Clinical trial · Observational
Blood Flow Path Reconstruction in Rectal Cancer
Blood Flow Path Reconstruction in Rectal Cancer After High IMA Ligation Through Preoperative and Postoperative Comparison by Manual Subtraction CTA
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
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.
Conditions
Conditions (3)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Image | — | UNRESOLVED | — |
| Rectal Cancer | Malignant Rectal Neoplasm | CURATED_EXACT | 0.92 |
| Surgery | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| no intervention | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (0)
[]Primary outcomes (1)
- measure
- Six pattens of blood flow and AMCA based on the preoperative observation
- timeFrame
- 1 hour after the manual subtraction computed tomography angiography (MS-CTA) procedure
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 39 Years
- Maximum age
- 81 Years
Show eligibility criteria text
Inclusion Criteria: * Clinical diagnosis of distal sigmoid colon or rectal cancer * cTNM stage confirmed as I-III on MRI or CT * Undergoing laparoscopic anterior resection (LAR) Exclusion Criteria: * Arterial phase scanning initiated too early * Unclear anatomic structure on imaging * No postoperative enhanced CT
References
Publications (0)
Data not yet available