Effect of different application duration of a venous foot pump on prevention of venous thromboembolism after hip and knee arthroplasty: A multicenter prospective clinical trial

Author:

GU Siqi1,Chen Yu-e2,Lei Mingxing2,Li Jiahui2,Li Wanying2,Zhang Meihong3,Zhu Hongxia4,Ma Mengying5,Kong Dan2,Gao Yuan6

Affiliation:

1. Medical School of Chinese PLA

2. The First Medical Center of Chinese PLA General Hospital

3. The Fourth Medical Center of Chinese PLA General Hospital

4. The First Affiliated Hospital of Soochow University

5. Hainan Hospital, PLA General Hospital

6. The First Medical Center of Chinese PLA General

Abstract

Abstract Objective: To investigate the optimal duration of applying a venous foot pump (VFP) in the prevention of venous thromboembolism (VTE) following hip and knee arthroplasty. Methods: A total of 230 patients undergoing hip and knee arthroplasty between March 2021 and March 2022 in orthopedic departments of four major teaching hospitals were prospectively enrolled. Patients were randomly divided into five groups based on the duration of the VFP application. Postoperative deep vein thromboses (DVT), including proximal, distal, and intermuscular DVT, were recorded for analysis. Postoperative blood coagulation examinations, such as D-dimer and active partial thromboplastin time (APTT), pain outcome, and degree of comfort were also collected. Results: Two of the 230 patients withdrew due to early discharge from the hospital, and 228 patients were included in the final analysis. The mean age was 60.38 ± 13.33 years. The baseline characteristics were comparable among the five groups. Compared with the other groups, patients treated with 6-hour VFP had the lowest incidence of DVT (8.7%, 4/46), followed by those treated with 1-hour VFP (15.2%, 7/46), 12-hour VFP (15.6%, 7/45), 18-hour VFP(17.8%, 8/45) and 20-hour VFP(21.7%, 10/46), but with no significant difference (P = 0.539). Regarding postoperative blood coagulation examinations, patients treated with 6-hour VFP had the lowest D-dimer (P = 0.658) and the highest APTT (P= 0.262) compared with the other four groups. 6-hour VFP also had the lowest pain score (P = 0.206) and the highest comfort score (P = 0.288) compared with the other four groups. Conclusions: Six hours may be the optimal duration of applying VFP for the prevention of VTE in patients undergoing hip and knee arthroplasty in terms of VTE incidence, postoperative blood coagulation examinations, pain outcomes, and comfort scores.

Publisher

Research Square Platform LLC

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