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Background:  infection of a total hip arthroplasty is one of the most serious complications, and the revision can be accomplished in one or two surgical stages. The aim of this study was to evaluate a prospective series of patients with infected total hip arthroplasty with a two-stage revision.  Methods:  We evaluated 72 two-stage revisions of infected total hip arthroplasty (subacute and chronic), in 71 patients, with an average follow-up of 6.4 years (1 to 12 years). A cement spacer with antibiotics was used in all cases. Results:  Infection resolved in 96% of cases (69 hips). We used 59 spacers which were “hand-made” in the operating room (82%) and 13 prefabricated ones. The most common pathogen was coagulase-negative Staphylococcus (23 cases). There were 8 complications: 4 spacer dislocations, 2 peri-spacer fractures and 2 spacer fractures. Conclusion:  Two-stage revisions show excellent cure rates of infection. Success depends on an extensive surgical debridement, on the use of a spacer with the appropriate antibiotic and on a customized postoperative antibiotic protocol.

Revisión en dos tiempos del reemplazo total de cadera infectado