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Clin Orthop Relat Res. 2004 Oct;(427):37-46.

Successful treatment of total hip and knee infection with articulating antibiotic components: a modified treatment method.

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1
Cherry Creek Orthopaedic Specialists, Denver, CO 80206, USA. ccos@att.net

Abstract

There are many problems associated with the use of articulating antibiotic cement spacer blocks and articulating components in the two-stage treatment of total hip replacement and total knee replacement infections. These include loss of motion during and after treatment, bone loss, generation of cement debris, inadequate dosing of cement with the appropriate antibiotic, and biologic failure. Forty-four patients with 54 consecutive periprosthetic hip and knee infections (31 septic total knee arthroplasties and 23 septic total hip arthroplasties) had treatment with a modified two-stage reimplantation protocol using articulating components made of antibiotic-cement-only prosthetic components and antibiotic-cement-covered prosthetic components between January 1995 and May 2002. Second-stage revision, after six weeks of parenteral antibiotics, was completed an average of 84 days after the first stage. A minimum two-year followup after final treatment is evaluated. One of the 23 total hip replacement infections persisted or recurred with the original organism(s) after treatment (95.7% success) as did two of the 31 total knee replacement infections (93.5% success). Combined success rate was 94.4%. This modified treatment method incorporates early range of motion during first-stage treatment with articulating components that provide local high-dose elution of broad-spectrum antibiotics, provides the flexibility of customizing the antibiotic cement components with culture-directed antibiotics, and results in a high biologic success rate.

PMID:
15552134
[Indexed for MEDLINE]
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