descending coronary artery (LAD). For LAD disease the ANT SEPT segment had the highest sensitivity (84%) and specificity (100%). Defects in the inferior (INF), posteroinferior (POST INF), and posterior (POST) segments correlated (p < 0.0005) with either right (RCA) or circumflex (LCX) stenosis. For RCA or LCX disease, the POST segment had the highest sensitivity (82%) and specificity (100%). The site of single-vessel coronary artery disease can be accurately predicted noninvasively by segmental analysis of thallium images in four anatomical projections.

Adult↗
PubMed1993

[Coronary vessel anomalies in adults--harmless variation or changes with clinical significance].

A review of 1097 consecutive coronary angiograms performed for evaluation of angina pectoris or valvular dysfunctions showed 3 patients with arteriovenous fistulas (0.25%), 6 patients with malpositions (0.55%), 29 patients with aneurysms (2.65%) and 59 patients with myocardial bridging (5.4%). The clinical significance of coronary artery anomalies as variation or malformation was evaluated. A malformation has been found in Bland-White-Garland syndrome, arteriovenous fistulas, congenital coronary stenosis and atresia. In case of clinical symptoms surgical correction should be considered. There is a controversy on the clinical significance of muscular bridging. Further clinical investigations are needed for a better understanding of coronary artery anomalies.

Adolescent↗