[Role of different ligation of the inferior mesenteric artery in sigmoid colon or rectal cancer surgery: a meta-analysis].
OBJECTIVE
To evaluate the effect of different ligation of the inferior mesenteric artery in sigmoid colon or rectal cancer surgery on 5-year overall survival rate and operative mortality.


METHODS
The results of several literatures from different countries on high or low ligation of the inferior mesenteric artery and prognosis were analyzed using meta-analysis.


RESULTS
Seven studies were included. The 5-year overall survival rate was compared between low and high ligation. The odd ratio (OR) for 5-year survival was 0.87 (95% CI=0.76-0.98, P=0.02), and the OR for perioperative mortality was 1.28 (95% CI=0.94-1.75, P=0.19).


CONCLUSIONS
High ligation of the inferior mesenteric artery may improve 5-year overall survival rate. Perioperative mortality may not be influenced by the level of ligation.
Chen
Shi-cai
SC
Department of Gastrointestinal Surgery and Colorectal Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China.
Song
Xin-ming
XM
Chen
Zhi-hui
ZH
Li
Ming-zhe
MZ
He
Yu-long
YL
Zhan
Wen-hua
WH
D006801:Humans; D017537:Mesenteric Artery, Inferior / Q000601:surgery*; D011379:Prognosis; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000175:diagnosis / Q000601:surgery*