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Published on: January 23, 2018
Summary
Long-term total hip replacement studies show updated failure rates. The first study had a 1.5% failure rate, while the second, updated series showed a 2.6% failure rate over 13 years.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Wrightington Hospital conducted two long-term total hip replacement studies.
- Previous findings were published in 1977.
Purpose of the Study:
- To present updated, more readable findings from two long-term total hip replacement studies.
- To analyze and compare the failure rates of hip replacement surgeries over extended periods.
Main Methods:
- Review of hospital records for secondary operations to update study durations.
- Analysis of failure rates from two distinct patient cohorts undergoing total hip replacement.
Main Results:
- The first study averaged 13 years with a 1.5% failure rate.
- The second study, updated to 13 years, showed a 2.6% failure rate.
- A difference in failure rates between the two series was observed.
Conclusions:
- Updated long-term data reveals a higher failure rate in the second total hip replacement series.
- Further investigation is suggested to understand the reasons behind the differing failure rates.
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