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Correlation between patient age at total hip replacement surgery and lifeexpectancy
Carlos Roberto Schwartsmann1, Leandro de Freitas Spinelli2, Leonardo Carbonera Boschin2
1Universidade Federal de Ciências da Saúde de Porto Alegre e Santa Casa de Misericórdia de Porto Alegre, Ortopedia e Traumatologia, Porto Alegre, RS, Brasil.
Acta Ortopedica Brasileira
|April 9, 2016
Summary
Survival rates after total hip arthroplasty (THA) decline significantly over time. Only 11.6% of patients live 25 years post-THA, highlighting the long-term prognosis for this common orthopedic procedure.
Area of Science:
- Orthopedic Surgery
- Prognostic Studies
- Biostatistics
Background:
- Total hip arthroplasty (THA) is a highly cost-effective orthopedic procedure.
- Long-term survival data following THA is crucial for patient counseling and outcome prediction.
Purpose of the Study:
- To evaluate the long-term survival rates of patients who have undergone total hip arthroplasty.
- To determine the relationship between follow-up duration and survival probability after THA.
Main Methods:
- Extensive literature review of 5,394 papers from PubMed, Embase, and Cochrane Library (1970-2014).
- Inclusion criteria: THA studies with >10-year follow-up, no loss to follow-up, and complete patient survival history.
- Linear regression analysis to assess the correlation between follow-up duration and survival rates.
Main Results:
- Only 15 papers met the rigorous inclusion criteria.
- Mean patient age in analyzed studies was over 57.5 years.
- Survival probability: 57.6% at 15 years, 34.6% at 20 years, and 11.6% at 25 years.
- A significant linear relationship (p <0.001) was found between follow-up duration and survival.
Conclusions:
- Long-term survival after total hip arthroplasty shows a significant decline.
- Less than 12% of patients are expected to survive 25 years post-THA.
- The findings underscore the importance of considering long-term prognosis in THA outcomes.
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