In-Hospital Complication Rates and Associated Factors After Simultaneous Bilateral Versus Unilateral Total Knee Arthroplasty

• DOI: 10.2106/jbjs.m.00065
• Publication Date: 2014-07-02T19:24:44Z
• Authors: Susan M. Odum; Bryan D. Springer
• Keywords: Aged, 80 and over; Male; Inpatients; Age Factors; Comorbidity; Length of Stay; Middle Aged; United States; 3. Good health; 03 medical and health sciences; Postoperative Complications; Sex Factors; 0302 clinical medicine; Risk Factors; Humans; Female; Practice Patterns, Physicians'; Arthroplasty, Replacement, Knee; Aged

Background: Data comparing complication rates following simultaneous bilateral total knee arthroplasty with those of unilateral are conflicting. The purpose this study was to compare in-hospital versus and determine factors associated in a large cohort patients identified from the Nationwide Inpatient Sample (NIS). Methods: 2004 2007 NIS data set used identify 407,070 arthroplasties: 24,574 382,496 arthroplasties. Complications, based on International Classification Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes, were categorized as none, minor, major, or mortality. Covariates included comorbidities, demographic information, payer type, hospital volume. Multiple logistic regression calculate odds ratios (ORs) 95% confidence intervals (CIs). Results: Simultaneous significantly higher an compared arthroplasty: OR, 1.51 (95% CI, 1.42 1.62) for minor complication; 1.30 1.14 1.47) major 2.51 1.66 3.80) Patients greater numbers medical comorbidities more likely have complication. Compared whites, African-American Asian/Pacific Islander groups had Female less than male who sixty-five years old at time surgery reduced mortality seventy-five age older. hospitals very-high volume procedures performed (≥850), lower-volume increased complications Conclusions: While either low, complications, including mortality, arthroplasty. Patient preoperative health status, all significant Level Evidence: Therapeutic III. See Instructions Authors complete description levels evidence.