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The 90% minimum effective volume of 0.5 ropivacaine for ultrasound-guided femoral nerve block: A biased coin up-and-down design

The 90% minimum effective volume of 0.5 ropivacaine for ultrasound-guided femoral nerve block: A biased coin up-and-down design

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300077426
Enrollment
Unknown
Registered
2023-11-08
Start date
2023-11-15
Completion date
Unknown
Last updated
2023-11-13

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

Conditions

Nerve block

Interventions

Sponsors

The First Affiliated Hospital of Dali University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria was patients aged from 18 to 64, whether male or female and meeting the standards for the American Society of Anesthesiologists (ASA) grade I to II.

Exclusion criteria

Exclusion criteria: 1. Refusal to participate in the study 2. Pregnancy and lactation 3. History of allergy to local anesthetics 4. Neurological and psychiatric disorders 5. History of diabetes 6. Coagulation disorders 7. History of alcoholism 8. Communication barriers Use of opioids or nonsteroidal drugs within 9.2 weeks 10. Poor diffusion of local anesthetics

Design outcomes

Primary

MeasureTime frame
The femoral nerve controls sensation in the area;The femoral nerve controls movement in the area;

Secondary

MeasureTime frame
vascular injury;

Countries

China

Contacts

Public ContactPeng Jing

The First Affiliated Hospital of Dali University, Dali, Yunnan

xuanqinghang@163.com+86 198 6183 0953

Outcome results

None listed

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