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Repeat two-stage exchange arthroplasty for prosthetic hip re-infection
Journal article   Peer reviewed

Repeat two-stage exchange arthroplasty for prosthetic hip re-infection

T S Brown, K A Fehring, M Ollivier, T M Mabry, A D Hanssen and M P Abdel
The bone & joint journal, Vol.100-B(9), pp.1157-1161
09/2018
DOI: 10.1302/0301-620X.100B9.BJJ-2018-0470.R1
PMID: 30168769

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Abstract

Recurrent infection following two-stage revision total hip arthroplasty (THA) for prosthetic joint infection (PJI) is a devastating complication. The purpose of this study was to report the survival of repeat two-stage revision hip arthroplasty, describe complications, and identify risk factors for failure. We retrospectively identified 19 hips (19 patients) that had undergone repeat two-stage revision THA for infection between 2000 to 2013. There were seven female patients (37%) and the mean age was 60 years (30 to 85). Survival free from revision was assessed via Kaplan-Meier analysis. The patients were classified according to the Musculoskeletal Infection Society (MSIS) system, and risk factors for failure were identified. Mean follow-up was four years (2 to 11). Gram-positive bacteria were responsible for 16/17 (94%) of the re-infections where microbes were identified. Following the repeat two-stage exchange arthroplasty, survival free from any revision was 74% (95% confidence interval (CI) 56% to 96%, 14 at risk) at two years and 45% (95% CI 25% to 75%, five at risk) at five years. Failure to control infection resulted in re-operation or revision in 42%A of patients (8/19). Survival free from revision was not dependent on host grade. Re-infection after two-stage exchange hip arthroplasty for PJI presents a challenging scenario. Repeat two-stage exchange arthroplasty has a low survival free from revision at five years (45%) and a high rate of re-infection (42%). Cite this article: Bone Joint J 2018;100-B:1157-61.
Humans Middle Aged Risk Factors Kaplan-Meier Estimate Hip Prosthesis - adverse effects Prosthesis-Related Infections - etiology Male Treatment Outcome Arthroplasty, Replacement, Hip - adverse effects Arthroplasty, Replacement, Hip - methods Prosthesis-Related Infections - surgery Reoperation - methods Aged, 80 and over Adult Female Reoperation - adverse effects Aged Retrospective Studies

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