The Orthobullets Podcast Foundations⎪Shoulder & Elbow⎪Reverse Shoulder Arthroplasty
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Mar 25, 2025 Dive into the intricacies of reverse shoulder arthroplasty! Discover its transformative techniques and the vital role biomechanics plays in recovery. Gain insights into personalized treatment strategies tailored for optimal shoulder function. Hear about the critical importance of rehabilitation in ensuring successful outcomes. It's all about enhancing mobility and improving patients' quality of life!
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Biomechanics of Reverse Shoulder
- Reverse shoulder arthroplasty moves the center of rotation inferiorly and medially.
- This change allows the deltoid muscle to have more mechanical advantage to compensate for rotator cuff deficiencies.
Indications and Contraindications
- Indications include cuff tear arthropathy, comminuted proximal humerus fractures, failed arthroplasty, and rheumatoid arthritis with sufficient bone stock.
- Contraindications include axillary nerve or deltoid deficiency, acromion deficiency, glenoid osteoporosis, and infection.
Preoperative Imaging Guidance
- Obtain true AP, axillary lateral, and scapular Y radiographs for pre-op planning.
- Use CT to evaluate glenoid version and bone stock; use MRI to assess rotator cuff and fatty infiltration.