The Study of Ropivacaine Median Effective Concentration in Ultrasound-guided Supraclavicular Brachial Plexus Block

• Status: Unknown status
• Trial end date: 2014-12-01
• Target enrollment: 0
• Participant gender: All

Summary

To determine the median effective concentration of ropivacaine hydrochloride for ultrasound-guided supraclavicular brachial plexus block. The result can provide reference for choosing appropriate drug concentration in clinical anesthesia.

• Phase: Phase 4
• Accepts Healthy Volunteers?: Accepts Healthy Volunteers

Details

• Lead Sponsor: Yu Shan
• Treatments: Ropivacaine

Criteria

Inclusion Criteria:

• ASA I or II

Exclusion Criteria:

• upper limb paresthesia

• allergic to local anesthetics

• surgery history of clavicle

• BMI>30kg/m^2