Low Level of Postoperative Plasma Antithrombin III is Associated with Portal Vein Thrombosis after Liver Surgery
Surgery today(2021)
摘要
Although decreased antithrombin-III (AT-III) is a risk factor for portal vein thrombosis (PVT) in patients with liver cirrhosis, the association between postoperative PVT and postoperative AT-III levels is unknown in patients undergoing hepatectomy. Patients who underwent hepatectomy between 2015 and 2018 were retrospectively analyzed. Postoperative PVT was assessed on CT at days 6–9 after hepatectomy. One-to-one propensity score (PS) matching was used to match the baseline characteristics. Of the 295 patients included in this analysis, 19 patients (6.4%) were diagnosed with postoperative PVT. The AT-III level on postoperative day (POD) 3 predicted postoperative PVT with a sensitivity/specificity of 74%/59% (AUC, 0.644; cut-off value, 60%; p = 0.032). Multivariate analysis revealed that AT-III levels ≤ 60% on POD3 (OR, 3.01; 95% CI 1.02–8.89; p = 0.046), cirrhosis (OR, 5.88; 95% CI 1.92–18.0; p = 0.002) and right-sided hepatectomy (OR, 4.16; 95% CI 1.45–11.9; p = 0.0079) were significant risk factors for postoperative PVT. After PS matching, 56 patients with and without AT-III supplementation were analyzed. The two groups had a similar incidence of PVT (p = 0.489). Patients with AT-III levels ≤ 60% on POD3 should be carefully followed up regarding postoperative PVT. Our results did not support the efficacy of routine AT-III supplementation for the prophylaxis of postoperative PVT.
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关键词
AT-III,PVT,Hepatectomy
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