• Todd R Vogel, Viktor Y Dombrovskiy, Paul B Haser, and Alan M Graham.
• UMDNJ-Robert Wood Johnson Medical School, Department of Surgery, Division of Vascular Surgery, The Surgical Outcomes Research Group, New Brunswick, NJ 08903-0019, USA. vogelto@umdnj.edu
• J. Vasc. Surg. 2011 Sep 1;54(3):706-13.

BackgroundImproving patient safety has become a national priority. Patient safety indicators (PSIs) are validated tools to identify potentially preventable adverse events. No studies currently exist for evaluating lower extremity (LE) vascular procedures and the occurrence of PSIs.MethodsThe Nationwide Inpatient Sample (2003-2007) was queried for elective LE angioplasty (endo) and bypass (open). PSIs appropriate to surgery were analyzed by χ(2) and logistic regression analyses.ResultsA total of 226,501 LE interventions (104,491 endo; 122,010 open) were evaluated. The rate of developing any PSI was 7.74% (open) and 8.51% (endo), P < .0001. In the latter group, PSI9 (postoperative hemorrhage or hematoma) with the rate 4.74% was a predominant indicator that was associated with an almost three times greater likelihood of death in this group. PSI predictors included advanced age (odds ratio [OR], 1.64; 95% confidence interval [CI], 1.55-1.75 for oldest vs youngest patients), females (OR, 1.18; 95% CI, 1.13-1.22), blacks (OR, 1.10; 95% CI, 1.04-1.17), congestive heart failure (OR, 1.83; 95% CI, 1.72-1.96), diabetes mellitus (OR, 1.20; 95% CI, 1.12-1.28), renal failure (OR, 2.31; 95% CI, 2.14-2.50), hospital teaching status (OR, 1.21; 95% CI, 1.17-1.26), and larger hospitals (OR, 1.11; 95% CI, 1.05-1.17). PSI occurrence was associated with increased cost ($28,387 vs $13,278; P < .0001).ConclusionsEndovascular procedures were found to have lower mortality rates overall, but were found to have a greater number of safety events occur primarily due to bleeding complications in women and the elderly. PSIs were associated with advanced age, black race, and comorbidities. Adverse events added significant cost, occurred more frequently in teaching and large hospitals, and future organizational analysis may improve safety and reduce cost.Copyright © 2011 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved.

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