“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.
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.
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