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The Journal of Arthroplasty, Volume 34, Issue 7, S319 - S326.e1
Hip Knee
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Preoperative Treatment of Hepatitis C Is Associated With Lower Prosthetic Joint Infection Rates in US Veterans
Ilya Bendich, Steven Takemoto, Joseph T. Patterson, Alexander Monto, Thomas C. Barber, Alfred C. KuoHip Knee
Background
Hepatitis C virus (HCV) is associated with poorer outcomes in total joint arthroplasty (TJA). Recently, oral direct-acting antivirals (DAAs) have become available for HCV curative treatment. The goal of this study is to determine if HCV may be a modifiable risk factor in TJA by comparing postoperative complications among patients with and without preoperative treatment for HCV.
Methods
US Department of Veterans Affairs dataset of all consecutive primary TJAs performed between 2014 and 2018, when DAAs were available, was retrospectively reviewed. HCV-infected patients were identified using International Classification of Diseases, Ninth and Tenth Revision codes and laboratory values. HCV-infected patients treated prior to TJA with DAA were included in the “treated” group. HCV-infected patients untreated preoperatively were assigned to the “untreated” group. Medical and surgical complications up to 1 year postoperatively were identified using International Classification of Diseases, Ninth and Tenth Revision inpatient and outpatient codes.
Results
In total, 42,268 patients underwent TJA at Veterans Affairs Hospitals between 2014 and 2018. About 6.0% (n = 2557) of TJA patients had HCV, 17.3% of whom received HCV treatment preoperatively. When evaluating inpatient and outpatient codes, implant infection rates were statistically lower at 90 days and 1 year postoperatively among HCV-treated patients than among those untreated. Odds ratios (ORs) favor lower infection rates in HCV-treated patients (90-day OR: 3.30, P = .045; 1-year OR: 2.16, P = .07).
Conclusion
Preoperative HCV treatment was associated with lower periprosthetic infection rates among US veterans undergoing TJA. Further investigation is necessary for definitive conclusions.
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