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J Thorac Cardiovasc Surg. 2012 Feb;143(2):468-74. doi: 10.1016/j.jtcvs.2011.10.036.

Factors associated with 5-year survival in older heart transplant recipients.

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  • 1Division of Cardiac Surgery, Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA.

Abstract

OBJECTIVES:

The aim of the present study was to identify the predictors of 5-year survival in elderly patients undergoing orthotopic heart transplantation (OHT).

METHODS:

A review of the United Network for Organ Sharing database was conducted of recipients 60 years old or older undergoing OHT from 1995 to 2004. The variables were compared between the 5-year survivors and the patients who died within 5 years of OHT. A multivariate logistic regression model was constructed using the covariates significantly associated with 5-year survival on univariate analysis.

RESULTS:

A total of 5330 elderly patients underwent OHT during the study period. Of these patients, 3492 (65.5%) were 5-year survivors, 1580 (29.6%) had died within 5 years of OHT and were considered controls, and 258 (4.8%) were lost to follow-up. The predictors of improved 5-year survival included younger age (odds ratio [OR], 0.97; 95% confidence interval [CI], 0.95-1.00; P = .03), lower creatinine (OR, 0.92; 95% CI, 0.87-0.98; P = .01), white race (OR, 1.23; 95% CI, 1.02-1.49; P = .03), shorter ischemic time (OR, 0.93; 95% CI, 0.87-0.99; P = .02), and younger donor age (OR, 0.99; 95% CI, 0.99-1.00; P = .03). The following significantly reduced the odds of surviving to 5 years: mechanical ventilation (OR, 0.48; 95% CI, 0.33-0.71; P < .001), hypertension (OR, 0.79; 95% CI, 0.69-0.91; P = .001), and diabetes (OR, 0.79; 95% CI, 0.67-0.92; P = .003). Ventricular assist device data were only available for 2538 patients (49.6%). When added to the multivariate model, the use of a ventricular assist device significantly reduced the odds of surviving 5 years after OHT (OR, 0.63; 95% CI, 0.50-0.81; P < .001).

CONCLUSIONS:

In the present study of more than 5000 elderly OHT patients, younger recipient age, white race, lower creatinine, younger donor age, and shorter ischemic time were associated with improved 5-year survival. In contrast, bridging with a ventricular assist device, mechanical ventilation, hypertension, and diabetes significantly decreased the odds of 5-year survival. These findings might be useful for prognostication in this higher risk patient population.

Copyright © 2012 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

PMID:
22248684
[PubMed - indexed for MEDLINE]
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