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Influence of different concentrations ropivacaine on phrenic nerve condution following interscalene brachial plexus block by ultrasound-guided

Influence of diaphragmatic muscle action potential diaphragmtic excursion respiratory function following interscalene brachial plexus block by ultrasound joint nerve stimulator

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IPC-15007083
Enrollment
Unknown
Registered
2015-09-18
Start date
2015-09-25
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Diaphragmatic myoparalysis

Interventions

three gros:interscalene brachial plexus block

Sponsors

the 98th PLA Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Right ulnoradial fracture internal fixation removal patients, 18-65 years old, 45-80kg weight, 155-180cm height, ASA I-II, no obvious abnormal cardipulmonary function.

Exclusion criteria

Exclusion criteria: BMI>30, arrhythmia, respiratory tem disease, injection site infection,severe hepatic renal dysfunction,blood hemostasis tem disease, per limb sensorimotor function obstacle, allergic reaction to local anesthetic recent sustained use of painkillers.

Design outcomes

Primary

MeasureTime frame
Phrenic nerve latency;Diaphram compound muscle action potential amplitude;—

Secondary

MeasureTime frame
sensory block;motor block;—

Countries

China

Contacts

Public ContactWang Xianghe
863097@sina.com+86 13396726086

Outcome results

None listed

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