Postoperative nausea and vomiting (PONV)
Conditions
Interventions
Experimental group:Left cervical vagus block under ultrasound guidance
Control group:Use a sterile 22G ( No. 7 needle)to perform skin puncture + compression at the same site
Sponsors
Army Medical Center of the Chinese Peoples Liberation Army
Eligibility
Sex/Gender
Female
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1.Gynecologic endoscopic surgery with the surgical grade of 3-4;Age 18-70 years old,American society of Anesthesiologists level I-III under general anesthesia; 2.Apfel simplifies postoperative nausea and vomiting risk scoring >= three points; 3.Agree to participate in this study and sign the informed consent;
Exclusion criteria
Exclusion criteria: 1.Impaired vocal cords (e.g. hoarseness, electronic laryngoscopy showing fixed vocal cords or dislocation of arytenoid cartilage); 2.History of left neck surgery (e.g. thyroidectomy); 3.Puncture site infection; 4.Severe coagulation dysfunction; 5.Allergic to ropivacaine; 6.Have serious heart and lung disease, irregular heart rate; 7.Liver and kidney failure; 8.Study participants who are participating in other clinical trials; 9.People who have difficulty communicating; 10.Other reasons deemed unsuitable for clinical trial candidates;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of Grade III-IV nausea and vomiting in participants of post operative nausea and vomiting high-risk study 24 hours after operation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of Grade III-IV nausea and vomiting in high-risk study participants at different postoperative time points (T1: 2h, T2: 6h, T3: 12h, T4: 24h).; | — |
Countries
China
Contacts
Public ContactQingxiang Mao
Army Medical Center of the Chinese Peoples Liberation Army
Outcome results
None listed