• Tyler J Brolin, Ryan P Mulligan, Frederick M Azar, and Thomas W Throckmorton.
• Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee-Campbell Clinic, Memphis, TN, USA.
• J Shoulder Elbow Surg. 2017 Feb 1; 26 (2): 204-208.

BackgroundRecent emphasis on safe and efficient delivery of high-quality health care has increased interest in outpatient total joint arthroplasty. The purpose of this study was to evaluate the safety of outpatient total shoulder arthroplasty (TSA) by comparing episode-of-care complications in matched cohorts of patients with anatomic TSA as an outpatient or inpatient procedure.MethodsThirty patients with outpatient TSA at a freestanding ambulatory surgery center (ASC) were compared with an age- and comorbidities-matched cohort of 30 patients with traditional inpatient TSA to evaluate 90-day episode-of-care complications, including hospital admissions or readmissions and reoperations. Two-tailed t-tests were used to evaluate differences, and differences of P < .05 were considered statistically significant.ResultsNo significant differences were found between the ASC and hospital cohorts regarding average age, preoperative American Society of Anesthesiologists score, operative indications, or body mass index. No patient required reoperation. There were no hospital admissions from the ASC cohort and no readmissions from the hospital cohort. Minor complications in the ASC cohort were arthrofibrosis in 2 patients and mild asymptomatic anterior subluxation in 1 patient; the only major complication was in an outpatient who fell 11 weeks after surgery and disrupted his subscapularis repair. Three minor complications in the hospital cohort were mild asymptomatic anterior subluxation, blood transfusion, and superficial venous thrombosis. The complication rates (13% vs. 10%) were not significantly different.ConclusionsOutpatient TSA is a safe alternative to hospital admission in appropriately selected patients. Further investigation is warranted to evaluate the longer term outcomes and cost-effectiveness of outpatient TSA.Copyright © 2017 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

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