• 1. Medical School of Chinese PLA, Beijing 100853, P. R. China;
  • 2. Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, P. R. China;
  • 3. Department of Nursing, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, P. R. China;
GAO Yuan, Email: gaoyuanzd@163.com
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Objective  To explore the influencing factors of muscle calf vein thrombosis (MCVT) after hip and knee arthroplasty. Methods  Convenience sampling method was used to select patients who underwent hip or knee arthroplasty in 4 hospitals in Beijing, Jiangsu and Hainan between March 2021 and May 2022 as the research subjects. They were divided into MCVT group and non-MCVT group according to whether the lower limb MCVT occurred on the 3rd postoperative day. Generalized linear mixed model was used to analyze the influencing factors of MCVT. Results  A total of 278 patients were included, including 47 patients in the MCVT group, accounting for 16.91%, and 231 patients in the non-MCVT group, accounting for 83.09%. Generalized linear mixed model analysis showed that the ambulation on the first postoperative day [odds ratio=0.364, 95% confidence interval (0.159, 0.832), P=0.017] and preoperative activated partial thromboplastin time [odds ratio=0.884, 95% confidence interval (0.785, 0.994), P=0.040] were protective factors for MCVT after hip and knee arthroplasty. Conclusions  The ambulation on the first postoperative day and preoperative activated partial thromboplastin time are protective factors for MCVT after hip and knee arthroplasty. The relationship between hypertension, drainage and MCVT needs to be further explored. Clinical medical staff should pay close attention to the postoperative ambulation of patients undergoing hip and knee arthroplasty, encourage and guide patients to get out of bed early, comprehensively assess the patients’ condition and the risk of postoperative MCVT, and flexibly formulate individualized prevention and treatment plans to avoid the occurrence of MCVT and improve the prognosis.

Citation: GU Siqi, LI Jiahui, SONG Mi, LI Xiaofang, KONG Dan, CHEN Yu’e, GAO Yuan. Analysis of influencing factors of muscular calf vein thrombosis after hip and knee arthroplasty. West China Medical Journal, 2022, 37(10): 1497-1502. doi: 10.7507/1002-0179.202207062 Copy

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