Suprascapular and Axillary Blocks Versus Interscalene Block for Shoulder Surgery

• Status: Completed
• Trial end date: 2018-01-01
• Target enrollment: 0
• Participant gender: All

Summary

The purpose of this study is to determine whether the combination of suprascapular and axillary nerve blocks is non-inferior to the conventional interscalene block (ISB) in providing pain relief during the first postoperative day to adult healthy patients (age > 18) undergoing ambulatory shoulder surgery.

• Phase: Phase 4
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: University Health Network, Toronto

Criteria

Inclusion Criteria:

• Consented, English-speaking, adult patients (age > 18)

• American Society of Anesthesiologists (ASA) classification I-III

• BMI ≤ 30 kg/m2

Exclusion Criteria:

• Total shoulder arthroplasty or clavicular surgery (ISB does not provide sufficient pain relief)

• Known broncho-pulmonary or phrenic pathology compromising respiratory function

• Contra-indication to nerve blocks e.g., infection, bleeding diathesis, allergy to local anesthetics

• Existing chronic pain disorders or history of use of ≥ 30mg oxycodone or equivalent per day

• Pre-existing neurological deficits or peripheral neuropathy involving the operative upper extremity

• Contraindication to any component of multi-modal analgesia (acetaminophen, non-steroidal anti-inflammatory medications, oral opioid analgesics)

• Pregnancy or any significant psychiatric conditions that may affect patient assessment