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  • Title: Clinical characteristics and outcomes of venous thromboembolic events after hallux valgus surgery: insights from the RIETE registry.
    Author: Bikdeli B, Visvanathan R, Weinberg I, Rivas A, Nieto JA, Sampériz Á, Loring M, Vázquez FJ, Yoo HHB, Bikdeli B, Monreal M.
    Journal: J Thromb Thrombolysis; 2020 May; 49(4):651-658. PubMed ID: 31898272.
    Abstract:
    Hallux valgus surgery (HVS) is one of the most common orthopedic procedures, often occurring in older adults. Guidelines provide inconsistent recommendations about venous thromboembolism (VTE) prophylaxis after HVS and data are scarce regarding VTE presentation and outcomes in this population. We reported the clinical characteristics and outcomes of VTE following HVS among patients enrolled in Registro Informatizado Enfermedad TromboEmbolica (RIETE), a prospective multicenter VTE registry. We compared the findings with those of other patients in RIETE. Consecutive patients with VTE post HVS were included in the study. Baseline characteristics, administration of VTE prophylaxis prior to diagnosis, presenting symptoms and signs, risk factors for VTE, and 90-day outcomes including recurrent VTE, major bleeding and death were determined. A total of 54 patients with VTE post HVS were identified in RIETE [median age: 64 (interquartile range 56-71) years; 85.2% female] and were compared with 74,111 VTE patients who had not undergone HVS. Among those with VTE post HVS, 63.0% had received VTE prophylaxis, in contrast to 35.6% in the rest of the RIETE cohort. Simplified Pulmonary Embolism Severity Index was zero in 66.7% of the patients with pulmonary embolism post HVS and 33.3% of other RIETE patients (P = 0.011). Compared with other VTE patients, use of estrogens was higher in HVS group (13.0% vs 5.4%, P = 0.01). All patients with VTE post HVS (100%) and most of other VTE patients (99.6%) were treated with anticoagulation, most commonly with low-molecular weight heparins. In contrast to the rest of the patients in RIETE, the absolute number of all fatal and non-fatal outcomes at 90 days was zero in the post HVS group (i.e. no deaths, no recurrence of VTE, and no major bleeding). In a large registry of patients with VTE, all patients with VTE post HVS underwent anticoagulation. These patients had much better outcomes than the rest of VTE patients, with no deaths, recurrences or major bleeding events at 90-day follow-up.
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