Abstract
The mortality of two-stage reimplantation for periprosthetic joint infection in patients over the age of 80 has not previously been studied. We retrospectively reviewed 134 elderly patients undergoing two-stage reimplantation at 90days, 1year and 5years and compared them to a matched cohort who underwent single-stage aseptic total joint revision. There was no significant difference in preoperative comorbidities between groups. The mortality rates for the two-stage and aseptic groups were 39.9% and 34.1% respectively with an overall mortality rate of 36.7%. There was no significant difference in mortality at any time point (95% CI: 29.4, 43.1). Two-stage reimplantation does not significantly increase the mortality of patients over the age of 80 when compared to a matched cohort undergoing aseptic revision at our institution.
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