Prevention Techniques have had Minimal Impact on the Population Rate of Prosthetic Joint Infection for Primary Total Hip and Knee Arthroplasty: A National Database Study. Journal Article

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Authors: Murphy, MP; MacConnell, AE; Killen, CJ; Schmitt, DR; Wu, K; Hopkinson, WJ; Brown, NM
Article Title: Prevention Techniques have had Minimal Impact on the Population Rate of Prosthetic Joint Infection for Primary Total Hip and Knee Arthroplasty: A National Database Study.
Abstract: BACKGROUND: Several studies over the years have offered modalities that may greatly decrease the rate of periprosthetic joint infection (PJI) when implemented. As a result, one would expect a drastic decrease in infection rate among the implementing population with its widespread use. The purpose of this study was to assess whether there exists a decrease in infection rate over time, after accounting for available confounding variables, within a large national database. METHODS: A large national database from 2005 to 2019 was queried for primary total hip (THA) and knee (TKA) arthroplasty. In total, 221,416 THAs and 354,049 TKAs were performed over the study period. Differences in 30-day infection rate were assessed with time and available preoperative risk factors using multinominal logistic regressions. RESULTS: Rate of infection overall trended downward for both THA and TKA. After accounting for confounding variables, odds of THA infection marginally decreased over time (Odds Ratio (OR) 0.968 [0.952-0.985], p.0001), while the odds of a TKA infection marginally increased with time (OR 1.037 [1.020-1.054], p.0001). CONCLUSION: Individual peer-reviewed publications have presented infection control modalities demonstrating dramatic decreases in infection rate while analysis at a population level shows almost no changes in infection rate over a 15-year time period. This study supports continued investigation for influential modalities in preventing PJI and care in patient selection for primary hip and knee arthroplasty.
Journal Title: The Journal of arthroplasty
ISSN: 1532-8406; 0883-5403
Publisher: Unknown  
Date Published: 2023