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Optimizing Hyperbaric Bupivacaine Injection Rate for Cesarean Spinal Anesthesia: Dynamic Balance Between Sensory Block Level  and Hemodynamic Compromise

Optimizing Hyperbaric Bupivacaine Injection Rate for Cesarean Spinal Anesthesia: Dynamic Balance Between Sensory Block Level  and Hemodynamic Compromise

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500104871
Enrollment
Unknown
Registered
2025-06-25
Start date
2025-07-20
Completion date
Unknown
Last updated
2025-06-30

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

Conditions

Obstetric anesthesia

Interventions

20 - second group (Observation Group 1) :Control the time of subarachnoid bolus injection of bupivacaine to be 20 seconds.
40 - second group (Control Group:Control the time of subarachnoid bolus injection of bupivacaine to be 40 seconds.
60 - second group (Observation Group 2):Control the time of subarachnoid bolus injection of bupivacaine to be 60 seconds.

Sponsors

Anhui No.2 Provinicial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.Parturients at ASA II level with single full-term fetus; 2.Elective cesarean section; 3.BMI 18 - 35 kg/m^2.

Exclusion criteria

Exclusion criteria: 1. Pregnancy-induced hypertension/pre-eclampsia; 2. Spinal deformity or contraindications to puncture; 3. History of cardiovascular disease.

Design outcomes

Primary

MeasureTime frame
Blocking plane;Hemodynamics;—

Countries

China

Contacts

Public ContactXiaolong Zhang

Anhui No.2 Provinicial People's Hospital

zhangliufei2021@163.com+86 136 8551 6500

Outcome results

None listed

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