cervical incompetence
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Women in the second trimester (13-27 weeks) who are going to undergo cervical cerclage (Mc-Donald) due to cervical insufficiency; 2. ASA grade I or II; 3. Before starting the activities related to the test, voluntarily sign the informed consent form, fully understand the purpose and significance of the test, and voluntarily abide by the test process.
Exclusion criteria
Exclusion criteria: 1. Contraindications to intraspinal anesthesia; 2. Hypertension, preeclampsia, diabetes and cardiovascular and cerebrovascular diseases were complicated; 3. Multiple pregnancy, difficulty in epidural intubation; 4. Patients with drug allergy or other contraindications; 5. Other situations in which the investigator judged that the subject was not suitable to participate in this clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| anesthesia plane; | — |
Secondary
| Measure | Time frame |
|---|---|
| Nausea, hypotension, bradycardia; | — |
Countries
China
Contacts
Shengjing Hospital of China Medical University