Visceral traction response
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1 Aged between 20 and 40; 2Planned elective cesarean section operation; 3American Society of Anesthesiologists (ASA) Grade II-III; 4No contraindications to epidural anesthesia (such as infection, bleeding tendency, spinal deformity, etc.); 5There are no contraindications for cesarean section surgery (severe coagulation dysfunction, severe shock, etc.).
Exclusion criteria
Exclusion criteria: 1 Serious dysfunction of vital organs; 2 Persons with mental, intellectual or communication disabilities; 3Heavy smokers, alcohol addicts or drug abusers; 4 Used opioids or other sedative and analgesic drugs within 72 hours before surgery; 5Those who are allergic to or contraindicated with opioids such as hydromorphone; 6 Patients with severe arrhythmia; 7Recent use of atropine, beta blockers and have an impact on heart rate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual analogue scale;heart rate variability; | — |
Secondary
| Measure | Time frame |
|---|---|
| mean arterial pressure;heart rate;Salivary alpha-amylase activity;Salivary cortisol;shiver;nausea and vomiting;pruritus;hyoxemia;hypotension;arrhythmia;Neonatal Apgar score;Newborn blood gas analysis; | — |
Countries
China
Contacts
Wanzhou District maternal and Child Health hospital of Chongqing