The purpose of this study is to determine: (1) whether laparoscopy-assisted nerve-preserved total mesorectal excision (LNTME) is as safe as open TME for rectal cancer, and (2) whether LNTME is more effective for protection of pelvic autonomic nerve function from surgical impairing when comparing to open TME.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
80
Postoperative complications including bleeding, anastomotic leakage, postoperative infection, organ dysfunctions.
Time frame: postoperative 30 days
The postoperative sexual function assessed by IIEF questionnaire
Time frame: postoperative one year
The postoperative voiding function assessed by IPSS questionnaire.
Time frame: postoperative one year
Operative time
Time frame: an expected average of 180 minutes
Postoperative deaths
Time frame: postoperative 30 days
The length postoperative hospital stay
Time frame: an expected average 8 days
C-reactive protein
serum C-reactive protein level after operation
Time frame: postoperative 7 days
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