Left anterior descending artery length in left and right coronary artery dominance.

Abstract:

BACKGROUND:Coronary stenosis of the left anterior descending artery (LAD) is respected by cardiologists because of its negative influence on morbidity and mortality. An important anatomical consideration is the length of the LAD. OBJECTIVE:To investigate the relationship between length of LAD and coronary dominance. DESIGN:Retrospective comparison of 100 consecutive angiograms with left coronary dominance with 100 consecutive angiograms with right coronary dominance. The relationship between the length of the LAD and coronary dominance was analyzed. METHODS:We retrospectively compared 100 consecutive angiograms with left coronary dominance (the posterior descending artery being supplied by the circumflex artery) with 100 consecutive angiograms with right coronary dominance (the posterior descending artery being supplied by the right coronary artery). LADs were categorized into three types: type A, LAD terminating before the cardiac apex; type B, LAD reaching the apex but not supplying the inferoapical segment of the left ventricle; and type C, LAD wrapping around the apex and supplying the inferoapical segment. LAD typing was also analyzed in relation to gender. RESULTS:It was found that the LAD wrapped around the apex in 87% of cases of left coronary dominance but only in 47% of patients with right coronary dominance, and that the long LADs were more frequently seen in women than in men, irrespective of coronary dominance. CONCLUSIONS:We found that the LAD in left coronary dominance is usually long and wraps around the apex, and believe that angiographic interventions in such cases have important clinical significance.

journal_name

Coron Artery Dis

journal_title

Coronary artery disease

authors

Ilia R,Rosenshtein G,Weinstein J,Cafri C,Abu-Ful A,Gueron M

doi

10.1097/00019501-200102000-00011

subject

Has Abstract

pub_date

2001-02-01 00:00:00

pages

77-8

issue

1

eissn

0954-6928

issn

1473-5830

journal_volume

12

pub_type

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