Ultrasound Guided Supraclavicular Nerve Block

• Status: Completed
• Trial end date: 2010-08-01
• Target enrollment: 0
• Participant gender: All

Summary

This study will test the hypothesis that sequential injection of 1.5% mepivacaine followed 90 seconds later by 0.5% ropivacaine in ultrasound guided supraclavicular block provides a quicker onset and a longer duration of analgesia than an equi-dose mixture of the two local anesthetics.

• Phase: Phase 3
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: The Cleveland Clinic
• Treatments: Mepivacaine; Ropivacaine

Criteria

Inclusion Criteria:

• Patients undergoing upper extremity procedures suitable for supraclavicular anesthesia, including but not limited to oHand surgery oForearm surgery oElbow surgery

• Age between 18 and 70 years

Exclusion Criteria:

• Contraindications to supraclavicular block

• Coagulopathy

• Infection at the needle insertion site

• Severe chronic obstructive pulmonary disease (COPD)

• Contralateral pneumothorax or diaphragmatic paralysis

• Pregnancy

• Preexisting neuropathy involving the surgical limb

• Routine opioid use

• Inability to attain adequate ultrasound images in the supraclavicular area