Superior Trunk Block: Ultrasound Guided Novel Approach for Shoulder Surgery

The use of ultrasound in clinical anaesthesia has largely contributed to the development nerve block technique recent years. In standard ultrasound-guided interscalene brachial plexus block, C5 and C6 roots are directly infiltrated. Hemi diaphragmatic paresis almost usually follows arthroscopic shoulder surgery, despite fact that it offers highly effective postoperative analgesia [1].