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- Title
Left colic artery diameter is an important factor affecting anastomotic blood supply in sigmoid colon cancer or rectal cancer surgery: a pilot study.
- Authors
Li, Bo; Wang, Jianan; Yang, Shaohui; Shen, Jie; Li, Qi; Zhu, Qiqi; Cui, Wei
- Abstract
Background: Anastomotic blood supply is vital to anastomotic healing. The aim of this study was to demonstrate the effect of the left colic artery (LCA) on blood supply in the anastomotic area, explore the relationship between individual differences in the LCA and blood supply in the anastomotic area, and elucidate the relevant indications for LCA retention during radical resection for sigmoid or rectal cancer. Method: Radical sigmoid or rectal cancer resection with LCA retention was performed in 40 patients with colorectal cancer who participated in this study. Systemic pressure, LCA diameter, and the distance from the root of the LCA to the root of the inferior mesenteric artery were measured and recorded. The marginal artery stump pressure in the anastomotic colon before and after the LCA clamping was measured, respectively. Results: There is a significant difference between the marginal artery stump pressure before LCA ligation and after ligation (53.1 ± 12.38 vs 42.76 ± 12.71, p < 0.001). The anastomotic blood supply positively and linearly correlated with body mass index and systemic pressure. Receiver-operating curve analysis revealed that LCA diameter (area under the curve 0.971, cutoff 1.95 mm) was an effective predictor of LCA improving anastomosis blood supply. No relationship was found between the LCA root location and anastomotic blood supply. Conclusion: Preserving the LCA is effective in improving blood supply in the anastomotic area, and larger LCA diameters result in a better blood supply to the anastomotic area.
- Subjects
RECTAL cancer; SIGMOID colon; COLON cancer; ONCOLOGIC surgery; MESENTERIC artery; RECTAL surgery
- Publication
World Journal of Surgical Oncology, 2022, Vol 20, Issue 1, p1
- ISSN
1477-7819
- Publication type
Article
- DOI
10.1186/s12957-022-02774-0