Optimal Effective Local Anesthetic Volume for Pain Relief Using Brachial Plexus Block

• Status: Recruiting
• Trial end date: 2025-12-01
• Target enrollment: 0
• Participant gender: All

Summary

Prospective, patient-blinded study utilizing a novel Continuous Reassessment Method that concomitantly considers both block success and block side effects (lung dysfunction) for brachial plexus nerve blocks.

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

Details

• Lead Sponsor: Benaroya Research Institute
• Treatments: Ropivacaine

Criteria

Inclusion Criteria:

• Surgical candidate for Arthroscopic rotator cuff surgery

• ASA I-III

• BMI<40

• Age >18

Exclusion Criteria:

• Inability to give informed consent

• Inability to complete consent process in English

• allergy to ropivacaine

• neuropathy

• contraindications to peripheral nerve block per ASRA guidelines

• chronic opioid use

• infection at the injection/catheter site

• limb restriction due to medical history

• history of moderate - severe lung disease.