Postoperative pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. 18 to 45 years old; 2. ASA I-?; 3. Caesarean section under intraspinal anesthesia; 4. Voluntarily to receive patient-controlled intravenous analgesia; 5. Voluntarily to participate the study.
Exclusion criteria
Exclusion criteria: 1. With chornic pain or receiving analgesic drugs within three months; 2. With damage or rash on skin of study loctation; 3. With temporary cardiac pacemaker; 4. Can not cooperate with the study because of any reason.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mechanical pain sensitivity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative pain score;Analgesic requirements; | — |
Countries
China