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Comparative Study
. 2011 Jun;82(3):275-81.
doi: 10.3109/17453674.2011.584208. Epub 2011 May 11.

Perioperative mortality after hemiarthroplasty related to fixation method

Darren J Costain  1 , Sarah L Whitehouse, Nicole L Pratt, Stephen E Graves, Philip Ryan, Ross W Crawford
Affiliations
Comparative Study

Perioperative mortality after hemiarthroplasty related to fixation method

Darren J Costain et al. Acta Orthop. 2011 Jun.

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.

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Figures

Figure 1.
Figure 1.
All-cause mortality in cemented and uncemented hemiarthroplasty patients.
Figure 2.
Figure 2.
All-cause mortality for cemented and uncemented monoblock hemiarthroplasty.
Figure 3.
Figure 3.
All-cause mortality in cemented and uncemented monoblock hemiarthroplasty patients stratified by age.
Figure 4.
Figure 4.
All-cause mortality in patients with cemented and uncemented modular components.
See this image and copyright information in PMC

References

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