Study on the maximum effective volume (MEV90) of local anesthetic required for motor-sparing PENG block

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200061919

Enrollment

Unknown

Registered

2022-07-11

Start date

2022-07-15

Completion date

Unknown

Last updated

2023-04-03

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

Conditions

Hip fracture, Hip arthropathy

Interventions

Group 1 :PENG block

Group 2:PENG block with ropivacaine containing iohexol

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Adults who perform hip surgery for the first time, and sign informed consent; 2. ASA classification I-III; 3. Age: 18-90 years old; 4. BMI: 18-25 kg/m2; 5. No contraindications to nerve block.

Exclusion criteria

Exclusion criteria: 1. Allergic to local anesthesia; 2. There is infection at the puncture site; 3. Suffering from dementia or cognitive impairment; 4. Need angiography but have contraindications related to iohexol.

Design outcomes

Primary

Measure	Time frame
Quadriceps muscle strength;	—

Secondary

Measure	Time frame
Opioid consumption;Numerical Rating Scale;Block range;	—

Countries

China

Contacts

Public ContactZhu Jiang

Department of Anesthesiology, Zhangjiagang First People's Hospital

377691604@qq.com+86 13962153438

Outcome results

None listed

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