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J Bone Jt Infect. 2019 Nov 6;4(6):268-276. doi: 10.7150/jbji.37262. eCollection 2019.

Clinical Outcome of Antibiotic Suppressive Therapy in Patients with a Prosthetic Joint Infection after Hip Replacement.

Author information

1
Department of Orthopedic Surgery, Radboud University Medical Centre Nijmegen, the Netherlands.
2
Department of Internal Medicine/Infectious Diseases, Radboud University Medical Centre Nijmegen, the Netherlands.

Abstract

Introduction: In Specific cases, curative treatment of a prosthetic joint infection (PJI) cannot be accomplished due to the increased risk of major complications after prosthetic joint revision surgery. In these patients, antibiotic suppressive therapy (AST) is often used to control the infection. Aim: To describe the clinical outcome of patients with a PJI after hip replacement treated with AST. Methods: Patients in which AST for PJI was started between 2006 and 2013, were retrospectively included. Follow-up was continued until October 2018. AST has been defined as treatment with oral antibiotic therapy intended to suppress PJI. Treatment was considered successful in patients without reoperation for PJI or death related to PJI during follow-up. Results: Twenty-three patients were included. The most commonly used antibiotics were doxycycline (n=14) and cotrimoxazole (n=6). The mean duration of AST was 38 months (1-151 months). AST was considered successful in 13 patients (56.5%) after a median follow-up of 33 months. AST was least successful in PJI caused by S. aureus with 80% failures versus 33% in PJI caused by other microorganisms and in patients who had an antibiotic-free period before the start of AST with 83% failures. Two patients ended AST due to side effects. Conclusion: AST can be an alternative treatment in selected patients with a PJI after hip replacement. However, there is a persisting and considerable amount of failures, particularly in PJI caused by S. aureus and in patient with an antibiotic-free period before the start of AST.

KEYWORDS:

antibiotic suppressive therapy; hip replacement; prosthetic joint infection

Conflict of interest statement

Competing Interests: The authors have declared that no competing interest exists.

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