NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES

O. Thompson; A. Stefánsdóttir; A. W-Dahl; O. Robertsson; M. Gordon; V. Lindgren

doi:10.1302/1358-992X.2021.15.002

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General Orthopaedics

NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES

The European Bone and Joint Infection Society (EBJIS), Ljubljana, Slovenia, 7–9 October 2021.

O. Thompson
A. Stefánsdóttir
A. W-Dahl
O. Robertsson
M. Gordon
V. Lindgren

NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES

Thompson O, Stefánsdóttir A, W-Dahl A, Robertsson O, Gordon M, Lindgren V. NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES. Orthop Procs. 2021;103-B(SUPP_15):2-2. doi:10.1302/1358-992X.2021.15.002

Thompson, O., et al. “NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES.” Orthopaedic Proceedings, vol. 103-B, no. SUPP_15, 2021, pp. 2-2., https://doi.org/10.1302/1358-992X.2021.15.002

Thompson, O., Stefánsdóttir, A., W-Dahl, A., Robertsson, O., Gordon, M., & Lindgren, V. (2021). NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES. Orthopaedic Proceedings, 103-B(SUPP_15), 2-2. https://doi.org/10.1302/1358-992X.2021.15.002

Thompson, O., Stefánsdóttir, A., W-Dahl, A., Robertsson, O., Gordon, M. and Lindgren, V. (2021) “NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES.” Orthopaedic Proceedings, 103-B(SUPP_15), pp. 2-2. Available at: https://doi.org/10.1302/1358-992X.2021.15.002

Thompson, O., A. Stefánsdóttir, A. W-Dahl, O. Robertsson, M. Gordon, and V. Lindgren. “NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES.” Orthopaedic Proceedings 103-B, no. SUPP_15 (2021): 2-2. https://doi.org/10.1302/1358-992X.2021.15.002

Thompson O, Stefánsdóttir A, W-Dahl A, Robertsson O, Gordon M, Lindgren V. NO REDUCTION OF PERIPROSTHETIC JOINT INFECTION RATES AFTER A NATIONAL INFECTION-CONTROL INITIATIVE: AN INCIDENCE STUDY OF 45,438 PRIMARY TOTAL KNEE ARTHROPLASTIES. Orthop Procs. 2021 Dec 1;103-B(SUPP_15):2-2. https://doi.org/10.1302/1358-992X.2021.15.002

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Abstract

Aim

Strenuous efforts to minimize postoperative infection rates have been made, including the Swedish nation-wide initiative Prosthesis Related Infections Shall be Stopped (PRISS). The aim of this study was to calculate the incidence rate of periprosthetic joint infections (PJI) following primary total knee arthroplasty (TKA) before and after PRISS.

Method

All 45,438 primary TKAs registered in the Swedish knee arthroplasty register (SKAR) during 2007–2008 and 2012–2013 were included. Matched data on antibiotic prescriptions were obtained from the Swedish Prescribed Drug Register (SPDR). All patients with ≥28 days of continuous antibiotic treatment within 2 years of primary surgery had their medical charts reviewed to identify cases of PJI.

Results

644 PJIs were identified, equaling a 2-year cumulative incidence rate of 1.42% (95% CI: 1.31–1.53). The incidence rate was 1.41% before PRISS and 1.43% after. Diagnosis was made within 30 days of primary TKA in 52%, and within 90 days in 73% of the cases. 603 cases were reoperated. Debridement with exchange of the insert was performed in 32.1% and 62.5% of cases before and after PRISS respectively.