1. To observe and measure the distance between the origin of LCA (left colonic artery,LCA) and IMA (inferior mesenteric artery,IMA) root and the distance between IMA and IMV (inferior mesenteric vein,IMV) at the origin of LCA in rectal cancer patients. Statistical analysis of intraoperative measured data, on the basis of the original anatomical relationship, to achieve anatomical localization of quantitative and accurate, for the preservation of LCA laparoscopic radical resection of rectal cancer to provide a strong anatomical basis. 2. The operation time, 253 lymph node dissection time, intraoperative blood loss, postoperative anal exhaust time, postoperative feeding time, postoperative hospital stay, postoperative ischemic colitis rate and postoperative anastomotic leakage rate of patients with laparoscopic radical resection of rectal cancer with preservation of LCA were recorded. The surgical efficacy and clinical significance of laparoscopic radical resection of rectal cancer with preservation of LCA were evaluated.
Study Type
OBSERVATIONAL
Enrollment
120
Measurement of the distance between the origin of LCA (left colonic artery,LCA) and IMA (inferior mesenteric artery,IMA) root and the distance between IMA and IMV (inferior mesenteric vein,IMV) at the origin of LCA in rectal cancer patients
General Surgery Gastriontestinal Department, Tang-Du of Fourth Medical University
Xi’an, Shanxi, China
RECRUITINGDistance between LCA and IMA
Measurement of the distance between the origin of LCA (left colonic artery,LCA) and IMA (inferior mesenteric artery,IMA) root
Time frame: intraoperative
The distance from LCA to IMA and IMV
Measurement of the distance between IMA and IMV (inferior mesenteric vein,IMV) at the origin of LCA
Time frame: intraoperative
operation time
From the beginning of anesthesia to the patient leaving the operating room
Time frame: intraoperative
253 lymph node dissection time
Record the time required to dissection 253 lymph node
Time frame: intraoperative
intraoperative blood loss
Record intraoperative bleeding
Time frame: intraoperative
exhaust time
Record the time of patient's first exhausting time after operation
Time frame: Within one week after operation
postoperative feeding time
Record the time of the patient's first meal after operation
Time frame: Within one week after operation
postoperative hospital time
Record the days from surgery to discharge
Time frame: Within two weeks after operation
postoperative anastomotic leakage rate
Record the situation of patient's anastomotic leakage
Time frame: One month after operation
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