• James Cyriac, Leslie Garson, Ran Schwarzkopf, Kyle Ahn, Joseph Rinehart, Shermeen Vakharia, Maxime Cannesson, and Zeev Kain.
• From the *Department of Anesthesiology and Perioperative Care, †Department of Orthopaedic Surgery, University of California Irvine, Irvine, California; and ‡Department of Anesthesiology and Perioperative Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California.
• Anesth. Analg. 2016 Jul 1; 123 (1): 51-62.

BackgroundPreviously, our group successfully established one of the nation's first Perioperative Surgical Homes (PSHs) aimed at coordinating services to patients undergoing primary total hip arthroplasty (THA) and primary total knee arthroplasty (TKA). As we now focus on extending the PSH to other service lines within the hospital, the long-term sustainability of this practice model is an important factor to consider moving forward.MethodsWe prospectively collected data from all patients who underwent elective primary TKA and THA at our institution between October 1, 2012, and September 30, 2014. Prospectively collected data included length of stay (LOS), 30-day readmission rate, postoperative pain scores, and complications.ResultsDuring the 2-year period, there were 328 primary joint arthroplasty patients. Overall, the median LOS was significantly shorter in the second year of the PSH initiative (P = 0.03). Stratified by procedure, the median LOS for patients undergoing THA was significantly shorter in the second year (P = 0.02), whereas the median LOS for patients undergoing TKA did not differ between the 2 time periods. In the second year of the PSH initiative, significantly more patients were discharged home than to a skilled nursing facility compared with year 1 of the PSH initiative (P = 0.02). Readmission rates within 30 days after surgery to our institution were 0.9% (0.0-4.4) in the first year of the PSH initiative and 3.3% (confidence interval, 1.3%-7.2%) in the second year of the PSH initiative (P = not significant). Pain scores did not change significantly from year 1 to year 2 (P = not significant).ConclusionsData for the second year of implementation demonstrate similarly positive results in LOS, pain control, discharge destination, readmission, transfusion rates, and complications.

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