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Complication rates of bilateral total hip versus unilateral total hip arthroplasty are similar
Travis R Flick1, Sione A Ofa1, Akshar H Patel1
1Department of Orthopaedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA.
Insights
Simultaneous bilateral total hip arthroplasty (THA) is safe and effective, showing lower infection rates. Unilateral THA had a shorter hospital stay, but bilateral THA offers comparable outcomes for select patients.
Area of Science:
- Orthopedic Surgery
- Arthroplasty Research
- Patient Outcomes Analysis
Background:
- Total hip arthroplasty (THA) is a common procedure for hip joint issues.
- Comparing simultaneous bilateral THA with unilateral THA is crucial for surgical decision-making.
Purpose of the Study:
- To compare patient demographics and clinical outcomes between simultaneous bilateral THA and unilateral THA.
- To identify differences in complication rates and hospital stay duration.
Main Methods:
- Analysis of a nationwide administrative claims database.
- Comparison of in-hospital, 90-day, and 1-year post-discharge complication rates.
- Multivariate logistic regression was used for outcome comparison.
Main Results:
- Simultaneous bilateral THA demonstrated a significantly lower incidence of prosthetic joint infection.
- Unilateral THA was associated with a significantly shorter length of hospital stay.
- Patient demographics and other clinical outcomes were also compared.
Conclusions:
- Simultaneous bilateral THA is a safe and effective option for carefully selected low-risk patients.
- Consideration of patient comorbidities is important when evaluating bilateral THA suitability.
- This approach may offer benefits for appropriate patient populations.
Objective:
Utilize a nationwide database to identify and compare the differences between patient demographics and clinical outcomes for patients undergoing simultaneous bilateral total hip arthroplasty (THA) and unilateral THA.
Methods:
A nationwide administrative claims database was utilized; In-hospital, 90-day, and 1-year post-discharge rates of local and systemic complications were collected and compared with multivariate logistic regression.
Results:
Incidence of prosthetic joint infection was significantly lower in the bilateral cohort. Length of stay was significantly shorter in the unilateral THA cohort.
Conclusion:
Surgeons should consider simultaneous bilateral THA a safe and effective procedure for low risk patients with appropriate comorbidities.

