Median effective volume of 0. 2% ropivacaine employed in the ultrasound-guided median nerve block

Study on the effective volume of ropivacaine for ultrasound guided median nerve block

Status

Recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000035157

Enrollment

Unknown

Registered

2020-08-02

Start date

2020-07-20

Completion date

Unknown

Last updated

2020-08-03

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

Conditions

Trigger finger

Interventions

Case series:Sequential method

Eligibility

Sex/Gender

All

Age

1 Years to 3 Years

Inclusion criteria

Inclusion criteria: A. Children who are scheduled to undergo trigger finger surgery in children's Hospital affiliated to Chongqing Medical University B. Children aged 1-3 years were included in ASA grade I-II.

Exclusion criteria

Exclusion criteria: A. Abnormal coagulation function, B. The presence of upper limb nerve injury, C. The puncture site has a history of infection, D. Known allergy to ropivacaine, E. A history of upper respiratory tract infection, Parents refused to participate in the study.

Design outcomes

Primary

Measure	Time frame
MEC90, MEV90, EV50;	—

Secondary

Measure	Time frame
rate of success;Complications;Sedation recovery time;	—

Countries

China

Contacts

Public ContactTu Shengfen

519194496@qq.com+86 13983416114

Outcome results

None listed

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