Postoperative pain
Conditions
Interventions
R1:Serratus anterior block is performed with 10 ml of 0.5% ropivacaine
R2:Serratus anterior block is performed with 20 ml of 0.5% ropivacaine
R3:Serratus anterior block is performed with 30 ml of 0.5% ropivacaine
Sponsors
Yichang Central People's Hospital
Eligibility
Sex/Gender
Female
Age
35 Years to 70 Years
Inclusion criteria
Inclusion criteria: (1) Female, aged 35 to 70 years old; (2) ASA grade I to III; (3) BMI 18 to 28 kg/m^2; (4) Patients with unilateral breast cancer scheduled for unilateral radical mastectomy.
Exclusion criteria
Exclusion criteria: (1) Patients allergic to ropivacaine and amide local anesthetics; (2) Patients with a history of alcohol or analgesic drug dependence; (3) Skin infection at the puncture site; (4) Coagulation disorders; (5) Severe systemic infection. (6) Nervous system disorders; (7) Patients with communication disorders who cannot cooperate; (8) Patients who are pregnant or plan to become pregnant within six months after surgery; (9) Other patients deemed unsuitable for this project by the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The VAS scores at rest and movement were evaluated at 2h, 6h, 12h, 24h, and 48h after surgery;Number of cases and times of rescue analgesia (single sufentanil 5ug); | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraoperative sufentanil consumption;Intraoperative remifentanil consumption;Intraoperative propofol consumption;Block analgesia maintenance time ;Intraoperative vasoactive drug use; | — |
Countries
China
Contacts
Public ContactMing Zhang
Yichang Central People's Hospital
Outcome results
None listed