Effects of different volumes of ropivacaine on ultrasound-guided interscalene brachial plexus block on diaphragm function in children

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000034838

Enrollment

Unknown

Registered

2020-07-21

Start date

2020-09-01

Completion date

Unknown

Last updated

2020-08-10

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

Conditions

Upper limb fracture

Interventions

Group S:0.25% ropivacaine 0.5ml/kg, ultrasound-guided interscalene brachial plexus block

group L:0.25% ropivacaine 0.3ml/kg, ultrasound-guided interscalene brachial plexus block

Eligibility

Sex/Gender

All

Age

1 Years to 8 Years

Inclusion criteria

Inclusion criteria: 1) Children undergoing upper limb surgery; 2) The age range is: 1 to 8 years; 3) ASA I~II; 4) Sign and understand anesthesia informed consent.

Exclusion criteria

Exclusion criteria: 1) Combined with brachial plexus nerve and phrenic nerve injury; 2) Children with severe respiratory infections and bronchial asthma; 3) The combined puncture site (infection, hematoma, etc.) does not meet the conditions of nerve block; 4) Patients with abnormal coagulation function; 5) Children with myasthenia gravis; 6) Patients with local anesthetic drug allergy.

Design outcomes

Primary

Measure	Time frame
diaphragm excursion;	—

Secondary

Measure	Time frame
breath rate;PetCO2;	—

Countries

China

Contacts

Public ContactHao Wei

Lanzhou University Second Hospital

haowei9204@163.com+86 18153620967

Outcome results

None listed

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