Dose effect relationship of bupivacaine spinal anesthesia based on spinal length

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200056643

Enrollment

Unknown

Registered

2022-02-09

Start date

2022-02-10

Completion date

Unknown

Last updated

2023-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Local anesthetic dose of spinal anesthesia in cesarean section

Interventions

1:Spine length*1.2

2:Spine length*1.4

3:Spine length*1.6

4:Spine length*1.8

5:Spine length*2

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Age: 19-40 years; 2. The American Association of Anesthesiologists (ASA) grading is Grade I to II; 3. Those who voluntarily participate in the study and sign the informed consent form; 4. Single pregnancy; 5. Pregnancy is more than 37 weeks.

Exclusion criteria

Exclusion criteria: 1. Body mass index (BMI) is greater than 35kg/m2; 2. Have a history of bupivacaine allergy; 3. Contraindications to spinal anesthesia; 4. The subarachnoid block was not successfully achieved; 5. The effect of lumbar anesthesia is asymmetrical.

Design outcomes

Primary

Measure	Time frame
height;	—

Countries

China

Contacts

Public ContactDeng Jiali

Jiaxing maternal and Child Health Hospital

djl18857384926@126.com+86 188 5738 4926

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026