Overview Quality of Analgesia After Interscalene Block After Arthroscopic Shoulder Surgery Status: Completed Trial end date: 2016-03-01 Target enrollment: Participant gender: Summary Shoulder arthroscopic causes post operative pain that outlasts analgesia provided by single injection nerve blocks. Phase: N/A Details Lead Sponsor: North American Institute for Continuing Medical Education (NAICE)Collaborators: New York School of Regional AnesthesiaNew York School of Regional Anesthesia - NYSORAPacira Pharmaceuticals, IncTreatments: Bupivacaine