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Ann Thorac Surg. 2000 Sep;70(3):1054-9.

Predictors of outcome in a multicenter port-access valve registry.

Author information

1
Duke University Medical Center, Durham, North Carolina 27710, USA. glowe001@mc.duke.edu

Abstract

BACKGROUND:

The aim of this study was to examine the predictors of outcome in patients undergoing isolated valve operation using port-access techniques.

METHODS:

Logistic regression analysis was performed in a prospective, multi-institutional registry of patients undergoing isolated aortic valve replacement (AVR, n = 252), mitral repair (MVP, n = 491), or mitral replacement (MVR, n = 568) using port-access techniques from 1997 to 1999.

RESULTS:

Endoaortic balloon occlusion was used in 2% (AVR), 93% (MVP), and 90% (MVR) of cases. Conversion to full sternotomy occurred in 3.8% of all cases. For all patients, early mortality was 50 of 1,311 (3.8%) and onset of new atrial fibrillation occurred in 140 of 1,311 (11%) patients. The determinants of 30-day mortality were redo, age, and MVR or AVR. The determinants of reoperation for bleeding were age, reoperation, and MVR. Age was a predictor for stroke, and age and low or medium volume center were predictors of new atrial fibrillation.

CONCLUSIONS:

Excellent short-term results can be obtained using port-access techniques in isolated mitral or aortic valve operations. Patient outcome is not related to institutional case volume, and the primary determinants of outcome after port-access valve procedures are generally patient-related factors.

PMID:
11016374
DOI:
10.1016/s0003-4975(00)01748-3
[Indexed for MEDLINE]

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