colorectal tumor
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged >=18 years; 2. The lesions were diagnosed as colorectal mucosal lesions >= 2cm before surgery and suitable for ESD, that is, the lesions were determined to be confined to the mucosal layer before surgery or infiltrated to less than 1000um below the mucosa (SM1); 3. Imaging examination showed no distant metastasis; 4. No other colorectal organic diseases; 5. Patients or family members who can understand the study protocol and are willing to participate in the study should provide written informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with simultaneous colorectal organic disease; 2. Pregnant or lactating women; 3. The American Society of Anesthesiologists (ASA) grade is greater than iii, can not tolerate anesthesia and surgery; 4. Patients transferred to surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area under Curve; | — |
Secondary
| Measure | Time frame |
|---|---|
| surgery period;surgery speech;Block cut rate;Intraoperative complication rate;Complete excision rate;The incidence of postoperative complications;days in hospital after surgery; | — |
Countries
China
Contacts
Zhongshan Hospital affiliated to Fudan University