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  • Title: Is Orthopaedic Department Teaching Status Associated with Adverse Outcomes of Primary Total Knee Arthroplasty?
    Author: Perfetti DC, Sodhi N, Khlopas A, Sultan AA, Lamaj S, Boylan MR, Newman JM, Naziri Q, Cantrell WA, Maheshwari AV, Paulino CB, Mont MA.
    Journal: Surg Technol Int; 2017 Dec 22; 31():379-383. PubMed ID: 29316598.
    Abstract:
    INTRODUCTION: Although resident physicians have a critical role in the daily management of patients, based on their limited experiences, they are thought to potentially create inefficiencies in the hospital. With changes set forth by the Comprehensive Care for Joint Replacement (CJR) program, both teaching and non-teaching hospitals are directly compared on efficiency and outcomes. Therefore, the purpose of this study was to compare outcomes between teaching and non-teaching hospitals in the state of New York. Specifically, we compared: (1) duration of stay; (2) cost of admission; (3) disposition; and (4) 90-day readmission for elective primary total knee arthroplasty (TKA). MATERIALS AND METHODS: Using the New York Statewide Planning and Research Cooperative System (SPARCS) database, 133,489 patients undergoing primary total knee arthroplasty (TKA) between January 1, 2009 and September 30, 2014 were identified. Outcomes assessed included lengths-of-stay and cost of the index admission, disposition, and 90-day readmission. To compare the above outcomes between the hospital systems, mixed effects regression models were used, which were adjusted for patient demographics, comorbidities, hospital, surgeon, and year of surgery. RESULTS: Patients who underwent surgery at teaching hospitals were found to have longer lengths of stay (b=3.4%, p<0.001) and higher costs of admission (b=14.7%; p<0.001). Patients were also more likely to be readmitted within 90 days of discharge (OR=1.64; p<0.001). No differences were found in discharge disposition status for teaching versus non-teaching hospitals (OR=0.92; p=0.081. CONCLUSIONS: The results from this study indicate that at teaching hospitals, a greater number of resources are needed for primary TKA than at non-teaching hospitals. Therefore, teaching hospitals might be inappropriately reimbursed when compensation is linked to competition on economic and clinical metrics. Furthermore, based on this, optimizing reimbursement might inadvertently come at the expense of resident training and education. While some inefficiencies exist as an inherent part of resident training, limiting learning opportunities to optimize compensation can potentially have greater future consequences.
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