Poly vs Hybrid Glenoid in Stemless aTSA

Exclusion Criteria

• •1. Patient requiring revision shoulder arthroplasty;
• •2. Osteoporosis with a history of non-traumatic fractures;
• •3. Steroid injections within the previous 6 months;
• •4. Contralateral shoulder replacement within the previous 3 months;
• •5. Meta-epiphyseal bony defect (including large cysts);
• •6. Significant proven or suspicious infection of the target shoulder or any serious infectious disease
• •7. Significant neurological or musculoskeletal disorders that may compromise functional recovery;
• •8. Known or suspicious hypersensitivity to the metal or other materials of the implant;
• •9. Unwillingness or inability (i.e. alcoholism, infirmity) to comply with rehabilitation and to return for follow-up visits and any psychiatric illness that would prevent comprehension of the details and nature of the study;
• •10. Any systemic disease which may affect outcome.
• •11. Active or metastatic neoplastic disease
• •12. Chemotherapy and/or radiotherapy within the last 6 months
• •13. Previous organ transplant
• •14. Participation in any clinical research study that may interfere with this study
• •15. A current or prior DSM-5 diagnosis of schizophrenia, delusional disorder, schizoaffective disorder, psychotic disorder or bipolar disorder.
• •16. Current substance use disorder (excluding nicotine/tabacco use disorder) or moderate or severe alcohol use disorder.
• •17. Imminent suicide risk.
• •18. Any other psychiatric condition that renders the individual unsuitable for the study according to the study physicians judgment