![]() Have the causes of revision for total and unicompartmental knee arthroplasties changed during the past two decades?. In:Ĭlinical Orthopaedics and Related Research. Infection after Unicompartmental Knee Arthroplasty: A High Risk of Subsequent Complications. patient population: prevalence and epidemiology. Unicondylar knee arthroplasty in the U.S. Knee 2014 21 (01) 6-11ĭoes timing of previous intra-articular steroid injection affect the post-operative rate of infection in total knee arthroplasty?. Systematic review: the safety of intra-articular corticosteroid injection prior to total knee arthroplasty. Preoperative CSI is associated with increased conversion from UKA to TKA for noninfectious indications.Ĭorticosteroid injections for osteoarthritis of the knee: meta-analysis. ![]() Preoperative CSI within 3 months of UKA is not associated with postoperative infection, although significant medical comorbidity does show an association. CSI within 3 months of surgery (1.5%) or 3 to 12 months (1.8%) were associated with increased conversion to total knee arthroplasty (TKA) compared with those who did not receive an injection (1.1%, p = 0.01), although TKA for indication of periprosthetic joint infection was not statistically different ( p = 0.72). Multivariable analysis controlling for these characteristics elicited no relationship between recent CSI administration and postoperative infection. Univariable predictors of infection included younger age, increasing Charlson Comorbidity Index, smoking, asthma, chronic obstructive pulmonary disease, chronic kidney disease, diabetes, liver disease, and obesity. Two or more CSI within 3 months prior to UKA were associated with a twofold elevated odds of infection, compared with receiving a single injection (odds ratio : 2.08, p = 0.03). CSI within 1 month prior to UKA was not statistically associated with postoperative infection ( p = 0.66). Postoperative deep infections occurred in 64 patients with CSI 0 to 3 months prior to surgery (0.7%), compared with 0 patients with CSI 3 to 12 months before surgery (0.0%) and 182 controls (0.8%, p = 0.58). Time-dependent and dose-dependent relationships were modeled using multivariable logistic regressions. Overall, 246 postoperative deep infections were reported (0.8%). Of 31,676 patients with a UKA who met enrollment criteria, 8,628 patients had a CSI 0 to 3 months prior to surgery, 111 had a CSI 3 to 12 months prior to surgery, and 22,937 never received an injection. An administrative claims database was queried for patients undergoing UKA with more than 1 year of pre-enrollment and follow-up. This study sought to determine if there is a time- and/or dose-dependent relationship between preoperative CSI and postoperative infection. ![]() It is unclear whether CSI prior to UKA impacts the likelihood of postoperative infection. Prior to unicompartmental knee arthroplasty (UKA), corticosteroid injections (CSI) are a common nonoperative treatment for arthritis. Buy Article Permissions and Reprints Abstract
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