Perioperative mortality after hemiarthroplasty related to fixation method

Darren Costain, Sarah Whitehouse, Nicole Pratt, Stephen Graves, Philip Ryan, Ross Crawford

    Research output: Contribution to journalArticlepeer-review

    49 Citations (Scopus)

    Abstract

    Background and purpose: The appropriate fixation method for hemiarthroplasty of the hip as it relates to implant survivorship and patient mortality is a matter of ongoing debate. We examined the influence of fixation method on revision rate and mortality. Methods We analyzed approximately 25,000 hemiarthroplasty cases from the AOA National Joint Replacement Registry. Deaths at 1 day, 1 week, 1 month, and 1 year were compared for all patients and among subgroups based on implant type. Results Patients treated with cemented monoblock hemiarthroplasty had a 1.7-times higher day-1 mortality compared to uncemented monoblock components (p < 0.001). This finding was reversed by 1 week, 1 month, and 1 year after surgery (p < 0.001). Modular hemiarthroplasties did not reveal a difference in mortality between fixation methods at any time point. Interpretation This study shows lower (or similar) overall mortality with cemented hemiarthroplasty of the hip.

    Original languageEnglish
    Pages (from-to)275-281
    Number of pages7
    JournalActa Orthopaedica
    Volume82
    Issue number3
    DOIs
    Publication statusPublished - May 2011

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