Intro
Preface
Contents
Part I: Basic Science
1: The Failed Rotator Cuff: Diagnosis and Management-Rotator Cuff Anatomy/Blood Supply
1.1 Supraspinatus Muscle
1.1.1 Structure and Humeral Insertions
1.1.2 Innervation
1.1.3 Blood Supply
1.1.4 Variations
1.2 Subscapularis Muscle
1.2.1 Structure and Humeral Insertions
1.2.2 Innervation
1.2.3 Blood Supply
1.2.4 Variations
1.3 Infraspinatus
1.3.1 Structure and Humeral Insertions
1.3.2 Innervation
1.3.3 Blood Supply
1.3.4 Variations
1.4 Teres Minor Muscle

1.4.1 Structure and Humeral Insertions
1.4.2 Innervation
1.4.3 Blood Supply
1.4.4 Variations
1.5 Conclusion
References
2: Failed Rotator Cuff Repairs: Building an International Perspective
2.1 Introduction
2.2 Definitions in the Literature
2.3 Subjective Failure
2.3.1 The Literature Reports Several Subjective Aspects of RCR Failure
2.3.1.1 Worsening of Preoperative Clinical Status
2.3.1.2 Patients Can Consider Persistent Pain as Failure
2.3.1.3 Postoperative Stiffness
2.3.1.4 Loss of Strength
2.3.1.5 Pseudoparalysis

2.3.1.6 Inability to Return to Work
2.4 Objective Failure
2.4.1 Table of Failure Criteria
2.5 Conclusion
References
3: Biomechanical Consequences of Rotator Cuff Tears on the Glenohumeral Joint
3.1 Introduction
3.2 Biomechanics of the Intact Glenohumeral Joint
3.2.1 The Concept of Concavity Compression
3.2.2 Muscular Force Couples and the Concept of the Suspension Bridge Model
3.3 Biomechanical Consequences of Rotator Cuff Tears
3.4 Conclusion
References
4: The Failed Rotator Cuff: Diagnosis and Management-New Concepts in Biology of Repair

4.1 Introduction
4.2 Biologic Adjuvants for Repair Augmentation
4.2.1 Platelet-Rich Plasma
4.2.1.1 Basic Science Evidence
4.2.1.2 Clinical Outcomes
4.3 Cell-Based Therapies
4.4 Concentrated Bone Marrow Aspirate (BMAC)
4.4.1 Basic Science Evidence
4.4.2 Clinical Outcomes
4.5 Subacromial Bursa-Derived Cells (SBDCs): The Future?
4.5.1 Basic Science Evidence
4.5.2 Clinical Experience and Future
4.6 Further Considerations
4.7 Summary
References
5: Reasons for Structural Failure of Rotator Cuff Repair
References

6: Imaging of Failed Rotator Cuff Tears
6.1 Introduction
6.2 Imaging Modalities
6.2.1 Radiography
6.2.2 Ultrasonography (US)
6.2.3 Magnetic Resonance Imaging (MRI)
6.2.4 Magnetic Resonance Arthrography (MRA)
6.2.5 Computed Tomography (CT)
6.3 Expected Findings
6.3.1 Artefacts
6.3.2 Osseous Findings
6.3.3 Soft Tissue Findings
6.4 Pathologic Findings
6.4.1 Recurrent Tear
6.4.2 Displacement of Suture Anchors
6.4.3 Infection
6.4.4 Iatrogenic Injuries
6.4.5 Diagnostic Errors
References