SMR Stemless Reverse Vs SMR Reverse Shoulder System

Exclusion Criteria

• •1. BMI \> 40 kg/m2
• •2. Previous contralateral shoulder surgery within 3 months of enrollment or that requires active treatment (i.e. surgery or brace)
• •3. Had surgery in the targeted shoulder within last 12 months of enrollment, except diagnostic arthroscopy without procedures
• •4. Had surgery in lower limbs (such as hip or knee) within last 6 months of enrollment
• •5. Corticosteroid injections in the ipsilateral shoulder within 3 months of enrollment
• •6. Complete deltoid muscle insufficiency
• •7. Glenoid retroversion great than 25 degrees based off a 2D axial CT scan
• •8. History of/or signs and/or symptoms of local or systemic infection including but not limited to septicemia; osteomyelitis
• •9. Neurologically confirmed nerve lesion compromising shoulder joint function
• •10. Poor meta-epiphyseal bone stock compromising stability of the implant including but not limited to humeral head fracture, iatrogenic glenoid fracture, severe osteoporosis
• •11. Metabolic disorders which may impair fixation and stability of the implant including but not limited to uncontrolled diabetes mellitus with an HbA1C \> 7.5%
• •12. Extended bone loss after previous surgery defined as: complete bone loss of greater and lesser tuberosity
• •13. Meta-epiphyseal bony defect (including large cyst)