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Mortality following primary total knee arthroplasty.
Gurdev S Gill1, David Mills, Atul B Joshi
1Covenant Medical Center, Lubbock. Texas 79410, USA. ggills@aol.com
The Journal of Bone and Joint Surgery. American Volume
|March 15, 2003
Summary
The 90-day mortality rate after primary total knee arthroplasty is 0.46%. Advanced patient age and cardiovascular disease increase mortality risk following this common orthopaedic procedure.
Area of Science:
- Orthopaedic Surgery
- Patient Outcomes Research
Background:
- Total joint arthroplasty is a highly successful orthopaedic procedure.
- Perioperative mortality remains a risk associated with total joint arthroplasty.
- Understanding mortality rates is crucial for patient selection and surgical planning.
Purpose of the Study:
- To determine the mortality rate for primary total knee arthroplasty.
- To investigate mortality within a private-practice, non-teaching setting.
- To identify risk factors associated with mortality after knee replacement surgery.
Main Methods:
- Retrospective analysis of 3048 primary total knee arthroplasties.
- Data collected from July 1976 to December 1996.
- Mortality assessed intraoperatively, during hospitalization, and within 90 days post-surgery.
- Comorbidities, specifically major cardiovascular disease, were recorded.
Main Results:
- The 90-day mortality rate was 0.46% (14 of 3048 patients).
- This equates to one death per 217 primary total knee arthroplasties.
- No intraoperative or in-hospital deaths were reported in the study period.
Conclusions:
- Advanced patient age is a significant risk factor for mortality.
- The presence of cardiovascular comorbidities increases mortality risk.
- This data aids in decision-making regarding total knee arthroplasty appropriateness.