Cesarean section
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Single-term and full-term pregnancy; (2) Weight 55-80 kg; (3) Height 155-165 cm; (4) American Society of Anesthesiologists (ASA) Grade I-II
Exclusion criteria
Exclusion criteria: (1) Those who are allergic to the research drug; (2) Those who are contraindicated in spinal canal puncture; (3) Those with pregnancy-induced hypertension, diabetes, heart disease; (4) Those with uterine fibroids, ovarian cysts, etc. that require surgical treatment; (5) Obstetric emergencies such as placental abruption, placenta previa, placenta implantation, etc.; (6) Switch to general anesthesia during surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The rate of intraoperative phenylephrine usage/The rate of lidocaine usage; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vital signs?block plane?block time and adverse reaction in different time points; | — |
Countries
China
Contacts
The Fourth Affliated Hospital Zhejiang University School of Medicine