Skip to content

Optimal Dose of Dexmedetomidine Combined with Ropivacaine for Ultrasound-Guided Transversus Abdominis Plane Block in Postoperative Analgesia of Cesarean Section Patients

Optimal Dose of Dexmedetomidine Combined with Ropivacaine for Ultrasound-Guided Transversus Abdominis Plane Block in Postoperative Analgesia of Cesarean Section Patients

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300068207
Enrollment
Unknown
Registered
2023-02-10
Start date
2023-02-15
Completion date
Unknown
Last updated
2026-07-13

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

Conditions

Postoperative Analgesia of Cesarean Section

Interventions

DR1 group:0.25 µg/kg dexmedetomidine + 0.25% ropivacaine 40mL
DR2 group:0.50 µg/kg dexmedetomidine + 0.25% ropivacaine 40mL
DR3 group:0.75 µg/kg dexmedetomidine + 0.25% ropivacaine 40mL
DR4:1.00 µg/kg dexmedetomidine + 0.25% ropivacaine 40mL
DR group:0 µg/kg dexmedetomidine + 0.25% ropivacaine 40mL

Sponsors

Panzhihua Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
19 Years to 45 Years

Inclusion criteria

Inclusion criteria: Patients aged 19-45 years, BMI 18-30, normal single pregnancy, gestation >= 37 weeks, ASA grade I-II, combined spinal-epidural anesthesia, able to understand and willing to report pain using the Visual Analogue Score (VAS).

Exclusion criteria

Exclusion criteria: 1. The patient refused; 2. Allergic to drugs (ropivacaine or dexmedetomidine); 3. Systemic or puncture site infection; 4. Abnormal coagulation function; 5. Long-term history of taking opioids, sedatives, antidepressants, and monoamine oxidase inhibitors; 6. High-risk pregnancy (severe diabetes or hypertension, severe liver and kidney dysfunction; heart failure; serious lung diseases; mental or nervous system diseases; obstructive sleep apnea syndrome; severe arrhythmia (especially sinus bradycardia and conduction block); the previous pregnancy had serious complications; other problems that may occur during pregnancy); 7. Acute emergency; 8. Communication barriers; 9. Height < 145cm; 10. Follow-up failure.

Design outcomes

Primary

MeasureTime frame
First rescue analgesia time;Total consumption of sufentanil ;

Secondary

MeasureTime frame
VAS score during rest and exercise, Ramsay sedation scale score, patient satisfaction score, first time out of bed, hospital stay, postoperative complications.;

Countries

China

Contacts

Public ContactZhenglian Gao

Panzhihua Central Hospital

gaozhenglian66@163.com+86 158 9291 8296

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 26, 2026