Hypotension after spinal anesthesia,SAIH)
Conditions
Interventions
Group S (with FTc below the cutoff value):Total infusion volume of 6 mL/kg succinylated gelatin over 30 minutes.
Group G (with FTc >=threshold value):Total infusion volume of 8 mL/kg succinylated gelatin over 30 minutes.
Sponsors
SuZhou Municipal Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Pregnant women scheduled for cesarean section under spinal anesthesia 2. ASA physical status classification I-III 3. Singleton pregnancy 4. Age 18-40 years 5. Gestational age >=37 weeks 6. Body Mass Index (BMI) 20-40 7. Absence of psychiatric disorders.
Exclusion criteria
Exclusion criteria: 1. Refusal to participate or refusal to undergo ultrasound 2. Known allergy to colloids or medications used in the study 3. Concomitant diseases (e.g., diabetes mellitus, hyperthyroidism, epilepsy) 4. Preoperative hypertension with preeclampsia 5. Blood pressure >=160/100 mmHg Common carotid artery stenosis with anatomical variations, atherosclerosis, thrombosis, or history of neck surgery 6. Comorbid cardiovascular/cerebrovascular diseases, hepatic/renal insufficiency, chronic obstructive diseases, arrhythmia, or psychiatric disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypotension;Total dose of vasoactive drugs administered; | — |
Secondary
| Measure | Time frame |
|---|---|
| Apgar Score;The incidence of nausea and vomiting; | — |
Countries
China
Contacts
Public ContactZhou Yiquan
SuZhou Municipal Hospital
Outcome results
None listed