ObjectiveTo analyze the clinical efficacy of transcatheter arterial chemoembolization (TACE) combined with microwave ablation in the treatment of gastrointestinal tumor with liver metastasis. MethodsA total of 40 patients with liver metastasis from gastrointestinal tumor were selected and divided into observation group or control group according to the random number table method, with 20 cases in each group. The observation group received TACE combined with microwave ablation, while the control group received TACE treatment. The clinical efficacy, the change of T cell subsets before and after treatment, and the survival rate at the time of 3, 6 and 12 months after treatment were compared between the two groups. ResultsThe total effective rate of the observation group was higher than that of the control group (P＜0.05). The level of CD8+ in the observation group decreased significantly after treatment, while CD3+, CD4+, CD4+ / CD8+ increased significantly (all P＜0.05); meanwhile, there were statistically significant differences between the two groups in the abovementioned indexes after treatment (all P＜0.05). The twelve-month survival rate was significantly higher in the observation group than in the control group (P＜0.05). ConclusionTACE combined with microwave ablation is effective in the treatment of gastrointestinal tumor with liver metastasis, for it can prominently improve the body immune function, and increase the survival rate of patients after operation, indicating it is worthy of clinical promotion.

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