Colorectal Carcinoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Adult patients who underwent elective laparoscopic colorectal surgery 1.ASA grade I-III; 2.Aged 18-75 years; 3.BMI of 18-24; 4.Operation time: 2-4h.
Exclusion criteria
Exclusion criteria: 1. Do not agree to participate in this study; 2. Incomplete medical history; 3. Can't understand or use VAS scoring system and PCIA pump; 4. Abnormal anatomical structure at the puncture site; 5. Have long history of analgesic drug use or allergy to ropivacaine and opioids; Patients with preoperative abnormal coagulation function or local infection, severe circulatory respiratory system and liver and kidney diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Complete sensory block rate of surgical incision; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative VAS score;The consumption of Sufentanil after surgery; | — |
Countries
China
Contacts
Department of Anesthesiology, Nanfang Hospital, Southern Medical University