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. 2003 Jul;24(1):119-24; discussion 124.
doi: 10.1016/s1010-7940(03)00170-2.

Cardiac function predicts mortality following thoracoabdominal and descending thoracic aortic aneurysm repair

Shinichi Suzuki  1 , Cornelius A Davis 3rd, Charles C Miller 3rd, Tam T T Huynh, Anthony L Estrera, Eyal E Porat, Anders Vinnerkvist, Hazim J Safi
Affiliations

Cardiac function predicts mortality following thoracoabdominal and descending thoracic aortic aneurysm repair

Shinichi Suzuki et al. Eur J Cardiothorac Surg. 2003 Jul.

Abstract

Objective: Previous studies have identified age, renal failure and aneurysm extent as predictors of mortality following thoracoabdominal and descending thoracic aortic aneurysm (TAA) repair. We studied the impact of coronary artery disease (CAD) and cardiac function on 30-day mortality following TAA repair.

Methods: Between February 1991 and May 2001, we performed 854 TAA repairs. Two hundred ninety-one patients (34%) had a history of coronary artery disease. One hundred forty-one/291 (49%) had undergone coronary artery bypass surgery (CAB) prior to TAA repair. We conducted multivariable analyses of known risk factors along with the left ventricular ejection fraction (EF) and prior CAB to determine the adjusted effect of CAD on outcome.

Results: Mortality in patients with CAD was 54/291 (18%) compared to 75/563 (13%) without CAD (P<0.05). In patients who had prior CAB, mortality was 31/141 (22%) compared to 98/713 (14%) patients without prior CAB, (P<0.02). In multivariable analysis, the effects of CAD and CAB on mortality were eliminated by consideration of a low EF (defined as less than 50%).

Conclusion: Impaired left ventricular function appears to be the strongest cardiac predictor of mortality for TAA repair, independent of the presence of coronary artery disease or coronary artery bypass revascularization.

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