Impact of pathological response after preoperative transcatheter arterial chemoembolization (TACE) on incidences of microvascular invasion and early tumor recurrence in hepatocellular carcinoma: a multicenter propensity score matching analysis

作者：Yun Yang, Zheng Dang, Peng Lü, You‐Wen Qian, Kongying Lin, Ze‐Ya Pan, Wan Yee Lau, Weiping Zhou · 发表于：HepatoBiliary Surgery and Nutrition · 年份：2021 · DOI：10.21037/hbsn-20-700 · 被引用次数：32 · 研究领域：Hepatocellular Carcinoma Treatment and Prognosis、Organ Transplantation Techniques and Outcomes、Cholangiocarcinoma and Gallbladder Cancer Studies

Background: To study the influence of pathological responses (PR) after transcatheter arterial chemoembolization (TACE) on incidences of microvascular invasion (MVI) and early recurrence in hepatocellular carcinoma (HCC) patients. Methods: Between 2013 to 2015, consecutive HCC patients who underwent liver resection with "curative" intent at three hospitals were enrolled in this study. Patients with different areas of PR after preoperative TACE were compared with those without preoperative TACE on the incidences of MVI, early recurrence rates and patterns of recurrence before and after propensity score matching (PSM). Results: Of 1,970 patients, 737 patients who received preoperative TACE were divided into three groups according to the areas of PR: ≥90% (n=226), 60-90% (n=447), and <60% (n=64). PR ≥90% was an independent protective factor of incidences of MVI [odds ratio (OR), 0.144; 95% confidence interval (CI), 0.082-0.245, P<0.001) and early recurrence (HR, 0.742; 95% CI, 0.561-0.963, P=0.032); while PR<60% was an independent risk factor of incidences of MVI (OR, 6.076; 95% CI, 3.004-11.728, P<0.001) and early recurrence (HR, 1.428; 95% CI, 1.095-1.929; P=0.009). Furthermore, patients with PR <60% were significantly more likely to develop multiple intrahepatic recurrences involving multiple hepatic segments when compared with patients without preoperative TACE. Conclusions: This study indicated the area of PR after TACE was closely associated with the incidences of MVI and ...