Comparison of Transversus Abdominis Plane Block and Quadratus Lumbar Block in Bariatric Surgery: a Randomized Controlled Trial

Comparison of Transverse Abdominal Muscle Plane Block and Quadratus Lumborum Block in Bariatric Surgery: a Randomized Controlled Trial

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100044179

Enrollment

Unknown

Registered

2021-03-12

Start date

2021-04-01

Completion date

Unknown

Last updated

2021-08-30

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

Conditions

obesity

Interventions

Transversus abdominis plane block group:Transversus abdominis plane block

Quadratus lumborum block group :Quadratus lumborum block

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18~65 years; 2. ASA classification 23; 3. BMI >= 40kg/m2 and no coexisting diseases, or BMI of 35.0-39.9kg/m2 and at least one serious coexisting disease, including 2-DM, OSA, etc., sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients allergic to local anesthetics; 2. Patients with chronic pain or taking opioid analgesics before surgery; 3. Patients with abnormal coagulation function; 4. Local infection at the block site; 5. Patients with severe cardiopulmonary insufficiency.

Design outcomes

Primary

Measure	Time frame
Sufentanil usage in 48 hours after surgery;	—

Secondary

Measure	Time frame
Pain score;Recovery quality score;	—

Countries

China

Contacts

Public ContactLi Rui

The Second Hospital of Anhui Medical University

lrayd@sina.com+86 13855114159

Outcome results

None listed

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