PMID: 15222282Jun 30, 2004Paper

Management of patients undergoing coronary artery bypass graft surgery with mild to moderate aortic stenosis

The Journal of Heart Valve Disease
Apostolos KaragounisMarjan Jahangiri

Abstract

The management of patients undergoing coronary artery bypass graft (CABG) surgery with mild to moderate aortic stenosis (AS) remains controversial. The study aim was to examine the outcome in patients with mild to moderate AS undergoing CABG. A retrospective analysis was carried out of 200 patients with coronary artery disease requiring CABG and with a peak AS gradient < 40 mmHg measured by Doppler echocardiography, between 1990 and 2000. Among patients, 154 underwent isolated CABG (group A) and 46 CABG + aortic valve replacement (AVR) (group B). Mortality was 2.6% (n = 4) in group A and 6.5% (n = 3) in group B (p = NS). The median AS gradients were 34 and 40 mmHg, respectively. Thirty patients (20%) in group A were in NYHA class III-IV compared to 20 (44%) in group B (p = 0.002). There was no significant difference in postoperative complications. The mean intensive care unit stay was 2.3 and 2.2 days, respectively (p = NS); median postoperative stay was 6 and 8 days, respectively (p = 0.02). During the median follow up period of 4.2 years no patient in group A required AVR. Nine late deaths occurred in group B, none of which was cardiac-related. Morbidity and mortality in patients who underwent combined surgery was comparable ...Continue Reading

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