e431 Utility of Superior Augments in Reverse Shoulder Arthroplasty without Significant Glenoid Coronal Plane Deformity

e445 Comparing Clinical and Functional Outcomes following Anatomic Total Shoulder Arthroplasty based on Humeral Component Length

e494 Longitudinal Comparison of Existing Frailty Indices to Predict Complications following Adult Spinal Deformity Surgery