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- Title
Effect of Hospital Volume on In-Hospital Mortality for Renal Artery Bypass.
- Authors
Modrall, J. Gregory; Rosero, Eric B.; Smith, Stephen T.; Arko III, Frank R.; Valentine, R. James; Clagett, G. Patrick; Timaran, Carlos H.
- Abstract
Background: A recent report determined that the nationwide mortality for renal artery bypass (RAB) is surprisingly high--10%. We hypothesized that operative mortality for RAB is related to the volume of such operations performed in each center. Methods: The Nationwide Inpatient Sample was analyzed to identify patients undergoing RAB for the years 2000-2005. Inhospital mortality for RAB was compared between hospitals. Results: During the study period, RAB was performed on 7413 patients with an overall in-hospital mortality of 9.6%. The multivariate logistic regression analyses revealed that after adjusting for surgical risk, increasing hospital volume was significantly associated with decreased in-hospital mortality for RAB (odds ratio 0.98; 95% confidence interval, 0.96-0.99; P = .015). Conclusions: Patient risk profile and hospital volume are critical determinants of in-hospital mortality for RAB, which should be factored into decision making for patients requiring intervention for renovascular disease.
- Subjects
HOSPITALS; RENAL artery; REGRESSION analysis; MORTALITY; CONFIDENCE intervals
- Publication
Vascular & Endovascular Surgery, 2009, Vol 43, Issue 4, p339
- ISSN
1538-5744
- Publication type
Article
- DOI
10.1177/1538574409335919