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Abstract

Study of High Risk Factors for Lower Extremity Venous Thrombosis after Temporary Cardiac Pacemaker via Femoral Vein

Author(s): J. Wang, Wei Shi and Lingli Wang*
Department of Cardiology, Heart Center, Three Gorges Hospital of Chongqing University, Chongqing 40000, China

Correspondence Address:
Lingli Wang, Department of Cardiology, Heart Center, Three Gorges Hospital of Chongqing University, Chongqing 40000, China, E-mail: wanglingli0319@163.com


This study is to identify the high-risk factors for the occurrence of lower extremity venous thrombosis after temporary cardiac pacemaker via femoral vein. 210 patients who underwent temporary cardiac pacing via the femoral vein at Chongqing University Three Gorges Hospital from January 2017 to August 2022 were selected for the study. The patients were divided into non-thrombosis group (n=198) and thrombosis group (n=12) according to their lower extremity venous thrombosis. Baseline characteristics of the two groups were compared, and binary logistic regression was used to analyze the risk factors for developing lower extremity venous thrombosis after surgery. The proportion of combined diabetes and acute cerebral infarction was higher in the thrombosis group than in the non-thrombosis group, and the indwelling time of temporary pacing electrodes was longer in the thrombosis group than in the non-thrombosis group (p<0.05). Logistic regression presented that combined diabetes, acute cerebral infarction, and long placement time of temporary pacing electrodes were high risk factors for the development of lower extremity venous thrombosis after surgery (p<0.05). The placement duration (d) of temporary pacing electrodes had predictive value for the occurrence of lower extremity venous thrombosis after surgery, with the best predictive value of 3.5 d, sensitivity of 66.7 % and specificity of 80.8 % (p<0.05). Diabetes, acute cerebral infarction and prolonged placement of temporary pacing electrodes are high-risk factors for lower extremity venous thrombosis after temporary cardiac pacing through the femoral vein, and the indwelling time of the temporary pacing electrode (d) more than 3.5 d had a predictive significance for postoperative venous thrombosis of the lower extremity.

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