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Blood Flow Path Reconstruction in Rectal Cancer After High IMA Ligation Through Preoperative and Postoperative Comparison by Manual Subtraction CTA
A total of 89 patients with distal sigmoid and rectal cancer were referred for observation and underwent MS-CTA between June 2020 and March 2022. The distribution of the left colic artery (LCA) was classified, and the presence of the accessory middle colic artery (AMCA) was assessed. Blood flow paths were planned preoperatively based on the classification of LCA branches. High ligation was performed during standard radical surgery. Intraoperatively, particular care was taken to preserve the bifurcation of the ascending and descending branches of the LCA. The planned blood flow paths were then compared with the actual postoperative blood flow paths to validate the previously proposed mechanism.
Age
39 - 81 years
Sex
ALL
Healthy Volunteers
No
Guoqin LIU
Jinan, Shandong, China
Start Date
June 8, 2020
Primary Completion Date
March 8, 2022
Completion Date
March 31, 2022
Last Updated
September 22, 2025
89
ACTUAL participants
no intervention
OTHER
Lead Sponsor
Shandong First Medical University
Collaborators
NCT05128890
NCT06696768
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