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Efficacy and Safety of Ultrasound-Guided Supraclavicular Brachial Plexus Block during Angioplasty of Dysfunctional Arteriovenous Access: A Prospective, Randomized Single-Center Clinical Trial

ThrombosisDysfunctional Arteriovenous AccessCardiovascular DiseaseVascular SurgerySurgeryVascular AccessMedicineBrachial Plexus InjuryAnesthesiology