I Background 1 Why Total Shoulder Arthroplasties Fail -- 2 Why Reverse Shoulder Arthroplasties Fail -- 3 Hemiarthroplasty: How they fail II Planning and Operative Technique -- 4 Management of the Painful Shoulder Arthroplasty -- 5 Pre-operative Planning for Revision Arthroplasty: Imaging, Instruments & Implants -- 6 PSI, Navigation and Virtual Reality in Revision Shoulder Arthroplasty -- 7 Custom Implants for Revision Shoulder Arthroplasty -- 8 Surgical Exposure in Revision Shoulder Arthroplasty -- III Glenoid -- 9 Classifying Glenoid Bone Loss in Revision Shoulder Arthroplasty -- 10 The Convertible Glenoid in Revision Shoulder Arthroplasty -- 11 Revising The Failed Glenoid in Hemiarthroplasty -- 12 How to remove a well implanted glenoid component -- 13 Revising The Failed Glenoid in TSA -- 14 Revising The Failed Glenoid in RSA -- 15 Options for glenoid reconstruction: Graft Vs Metal -- 16 Bone Graft: Iliac Crest Vs Allograft -- 17 One Stage Vs Two Stage Exchange Bonegrafting for Glenoid Bone Defects.-18 Periprosthetic Glenoid Fracture: Management and Outcomes -- IV Humerus -- 19 Stress Shielding and Bony Adaptations in Shoulder Arthroplasty -- 20 Classifying Humerus Bone Loss in Revision Shoulder Arthroplasty -- 21 Convertible Humeral component in Revision Shoulder Arthroplasty -- 22 How to remove a well implanted humeral component and complications associated -- 23 Revision of a Failed Humeral Stem With Sufficient Bone Stock -- 24 Revision of The Failed Stem Without Sufficient Bone Stock -- 25 Periprosthetic Humeral Fracture: Management and Outcomes -- V Infection -- 26 How to diagnose an infection after Shoulder Replacement -- 27 Managing the Infected Arthroplasty: Antibiotic suppression, Debridement, 1 vs 2 Stage -- 28 Preventing Infection in Revision Shoulder Arthroplasty -- VI Instability and Soft Tissue Management -- 29 Defining Risk Factors for Instability -- 30 Management of shoulder arthroplasty instability -- 31 Pectoralis Transfer For Deltoid Insufficiency After RSA -- 32 Tendon transfers for loss of rotation (IR & ER) in Revision Shoulder Arthroplasty -- VII Others -- 33 The Role of Arthroscopy after Shoulder Replacement -- 34 The Role of Resection and Hemiarthroplasty after RSA -- 35 The Role Hemireverse in Revision Shoulder Arthroplasty -- 36 Revision of a failed TSA to a TSA -- 37 The Outcomes of Revision Shoulder Surgery.