Periprosthetic Hip Joint Infection Involving Fusobacterium nucleatum With Subsequent Isolation of Acinetobacter baumannii: A Case Report
Stamatios A Papadakis, Stavros Lykos, Dimitrios Pallis, Panagiotis Mantzanas, Nikolaos Paraskevopoulos, Spyros Kamariotis
TL;DR
A rare case of hip infection caused by two bacteria, Fusobacterium nucleatum and Acinetobacter baumannii, required multiple surgeries and targeted treatment to resolve successfully.
Contribution
This case report highlights the microbiological evolution and management challenges in periprosthetic joint infections involving rare bacterial species.
Findings
Initial treatment with DAIR failed to resolve the infection caused by Fusobacterium nucleatum.
Subsequent isolation of Acinetobacter baumannii required tailored antimicrobial therapy and multiple surgical interventions.
Staged revision arthroplasty and prolonged treatment led to successful infection eradication and functional recovery.
Abstract
Periprosthetic joint infection (PJI) is a serious complication following total hip arthroplasty and is most commonly caused by Gram-positive organisms. Infections involving anaerobic bacteria or multidrug-resistant Gram-negative pathogens are rare and particularly challenging to manage. We report a case of periprosthetic hip infection in a female patient in whom Fusobacterium nucleatum (F. nucleatum) was initially isolated, followed by Acinetobacter baumannii (A. baumannii) later in the treatment course. Initial management with debridement, antibiotics, and implant retention (DAIR) was unsuccessful, necessitating implant removal, placement, and subsequent removal of a cement spacer, as well as prolonged targeted antimicrobial therapy, including cefiderocol. Following staged revision arthroplasty, successful infection eradication was achieved with an excellent functional outcome. This…
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Taxonomy
TopicsOrthopedic Infections and Treatments · Orthopaedic implants and arthroplasty · Bone fractures and treatments