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Laparoscopic D3 Lymph Node Dissection with Left Colic Artery and First Sigmoid Artery Preservation in Rectal Cancer

Overview
Publisher Biomed Central
Date 2023 Mar 5
PMID 36872346
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Abstract

Background: D3 lymph node dissection with left colic artery (LCA) preservation in rectal cancer surgery seems to have little effect on reducing postoperative anastomotic leakage. So we first propose D3 lymph node dissection with LCA and first sigmoid artery (SA) preservation. This novel procedure deserves further study.

Methods: Rectal cancer patients who underwent laparoscopic D3 lymph node dissection with LCA preservation or with LCA and first SA preservation between January 2017 and January 2020 were retrospectively assessed. The patients were categorized into two groups: the preservation of the LCA group and the preservation of the LCA and first SA group. A 1:1 propensity score-matched analysis was performed to decrease confounding.

Results: Propensity score matching yielded 56 patients in each group from the eligible patients. The rate of postoperative anastomotic leakage in the preservation of the LCA and first SA group was significantly lower than that in the LCA preservation group (7.1% vs. 0%, P=0.040). No significant differences were observed in operation time, length of hospital stay, estimated blood loss, length of distal margin, lymph node retrieval, apical lymph node retrieval, and complications. A survival analysis showed patients' 3-year disease-free survival (DFS) rates of group 1 and group 2 were 81.8% and 83.5% (P=0.595), respectively.

Conclusion: D3 lymph node dissection with LCA and first SA preservation for rectal cancer may help reduce the incidence of anastomotic leakage without compromising oncological outcomes compare with D3 lymph node dissection with LCA preservation alone.

Citing Articles

Comparison of short-term surgical outcomes between high and low tie ligation of the inferior mesenteric artery in robotic rectal cancer surgery: a propensity score matching analysis.

Yuan Y, Ju H, Liu Y, Liang Y, Li T, Liu Y J Robot Surg. 2025; 19(1):41.

PMID: 39754668 DOI: 10.1007/s11701-024-02209-w.

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