• Hassan Aziz, Bernardino C Branco, Jonathan Braun, John D Hughes, Kay R Goshima, Magdiel Trinidad-Hernandez, Glenn Hunter, and Joseph L Mills.
• Department of Surgery, University of Arizona, Tucson, Ariz. Electronic address: haziz@surgery.arizona.edu.
• J. Vasc. Surg. 2015 Jun 1;61(6):1538-42.

BackgroundDo-not-resuscitate (DNR) orders allow patients to communicate their wishes regarding cardiopulmonary resuscitation. Although DNR status may influence physician decision making regarding resuscitation, the effect of DNR status on outcomes of patients undergoing emergency vascular operation remains unknown. The aim of this study was to analyze the effect of DNR status on the outcomes of emergency vascular surgery.MethodsThe National Surgical Quality Improvement Program database was queried to identify all patients requiring emergency vascular surgical interventions between 2005 and 2010. Demographics, clinical data, and outcomes were extracted. Patients were compared according to DNR status. The primary outcome measure was 30-day mortality.ResultsDuring the study period, 16,678 patients underwent emergency vascular operations (10.8% of the total vascular surgery population). Of those, 548 patients (3.3%) had a DNR status. The differences in rates of open or endovascular repair or of intraoperative blood requirement between the two groups were not significant. After adjusting for differences in demographics and clinical data, DNR patients were more likely to have higher rates of graft failure (8.7% vs 2.4%; adjusted P < .01) and failure to wean from mechanical ventilation (14.9 % vs 9.9%; adjusted P < .001). DNR status was associated with a 2.5-fold rise in 30-day mortality (35.0% vs 14.0%; 95% confidence interval, 1.7-2.9; adjusted P < .001).ConclusionsThe presence of a DNR order was independently associated with mortality. Patient and family counseling on surgical expectations before emergency vascular operations is warranted because the risks of perioperative events are significantly elevated when a DNR order exists.Published by Elsevier Inc.

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