RecruitingDevice studyMDR - Comprehensive Primary Revision Stems PMCFThe objective of this retrospective and prospective consecutive series PMCF (Post Market Clinical Follow Up) study is to collect long-term data confirming safety, performance and clinical benefits of the Comprehensive Primary Revision Stems (implants and instrumentation) when used for shoulder arthroplasty at 1, 3, 5, 7 and 10 years.