• Nicholas Clark, David F Schneider, Sara Vrabec, Philip S Bauer, Herbert Chen, and Rebecca S Sippel.
• Section of Endocrine Surgery, Department of Surgery, University of Wisconsin, Madison, Wisconsin 53792-7375, USA.
• J. Surg. Res. 2013 Sep 1; 184 (1): 200-3.

BackgroundThyroid and parathyroid procedures historically have been viewed as inpatient procedures. Because of the advancements in surgical techniques, these procedures were transferred from the inpatient operating room (OR) to the outpatient OR at a single academic institution approximately 7 y ago. The goal of this study was to determine whether this change has decreased turnover times and maximized OR utilization.MethodsWe performed a retrospective review of 707 patients undergoing thyroid (34%) and parathyroid (66%) procedures by a single surgeon at our academic institution between 2005 and 2008. Inpatient and outpatient groups were compared using Student t-test, chi-square test, or the Kruskal-Wallis test where appropriate. Multiple regression analysis was used to determine how patient and hospital factors influenced turnover times.ResultsTurnover times were significantly lower in the outpatient OR (mean 18 ± 0.7 min) when compared with the inpatient OR (mean 36 ± 1.4 min) (P < 0.001). When compared by type of procedure, all turnover times remained significantly lower in the outpatient OR. Patients in both ORs were similar in age, gender, and comorbidities. However, inpatients had a higher mean American Society of Anesthesiologists score (2.30 versus 2.13, P < 0.001) and were more likely to have an operative indication of cancer (23.1% versus 9.2%, P < 0.001). Using multiple regression, the inpatient OR remained highly significantly associated with higher turnover times when controlling for these small differences (P < 0.001).ConclusionsEndocrine procedures performed in the outpatient OR have significantly faster turnover times leading to cost savings and greater OR utilization for hospitals.Copyright © 2013 Elsevier Inc. All rights reserved.

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