• Qi Zhang, Xuan Sun, Jingbo Pan, and Dan Liu.
• Department of Osteoarthritis, Yantai City Yantai Shan Hospital, Yantai, Shandong, China.
• Brit J Hosp Med. 2025 Jan 24; 86 (1): 1131-13.

AbstractAims/Background Deep venous thrombosis (DVT) represents a significant postoperative complication after artificial femoral head replacement, with the incidence increasing proportionally with patient age. This study aimed to evaluate the effect of early postoperative use of intermittent pneumatic compression devices (IPC), followed by the combined use of low molecular weight heparin (LMWH) after 48 hours, for the prevention of postoperative lower limb DVT in elderly patients undergoing hip arthroplasty. Methods The retrospective study included 100 elderly patients who underwent unilateral femoral head replacement. The control group (n = 55) received combined LMWH initiated 12 hours postoperatively, while the observation group (n = 45) started combined LMWH 48 hours postoperatively. Changes in coagulation parameters, perioperative complications, and the incidence of postoperative lower limb DVT were compared between the two groups. Results Coagulation parameters showed significant changes post-intervention in both groups, with no statistically significant inter-group differences observed post-intervention (p > 0.05). The incidence of postoperative lower limb DVT did not differ significantly between the two groups (p > 0.05). However, the observation group demonstrated significantly lower postoperative blood loss, incidence of periwound hematoma, and transfusion rates compared to the control group (p < 0.05). Conclusion The sequential application of IPC in the early postoperative period, followed by combined LMWH administration after 48 hours, demonstrates comparable efficacy in preventing lower limb DVT formation in elderly patients undergoing hip arthroplasty when compared to the initiation of combined LMWH starting 12 hours postoperatively. In addition, this approach significantly reduces the risk of postoperative bleeding and exhibits a high safety profile.

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