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Analgesic effect of ultrasound-guided parasagittal approach to anterior quadratus lumborum block at the lateral supra-arcuate ligament versus thoracic paravertebral block in patients undergoing nephrectomy: a randomized controlled trial

Analgesic effect of ultrasound-guided parasagittal approach to anterior quadratus lumborum block at the lateral supra-arcuate ligament versus thoracic paravertebral block in patients undergoing nephrectomy: a randomized controlled trial

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100048226
Enrollment
Unknown
Registered
2021-07-05
Start date
2021-07-15
Completion date
Unknown
Last updated
2022-03-14

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

Conditions

None listed

Interventions

Group 1:Quadratus lumborum block
Group 2:Thoracic paravertebral block

Sponsors

Fujian Provincial Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. American Society of Anesthesiologists (ASA) Class I-II; 2. Patients who are about to undergo nephrectomy; 3. Voluntarily and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. BMI>28kg/m^2; 2. Aged > 70 years; 3. After spinal deformity or spinal surgery; 4. Local anesthetic allergy; 5. Coagulation disorders; 6. Refused to sign the informed consent.

Design outcomes

Primary

MeasureTime frame
the mean visual analogue scale (VAS) pain score in the first 24 h after surgery;—

Secondary

MeasureTime frame
the cutaneous sensory blocked area;postoperatie resting and motion VAS scores;oral morphine equivalent consumption 24h after surgery; numbers of sensory dermatomes;length of hospital stay;complication evaluation;—

Countries

China

Contacts

Public ContactZheng Xiaochun

Fujian Provincial Hospital

zhengxiaochun7766@163.com+86 13705058351

Outcome results

None listed

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