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Death after Total Hip Arthroplasty in Patients with Compensated Heart Failure: Retrospective Cohort Study
Raj Amin1, Wade Banta2, Ryan Guilbalt3
1Orthopaedic Surgery University of California-Fresno.
Insights
Congestive heart failure (CHF) increases mortality risk in patients undergoing hip surgery for femoral neck fractures. Hemiarthroplasty may be a safer option than total hip arthroplasty for patients with moderate to severe CHF.
Area of Science:
- Orthopedic Surgery
- Cardiology
- Public Health
Background:
- Total hip arthroplasty (THA) is preferred for femoral neck fractures, but congestive heart failure (CHF) poses a significant mortality risk.
- The impact of CHF severity on mortality following THA versus hemiarthroplasty for femoral neck fractures requires further investigation.
Purpose of the Study:
- To evaluate the association between congestive heart failure (CHF) severity and 30-day postoperative mortality after total hip arthroplasty (THA) and hemiarthroplasty for acute femoral neck fractures.
- To compare the mortality risks associated with THA and hemiarthroplasty in patients with varying degrees of CHF.
Main Methods:
- Retrospective cohort study using the National Surgical Quality Improvement database.
- Inclusion of patients treated for acute, closed, intracapsular femoral neck fractures.
- Stratification of patients based on New York Heart Association (NYHA) CHF categories (mild, moderate, severe) and surgical procedure (THA vs. hemiarthroplasty).
Main Results:
- Overall 30-day mortality was 2.1% for THA and 5.4% for hemiarthroplasty.
- Mortality increased with CHF severity for both procedures.
- Patients with mild and moderate CHF undergoing THA had significantly higher adjusted odds ratios for 30-day mortality compared to hemiarthroplasty.
Conclusions:
- Congestive heart failure (CHF) is associated with increased 30-day mortality after total hip arthroplasty (THA) for femoral neck fractures, indicating CHF is not a modifiable risk factor in this context.
- Hemiarthroplasty presents a potentially safer surgical option for patients with congestive heart failure (CHF) undergoing treatment for femoral neck fractures, given the observed mortality trends.
Abstract:
Total hip arthroplasty (THA) is the preferred treatment for femoral neck fracture when functional longevity is expected, but congestive heart failure (CHF) is a risk factor for mortality. The hypothesis of this study is that mortality risk increases with disease severity, influencing the choice between total and hemiarthroplasty. This study queried the National Surgical Quality Improvement database for patients treated for an acute, closed, intracapsular femoral neck fracture, identifying 4486 THA and 34 282 hemiarthroplasty recipients. Subjects were stratified by preoperative risk factors, New York Heart Association categories of mild, moderate, and severe CHF, and odds of death within 30 days. The 30-day postoperative mortality rates for total and hemiarthroplasty were 2.1% (n = 95) and 5.4% (n = 1857), respectively. The 30-day postoperative mortality of patients undergoing THA with mild CHF was 14.3%, and moderate CHF was 21.4%., and for patients undergoing hemiarthroplasty with mild CHF was 11.4%, moderate CHF was 13.9%, and severe CHF was 18.4%. Mild (adjusted odds ratio [AOR] 1.63, 95% Confidence Interval [CI] 1.24-2.14), moderate (AOR 2.21, CI 1.49-3.30), and severe (AOR 2.89, CI 1.41-5.93) CHF was associated with death within 30 days of hemiarthroplasty. Mild (AOR 5.37, 95% CI 2.16-13.38) and moderate (AOR 12.00, CI 3.42-42.17) CHF was associated with death within 30 days of THA. Patients with CHF had increased mortality after THA for acute femoral neck fracture, suggesting it is not a modifiable risk factor. Hemiarthroplasty is a reasonable choice with CHF given evidence of unfavorable survival.
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