Perioperative hypotension
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) full-term women =37 weeks of gestation; (2) aged between 18 and 40 years; (3) intending to undergo elective caesarean section under combined lumbar and rigid anaesthesia; and (4) women voluntarily participating in the trial and signing an informed consent form.
Exclusion criteria
Exclusion criteria: (1) women with severe cardiovascular or cerebrovascular disease; (2) women with gestational hypertension, supine hypotension syndrome, or diabetes mellitus; (3) women with known fetal anomalies; (4) women with an allergy or intolerance to norepinephrine; (5) women with recent use of monoamine oxidase inhibitors; (6) women with a body mass index of more than 35 kg/m²; (7) women whose height is more than 180 cm or less than 150 cm; (8) women whose baseline systolic blood pressure is less than 100 mmHg; (9) women with an American Society of Anesthesiologists (ASA) classification of grade III or greater; (10) women with any other contraindication to intrathecal anesthesia. Women with a baseline systolic blood pressure of less than 100 mmHg; women with an American Society of Anaesthesiologists (ASA) classification of grade III or higher; and women with any other contraindication to intrathecal anaesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective dose of pumped norepinephrine;blood pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Neonatal Apgar score;Neonatal umbilical artery blood gas;Nausea;Vomiting;heart rate; | — |
Countries
China
Contacts
The Third People's Hospital of Bengbu