Objectives: To obtain outcomes data on anatomical and reverse total shoulder arthroplasty by analysis of clinical scores and standard radiographs.
Subject selection and enrollment: 400 consecutive series of patients replaced with anatomical and reverse total shoulder arthroplasty (minimum 3 years follow-up).
Study design: retrospective monocenter.
Preoperative assessment: Demographics, clinical scores (Constant-Murley) as available, shoulder X-ray (AP, outlet and axillary views) .
Last follow-up: Postoperative radiographhs and clinical scores. Adverse events and complications to be reported as occurred since implantation.
Statistical analysis: Data collected will be summarized and analyzed for statistical significance.