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The Annals of Thoracic Surgery, Vol 46, 29-35, Copyright © 1988 by The Society of Thoracic Surgeons

ARTICLES

Left ventricular aneurysm repair with myocardial revascularization: an analysis of 246 consecutive patients over 15 years

JN Vauthey, DW Berry, DW Snyder, JC Gilmore, K Sundgaard-Riise, NL Mills and JL Ochsner
Department of Surgery, Ochsner Clinic, New Orleans, LA 70121.

From 1970 to 1985, 246 consecutive patients with left ventricular (LV) aneurysm underwent repair and concomitant myocardial revascularization at Ochsner Foundation Hospital. The overall incidence of perioperative death was 7.3%. Although the deaths were mainly cardiac related (10/18) with congestive heart failure (CHF) as the leading cause (6/10), 8 deaths were of noncardiac origin. Perioperative mortality increased significantly in patients with mitral regurgitation (MR) (22%; p = 0.0008); perioperative mortality for patients without MR was 4.8%. The overall 5-year survival was 69%. Late deaths were caused most commonly by myocardial infarction (20/32) with only 7 due to CHF. Predictors of long-term survival were related to LV function preoperatively: absence of CHF (p = 0.001); LV end-diastolic pressure less than or equal to 20 mm Hg (p = 0.03); and ejection fraction greater than or equal to 35% (p = 0.02). Factors that did not significantly affect long-term survival were type of aneurysm repair (resection or plication), morphology of left anterior descending coronary artery (occlusion or stenosis), and size of the aneurysm.

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