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Risk factors for deep vein thrombosis of the lower extremity after total hip arthroplasty
Lin Hang1,2, Abuduwupuer Haibier1,2, Aiben Kayierhan1,2
1Sixth Afliated Hospital of Xinjiang Medical University, Orthopaedic Hospital of Xinjiang Uygur Autonomous Region, No.39 Wuxing Road, Urumqi, People's Republic of China.
Insights
Diabetes mellitus, elevated fibrinogen, D-dimer, and INR are key risk factors for deep vein thrombosis (DVT) after total hip arthroplasty (THA). Early assessment and intervention are crucial for improving patient outcomes.
Area of Science:
- Orthopedic Surgery
- Vascular Medicine
- Thrombosis Research
Background:
- Deep vein thrombosis (DVT) is a significant complication following total hip arthroplasty (THA).
- Identifying risk factors is crucial for effective prevention strategies and improved patient outcomes.
Purpose of the Study:
- To investigate the independent risk factors associated with the development of DVT after THA.
- To provide data for targeted DVT prophylaxis in THA patients.
Main Methods:
- Retrospective analysis of 462 patients undergoing THA.
- Comparison of demographic and clinical variables between DVT and non-DVT groups.
- Univariate and binary logistic regression analyses to identify risk factors.
Main Results:
- Diabetes mellitus, elevated preoperative fibrinogen, elevated preoperative D-dimer, and elevated preoperative International Normalized Ratio (INR) were identified as significant risk factors for DVT.
- These factors were independently associated with an increased risk of DVT post-THA.
Conclusions:
- Diabetes mellitus, elevated preoperative fibrinogen, D-dimer, and INR are independent predictors of DVT after THA.
- Targeted screening and management of these factors are recommended to reduce DVT incidence and enhance THA success.
Objective:
To investigate the risk factors for deep vein thrombosis (DVT) following total hip arthroplasty (THA).
Methods:
Patients who underwent THA in the Department of Joint Surgery at the Sixth Affiliated Hospital of Xinjiang Medical University from September 2020 to December 2022 were retrospectively selected based on inclusion criteria. They were divided into the DVT group (n = 65) and the non-DVT group (n = 397) according to the occurrence of postoperative DVT. The following variables were reviewed for both groups: age, sex, Body Mass Index (BMI), affected limb, previous history (smoking and drinking), diabetes, hypertension, operation time, total cholesterol, triglycerides, fibrinogen, hemoglobin, albumin, platelets, D-dimer, International Normalized Ratio (INR), and fibrin degradation products. Univariate analysis was conducted on these factors, and those with statistical significance were further analyzed using a binary logistic regression model to assess their correlation with DVT after THA.
Results:
A total of 462 patients were included in the study, with the DVT group representing approximately 14% and the non-DVT group approximately 86%. The DVT group had an average age of 67.27 ± 4.10 years, while the non-DVT group had an average age of 66.72 ± 8.69 years. Univariate analysis revealed significant differences in diabetes mellitus, preoperative fibrinogen, preoperative D-dimer, preoperative INR, and preoperative and postoperative fibrin degradation products between the DVT and non-DVT groups. Binary logistic regression analysis identified diabetes mellitus, elevated preoperative fibrinogen, preoperative D-dimer, and preoperative INR (p < 0.05) as risk factors for DVT after THA.
Conclusion:
This study found that diabetes mellitus, elevated preoperative fibrinogen, preoperative D-dimer, and preoperative INR are independent risk factors for DVT following THA. Surgeons should thoroughly assess these risk factors, implement timely and effective interventions, and guide patients to engage in functional exercises as early as possible to reduce the incidence of DVT, thereby improving the outcomes of THA and improving patient quality of life.
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