Efficacy of the C8 Nerve Root Block During Interscalene Block for Anesthesia of the Posterior Aspect of the Shoulder

• Status: Completed
• Trial end date: 2019-08-09
• Target enrollment: 0
• Participant gender: All

Summary

This study evaluates the effects of selective 8th cervical nerve root block during interscalene brachial plexus block on the relief of pain intensity upon the introduction of a posterior portal during arthroscopic shoulder surgery. The 5th to 7th cervical nerve roots will be blocked in half of participants, while the 5th to 8th cervical nerve roots will be blocked in the other half.

• Phase: N/A
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Daegu Catholic University Medical Center
• Treatments: Ropivacaine

Criteria

Inclusion Criteria:

• American Society of Anesthesiologists physical status 1 and 2

• Arthroscopic shoulder surgery under interscalene brachial plexus block

Exclusion Criteria:

• Patient refusal

• Contralateral hemidiaphragmatic paralysis or paresis

• Contralateral vocal cord palsy

• Severe pulmonary restrictive disease

• Coagulopathy

• Allergy to local anesthetics or history of allergic shock

• Difficulty communicating with medical personnel

• Peripheral neuropathy or neurologic sequelae on the operative limb