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The Canadian Joint Replacement Registry-what have we learned?
Eric R Bohm1, Michael J Dunbar, Robert Bourne
1Canadian Joint Replacement Registry and Section of Orthopedic Surgery, University of Manitoba, Winnipeg. ebohm@cjrg.ca
Acta Orthopaedica
|February 23, 2010
Summary
Canadian hip and knee replacements increased significantly, with women undergoing more procedures than men. Variations in arthroplasty rates across provinces highlight the need for improved data capture by the Canadian Joint Replacement Registry (CJRR).
Area of Science:
- Orthopedic Surgery
- Health Services Research
- Biostatistics
Background:
- The Canadian Joint Replacement Registry (CJRR) was established in 2000 to track hip and knee replacements.
- Data is collected voluntarily by surgeons and linked with administrative hospital data.
- In 2006-2007, 62,196 hip and knee replacements were performed in Canada (excluding Quebec).
Purpose of the Study:
- To report on trends and variations in hip and knee replacement procedures in Canada.
- To identify demographic differences in arthroplasty rates.
- To highlight challenges and future directions for the CJRR.
Main Methods:
- Analysis of data from the Canadian Joint Replacement Registry (CJRR) for fiscal year 2006-2007.
- Calculation of age-adjusted rates for total knee arthroplasty (TKA) and total hip arthroplasty (THA).
- Comparison of arthroplasty rates between genders and across Canadian provinces.
Main Results:
- Hip and knee replacement hospitalizations increased by 101% over 10 years and 6% in the last year.
- Canadian women have higher age-adjusted rates for TKA (148 vs. 110) and THA (86 vs. 76) compared to men.
- Significant inter-provincial variations in arthroplasty rates and implant utilization exist, not fully explained by demographics.
Conclusions:
- Arthroplasty rates are increasing, with notable gender and regional disparities.
- The CJRR aims to improve data capture to over 90% to enhance understanding of arthroplasty outcomes.
- Future registry data will provide crucial insights into factors influencing joint replacement success.
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