Non-inferiority and Safety of Increased Povidone-Iodine (Betadine) Concentration for Irrigation Following Primary Total Joint Arthroplasty (TJA)
CUREUS JOURNAL OF MEDICAL SCIENCE(2024)
摘要
Introduction Diluted Betadine (Purdue Pharma, Stamford, Conn) irrigation following primary total joint arthroplasty (pTJA) may reduce the risk of periprosthetic joint infection (PJI). A recent in vitro study found a minimal inhibitory concentration (MIC) of 0.63% Povidone-iodine (Betadine) for several bacterial isolates. This study reports outcomes of patients undergoing TJA using 0.54% Betadine irrigation compared to a historical cohort using 0.3% Betadine irrigation. Methods A retrospective chart review of patients who underwent pTJA from September 2017 to December 2020. 0.3% Betadine was used in a historical cohort and 0.54% Betadine in the experimental group. Patient demographics, intra-operative data, all -cause revision, and infection data were collected for the threemonth post -operative period. Outcome frequencies between groups were compared using Fisher -Exact tests. Results Six hundred sixty-one patients underwent pTJA: 308 total knee arthroplasty (TKA), and 353 total hip arthroplasty (THA). 0.3% Betadine group had seven (3.1%) revisions: five (2.2%) underwent a revision for non-infectious reasons, and two (0.9%) for PJI. 0.54% Betadine group had 11 (2.5%) revisions: nine (2.1%) underwent revision for non-infectious reasons, two (0.4%) for PJI. No significant difference was found for rates of all -cause revision or infection between groups. No adverse intra-operative events occurred with the higher Betadine concentration. Conclusion This study demonstrated no difference in rates of all -cause revision or PJI when using 0.3% Betadine versus 0.54% Betadine for irrigation following pTJA. No adverse intraoperative events occurred with 0.54% Betadine irrigation. Given recent in vitro data supporting increased Betadine MIC, our results showed safety and noninferiority with respect to three-month post -operative complication rates. Further investigation through a large powered randomized controlled study is needed to determine the optimal Betadine irrigation concentration for PJI prevention is required.
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关键词
povidone-iodine,infection,irrigation,betadine,total joint arthroplasty
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