New surgical technique for low anterior resection with anal sphincter preservation: coloanal intussusception anastomosis

doi:10.3877/cma.j.issn.1674-3946.2025.06.008

Abstract

Abstract:

Objective

To introduce a new surgical technique for low anterior resection with anal sphincter preservation: coloanal intussusception anastomosis.

Methods

A descriptive study was conducted on two typical cases, using an optimized anastomotic method that integrates the advantages of Parks procedure and modified Bacon procedure.

Results

Both patients underwent successful surgery without stoma. The average anastomosis time was 22 minutes. Ischemic intestinal loops completely sloughed off within 3 to 8 days. The anal appearance was favorable, with no anastomotic fistula. Both the surgeon’s operational convenience and the patients’ postoperative comfort (pain and perianal discomfort) were satisfactory.

Conclusion

Coloanal intussusception anastomosis is a feasible anastomotic technique, applicable to various anal-sphincter-preserving needs where double-stapling anastomosis is infeasible. It shows research prospects in reducing the incidence of anastomotic leakage and the utilization rate of protective stomas.

Key words: Low Rectal Tumors, Colonic-Anal Intussusception Anastomosis, Botulinum Toxin, Anastomotic Fistula, Preventive Ostomy

Jinzhe Zhou, Xianqing Wang, Ziqiang Li, Qimeng Shi, Jiuqiang Zhang, Liangchen Zhu, Qi Huang, Bujun Ge. New surgical technique for low anterior resection with anal sphincter preservation: coloanal intussusception anastomosis[J]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2025, 19(06): 619-623.

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References 13

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