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Are Revision Hip Arthroplasty Patients at Higher Risk for Venous Thromboembolic Events Than Primary Hip Arthroplasty Patients?
Are Patients Getting Repeat Hip Replacement Surgery More Likely to Have Blood Clots Than Those Having Their First Hip Replacement?
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Abstract
Revision total hip arthroplasty (THA) had a higher rate of deep vein thrombosis (DVT) at 0.6% compared to primary THA at 0.4% (P = .016).
- There was no significant difference in the rate of pulmonary embolism (PE) between revision THA (0.3%) and primary THA (0.2%) (P = .116).
- After controlling for confounding variables, revision surgery was not identified as a risk factor for DVT or PE.
- Independent risk factors for DVT included age over 70 years, malnutrition, infection, prolonged operating time, general anesthesia, high ASA classification, and kidney disease.
- The probability of DVT varied significantly, ranging from 0.2% with no risk factors to 10% when all identified risk factors were present.
- Independent risk factors for PE included age over 70 years, African American ethnicity, and prolonged operating time, with probabilities ranging from 0.2% to 1.1%.
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