Ultrasound-guided quadratus lumborum block for total hip arthroplasty: a study of the minimum effective concentration of ropivacaine

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100049654

Enrollment

Unknown

Registered

2021-08-07

Start date

2021-08-10

Completion date

Unknown

Last updated

2022-04-19

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

Conditions

Osteoarthritis of the hip, necrosis of the femoral head (Ficat IIIB or IV), and hip dysplasia

Interventions

group A:quadratus lumborum block

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-80 years; 2. Body mass index (BMI) of 20-35 kg/m^2; 3. The functional status of American Society of Anesthesiologists (ASA) II-III; 4. Primary unilateral total hip replacement.

Exclusion criteria

Exclusion criteria: 1. Ankylosis of the hip joint; 2. Known allergy to the drugs used in this study; 3. History of opioid overdose; 4. There is a history of excessive drinking; 5. Cognitive impairment; 6. Mental illness; 7. Recognized neuromuscular disease; 8. History of previous hip open surgery; 9. The target hip has other neurological diseases; 10. Inability to communicate verbally.

Design outcomes

Primary

Measure	Time frame
Whether the quadratus lumborum block was successful.;	—

Countries

China

Contacts

Public ContactYang Jing

West China Hospital, Sichuan University

422963362@qq.com+86 18980602269

Outcome results

None listed

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