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Journal of Bone and Joint Infection An open-access journal of the European Bone and Joint Infection Society and the MusculoSkeletal Infection Society
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Volume 2, issue 3
J. Bone Joint Infect., 2, 127–135, 2017
https://doi.org/10.7150/jbji.16429
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
J. Bone Joint Infect., 2, 127–135, 2017
https://doi.org/10.7150/jbji.16429
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

Original full-length article 20 Mar 2017

Original full-length article | 20 Mar 2017

Treatment Challenges of Prosthetic Hip Infection with Associated Iliacus Muscle Abscess: Report of 5 Cases and Literature Review

Joshua M. Lawrenz, Nathan W. Mesko, Carlos A. Higuera, Robert M. Molloy, Claus Simpfendorfer, and Maja Babic Joshua M. Lawrenz et al.
  • Cleveland Clinic Foundation, 9500 Euclid Ave.Cleveland, OH 44195, USA

Keywords: iliopsoas abscess, total hip arthroplasty, prosthetic joint infection.

Abstract. Prosthetic joint infection is an unfortunate though well-recognized complication of total joint arthroplasty. An iliacus and/or iliopsoas muscle abscess is a rarely documented presentation of hip prosthetic joint infection. It is thought an unrecognized retroperitoneal nidus of infection can be a source of continual seeding of the prosthetic hip joint, prolonging attempts to eradicate infection despite aggressive debridement and explant attempts. The current study presents five cases demonstrating this clinical scenario, and discusses various treatment challenges.

In each case we report the patient's clinical history, pertinent imaging, management and outcome. Diagnosis of the iliacus muscle abscess was made using computed tomography imaging. In brief, the mean number of total drainage procedures (open and percutaneous) per patient was 4.2, and outcomes consisted of one patient with a hip girdlestone, two patients with delayed revisions, and two patients with retained prosthesis. All patients ended with functional pain and on oral antibiotic suppression with an average follow up of 18 months.

This article highlights an iliacus muscle abscess as an unrecognized source of infection to a prosthetic hip. It demonstrates resilience to standard treatment protocols for prosthetic hip infection, and is associated with poor patient outcomes. Aggressive surgical debridement appears to remain critical to treatment success, and early retroperitoneal debridement of the abscess should be considered.

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