Cesarean section hypotension
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. aged 18 to 40 years old, gestational age 36 to 41 weeks; 2. Patients scheduled for cesarean section undergoing spinal anesthesia for 1-3 hours of operation; 3. ASA classification I ~ III level; 4. BMI 18.5-39.9 kg / m2 [BMI = body weight (Kg) / height (m) 2] (2013 American Guidelines for Management of Overweight and Obese Adults); 5. In line with ethics, patients volunteered, signed informed consent.
Exclusion criteria
Exclusion criteria: 1. cesarean section with placenta previa, placental abruption, pre-Zhao Xian Xian, etc.; 2. Patients with complications (cardiovascular and cerebrovascular diseases, diabetes, peripheral neuropathy, anxiety, etc.); 3. obese patients with BMI=40kg/m2; 4. preoperative blood pressure = 180/110 mm Hg (WHO-ISH Hypertension Guide Grade 3 hypertension); 5. identify / suspect abuse or long-term use of narcotic sedation analgesics; 6. contraindications to narcotic drugs or contraindications to allergies and spinal anesthesia; 7. within six months of taking hormone> 10 days or have a history of adrenal cortex suppression or have immune system diseases; 8. Patients who participated in other studies within 30 days.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PI; | — |
Contacts
First Affiliated Hospital of Zhengzhou University