Anatomical Classifications of Inferior Mesenteric Artery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-01-05

Study Completion Date

2021-01-30

Brief Summary

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The vascular branches of inferior mesenteric artery (IMA) involve superior rectal artery(SRA),Sigmoid artery(SA) and the left colic artery(LCA). Different levels of ligation of the (IMA) are applied in rectal cancer surgery, including retain or not retain the left colic artery(LCA). Retained the LCA would facilitate the vascularity. The variations of vessels are more frequent in the combinations of branches, while LCA, SA and SRA may vary from people to people. Which contribute to the difficulty of surgery to retain the LCA.. As a result, a better understanding of the anatomical branches classification of IMA is a must during operation. However, existing studies of IMA's branches combination are very rare and often single-centered with minimal samples. In order to achieve better surgical outcome and reduce operative complications, the investigators design this study to investigate the anatomical classification of IMA and the surgical outcome of each type

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Detailed Description

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Conditions

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Colorectal Cancer

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1. Patients who undergoing laparoscopic rectal cancer surgery.
2. Pathology: adenocarcinoma or huge adenomas proven by colonoscopic biopsy.
3. Localization: tumor located between distal sigmoid colon and anal canal.
4. Patients have to be aware of the aim of the trial, and have signed the informed consent.