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Effect of hydromorphone combined with ropivacaine transversus abdominis plane block on analgesia after cesarean delivery

Effect of hydromorphone combined with ropivacaine transversus abdominis plane block on analgesia after cesarean delivery

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500104995
Enrollment
Unknown
Registered
2025-06-26
Start date
2025-06-30
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

Cesarean section

Interventions

test group:At the end of cesarean section, bilateral transversus abdominis plane block was performed under ultrasound guidance by lateral approach, with 20ml of 0.5% ropivacaine + 0.5mg hydromorphone
control group:At the end of cesarean section, bilateral T transversus abdominis plane block was performed under ultrasound guidance with lateral approach, each side was injected with 0.5% ropivacaine

Sponsors

Shengli Oilfield Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: Women aged 20-40 years, weighing 50-80 kg, with a BMI of 19-25 kg/m2, ASA class I or II, who volunteered to participate in the trial for elective cesarean delivery.

Exclusion criteria

Exclusion criteria: Severe cardiopulmonary, cerebral, or hepatic or renal disease unable to tolerate general anesthesia; puncture site infection or coagulation abnormalities; abuse of sedative and analgesic drugs; history of allergy to ropivacaine or hydromorphone; and other reasons for failure to cooperate.

Design outcomes

Primary

MeasureTime frame
pain level;comfort level;

Secondary

MeasureTime frame
Dosage of sufentanil and number of compressions in intravenous self-controlled analgesia (PCIA);

Countries

China

Contacts

Public ContactGe Weipeng

Shengli Oilfield Central Hospital

slytzxyyttk@163.com+86 189 5403 2017

Outcome results

None listed

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