cancer of the sigmoid colon and rectum
Conditions
Interventions
NOSE group:natural orifice specimen extraction
Conventional laparoscopic surgery group:conventional specimen extraction through abdomen incision
Sponsors
Tenth People's Hospital of Shanghai, School of Medicine, Tongji University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 80 years; 2. Pathological rectosigmoid carcinoma located in 8-30cm from the anal verge; 3. preoperative stage with CT and MR for sigmoid cancer is T1-T3, for rectal tumor is T1-T2, both without synchronous, distant metastasis; 4. Tumor size of 4 cm or less; 5. Informed consent.
Exclusion criteria
Exclusion criteria: 1. BMI=30; 2. Pregnant woman or lactating woman; 3. Severe mental disease; 4. Previous sever pelvic surgery; 5. mergency operation due to complication (bleeding, perforation or obstruction) caused by colorectal cancer; 6. Requirement of simultaneous surgery for other disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative morbidity rate;time to first flatus;time to take liquid diet;3-year disease free survival rate;5-year overall survival rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Duration time of surgery;postoperative pain score;time of hospital stay;Peritoneal bacterial contamination status;Rate of R0 resection;number of lymph nodes harvested;Distal resection margin; | — |
Countries
China
Contacts
Public ContactLu Yin
Tenth people's hospital of Shanghai, School of Medicine, Tongji University
Outcome results
None listed