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Common risk factors of deep vein thrombosis after arthroscopic posterior cruciate ligament reconstruction: a 5-year retrospective study


 Background To analyse the common risk factors of deep venous thrombosis (DVT) after knee arthroscopic posterior cruciate ligament (PCL) reconstruction in patients with PCL injury. Methods From August 2014 to December 2019, a total of 86 patients who had accepted knee arthroscopic PCL reconstruction underwent the color Doppler ultrasound of bilateral lower-extremities deep veins on 3 days postoperatively. Based on the inspection results, patients were divided into DVT group (9 males and 4 females, mean age 43.62 years) and non-DVT group (54 males and 19 females, mean age 33.96 years). The potential associations of DVT risk and age, gender, body mass index (BMI), diabetes, hypertension, smoking and other factors were analysed. Results High BMI and post-surgery D-dimer values were significantly associated with DVT risk. Conclusions Increased BMI and postoperative D-dimer levels are risk factors of DVT following knee arthroscopic PCL reconstruction in patients with PCL injury.