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Clinical Trial

The Impact of Interscalene Block on Obstructive Sleep Apnea

Study Description

The Impact of Interscalene Block on Obstructive Sleep Apnea

This study is a randomized controlled trial to evaluating the impact of interscalene block on worsening of obstructive sleep apnea in patients undergoing ambulatory shoulder surgery.


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No pharmaceutical medication involved No pharmaceutical medication involved
Recruiting patients only Recruiting patients only

Procedure - Interscalene Block

15 mL ropivacaine 0.5% will be injected in 5 mL aliquots in order to achieve spread adjacent to C5 and C6 nerve roots.

Procedure - Placebo Block

0.5 ml of 1% lidocaine will be administered subcutaneously as a placebo injection.

Additional Information

Official Study Title

Evaluating the Impact of Interscalene Brachial Plexus Block on Apnea-Hypopnea Index in Patients With Untreated Obstructive Sleep Apnea Undergoing Ambulatory Shoulder Surgery. A Two-arm, Parallel, Double Blind, Randomized Controlled Trial

Clinical Trial ID


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