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全直肠系膜切除术（TME）是治疗中低位直肠癌的标准术式。吻合口漏一直是中低位直肠癌患者手术的严重并发症之一。吻合口血供、张力及肠管质量等是影响吻合口质量的重要因素。如何优化手术技术、减少吻合口漏的发生，是外科医生追求的目标。笔者在传统TME基础上，整合多项手术技术，包括保留左结肠动脉、高位离断肠系膜下静脉、模式化游离结肠脾曲和左侧横结肠、多平面结肠系膜裁剪以及选择性吻合口加强，提出了“多技术整合TME”的理念。并结合临床实践，探讨多技术整合TME在中低位直肠癌手术中的应用及意义。

Total mesorectal excision is the standard procedure for the treatment of low and medium rectal cancer. Anastomotic leakage has always been one of the serious complications in these patients. Blood supply, tension and intestinal condition are important factors affecting anastomotic quality. How to optimize the surgical technique and reduce the occurrence of anastomotic leakage is the goal of surgeons. Based on traditional total mesorectal excision, we integrated several surgical techniques, including (1) Preserving the left colic artery; (2) High ligation of the inferior mesenteric vein; (3) Patterned mobilization of the spleen flexure and left transverse colon; (4) Multi-plane mesocolic tailoring; (5) Selective anastomosis suturing, and proposed the concept of multi-technique integrated total mesorectal resection (MTI-TME). The application of MTI-TME in clinical practice and significance was discussed.