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  • Title: [Psoas abscess associated with hip arthroplasty infection].
    Author: López-Zabala I, García-Ramiro S, Bori G, Gallart X, Tomás X, Fuster D, Mensa J, Soriano A.
    Journal: Rev Esp Quimioter; 2013 Sep; 26(3):198-202. PubMed ID: 24080885.
    Abstract:
    INTRODUCTION: Psoas abscess associated with hip arthroplasty infection is a rare entity. The aim of this report was to review our experience. MATERIAL AND METHODS: Patients with computerized tomography (CT) diagnosis of psoas abscess associated with a hip arthroplasty infection from 2004 to 2009 were retrospectively reviewed. Demographics, microbiological data, CT results and outcome of each patient were recorded. RESULTS: Seven patients out of 214 evaluated by CT due to hip infection suspected were identified. Three women and 4 men, with a mean age of 69 years (range 46-89). Mean abscess diameter was of 62 x 47 mm. In all cases, a direct communication between abscess and prosthesis was observed. The most commonly isolated microorganisms were grampositive cocci. All patients were treated with two-stage revision surgery. After a mean follow-up of 65 months (28-113), six patients were in remission. CONCLUSIONS: The use of CT in the study of suspected infection of a hip arthroplasty identified a psoas abscess in 7 cases out of 214 evaluated. Patients treated with two-stage revision surgery and large debridement was associated with a good clinical outcome.
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