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Journal of Long-Term Effects of Medical Implants

Publicado 4 números por año

ISSN Imprimir: 1050-6934

ISSN En Línea: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

Indexed in

Reconstruction Plate-Based Antibiotic Cement Spacers: Clinical Outcomes and Description of Technique

Volumen 28, Edición 1, 2018, pp. 37-40
DOI: 10.1615/JLongTermEffMedImplants.2017020613
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SINOPSIS

The standard of care for chronic deep peri-prosthetic hip infection is a two-stage exchange with placement of a temporary antibiotic cement spacer and treatment with intravenous antibiotics. Several commercially available cement spacer options exist. We report on a novel antibiotic spacer that may be an efficient, cost-effective alternative. Medical records of all patients treated for deep peri-prosthetic hip infection after total hip arthroplasty between 2004 and 2012 were reviewed. Each antibiotic spacer was constructed from a 12- to 16-hole recon plate bent to provide adequate soft tissue tension and a cement ball that matched the acetabulum. Premature failure of the plate and duration of implantation were measured. Failure was defined as fracture of the plate or dissociation of the cement head from the plate. Costs were compared with commercially available cement spacers. A total of 24 spacers were identified in 21 patients (mean age 68.9 years, mean body-mass index 26.4). The mean time between spacer placement and re-implantation was 6.4 months (range: 1.8–18 months). One patient had an indolent infection that was unresponsive to antibiotic therapy and required a hip disarticulation. At the time of reimplantation, 17 of 17 handmade spacers had no failures. Of the premade spacers, six of the seven had no failures. One premade spacer fractured at the femoral component trunion. The cost of the plate and antibiotic cement was $909–1000, approximately $5000 less than premade spacers. Antibiotic spacers can be readily constructed intraoperatively and offer good clinical outcomes with a low incidence of failure. This type of spacer saved $5000 per patient.

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