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Comparison of postoperative analgesic effects of ultrasound-guided quadratus lumborum block at the arcuate ligament versus transversus abdominis plane block in cesarean section

Comparison of postoperative analgesic effects of ultrasound-guided quadratus lumborum block at the arcuate ligament versus transversus abdominis plane block in cesarean section

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600116513
Enrollment
Unknown
Registered
2026-01-12
Start date
2026-01-16
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

Cesarean section

Interventions

QLB-LSAL Group:The parturient was positioned in the lateral decubitus position. After disinfection, a convex array probe was placed over the tip of the L1 transverse process and above the T12 rib for
TAPB Group:The TAPB group underwent bilateral transversus abdominis plane block. The parturient was positioned in the lateral decubitus position, with routine disinfection and draping. A high-frequenc

Sponsors

The Second Affiliated Hospital of Shandong First Medical University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: Volunteer to participate in this experiment, aged 20-40 years old; Pregnant women with a single full-term fetus (gestational age >=37 weeks) scheduled for elective lower segment cesarean section; ASA class II; BMI 18.5–35 kg/m²; normal liver and kidney function and coagulation function; able to independently complete questionnaires and use PCIA; signed informed consent.

Exclusion criteria

Exclusion criteria: Contraindications for regional block/spinal anesthesia; allergy to study medications (ropivacaine, sufentanil); poorly controlled gestational diabetes, liver or kidney dysfunction; complicated by preeclampsia/eclampsia/HELLP syndrome; history of chronic pain or long-term use of analgesics and sedatives; cognitive impairment or psychiatric disorders;

Design outcomes

Primary

MeasureTime frame
VAS Score;

Secondary

MeasureTime frame
Total 24-hour consumption of sufentanil;Time of first use of rescue analgesia after surgery;Pain relief satisfaction;Quality of Recovery;

Countries

China

Contacts

Public ContactDeng Min

The Second Affiliated Hospital of Shandong First Medical University

1290580774@qq.com+86 191 5065 1004

Outcome results

None listed

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