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You are called to evaluate a patient in the PACU who underwent arthroscopic rotator cuff repair who is now having difficulty with his vision. The surgery was performed arthroscopically in the beach chair position with four bio-absorbable suture anchors in a double row configuration under a regional anesthetic block with sedation. No intra-operative complications were noted. A clinical photo of the patient is shown in Figure A after being asked to gaze left. Which of the following interventions might have resulted in a lower probability of developing this complication?
Performance of an open rather than arthroscopic rotator cuff repair
Performance of the procedure in the lateral decubitus position
Use of metal rather than bio-absorbable anchors
Use of general rather than regional anesthesia
Maintenance of systolic blood pressure below 70 mm Hg throughout the procedure
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After arthroscopic shoulder surgery a 45-year-old male develops pain, weakness and decreased sensation over the lateral arm and shoulder. If this injury was due to portal placement, which of the following portals would be the most likely site of injury?
Lateral superior portal
Posterior superior portal
Posterior inferior portal
Nevasier (supraspinatus) portal