Study population
left colic artery
RECTAL CANCER
This is a prospective randomized controlled trial included 141 rectal cancer patients who received laparoscopic radical resection during September 2018 to December 2020, in the Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College. All patients were prospectively and randomly assigned to the preserved group (n = 71) and the peeled group (n = 70) by envelope method. Both groups of patients underwent Dixon surgery for laparoscopic radical resection of rectal cancer, while the patient’s left colic artery (LCA) was preserved during the surgery. Patients with preserved IMA sheaths were placed in the preserved group, and patients with peeled IMA sheaths were placed in the peeled group. All patients and their families communicated with providers and signed informed consent forms before surgery. This study had been performed in accordance with the principles stated in the Declaration of Helsinki. The study was approved by the Ethics Committee of The First Affiliated Hospital of Wannan Medical College and registered by the China Clinical Trials Registry (ChiCTR2200060830).