ISB, SSNB, and PENG Block for Arthroscopic Shoulder Surgery

This study is designed to investigate the post-operative analgesic effect of interscalene nerve block or anterior suprascapular nerve block compared to pericapsular nerve group block in patient undergoing elective arthroscopic shoulder surgery.

Inclusion Criteria:Adult patients.ASA class I and II and scheduled for elective shoulder arthroscopy.Exclusion Criteria:Patient who refuses the regional anesthesia technique.History of allergy to local anesthetics.Local infection at the site of the block.History of Pre-existing major organ dysfunction such as hepatic and renal failure.History of pre-existing lung disease (COPD, uncontrolled asthma).Preexisting upper extremity neurological abnormality or neuropathy.Difficulties in comprehending (NRS).Chronic opioid users (opioid intake more than 3 months).