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Shoulder arthroplasty - Basic information about shoulder replacement surgery

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Basic information about shoulder arthroplasty/replacement
Melbourne Arm Clinic

Published in: Health & Medicine
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Shoulder arthroplasty - Basic information about shoulder replacement surgery

  1. 1. Shoulder Arthroplasty Mr. Devinder Garewal Orthopaedic Shoulder Surgeon
  2. 2. Orthopaedic terminology • Hemi arthroplasty = replace half the joint • Total joint replacement = replace entire joint • Shoulder options: • Hemi arthroplasty • Total shoulder replacement • Replace the ball and socket joint • Reverse shoulder replacement • Replace with a “reversed” ball and socket joint
  3. 3. Shoulder Replacements
  4. 4. Common pathology • Osteoarthritis • Rheumatoid arthritis • Rotator cuff tear – with secondary arthritis • Fracture • Reduced blood supply to humerus (AVN)
  5. 5. Osteoarthritis
  6. 6. Cuff tear arthropathy
  7. 7. History • First performed 1894 • Charles Neer was the pioneer of modern shoulder replacements • 1951: hemi-arthroplasty (for fractures) • 1973: designed glenoid component to make first Total Shoulder Replacement
  8. 8. Total Shoulder Replacement • Replace glenoid with either: • plastic (PE) which requires cement for fixation or • a metal component that requires screws • Replace humerus with stem/head (uncemented or cemented) • Requires intact rotator cuff muscles to balance the shoulder replacement and provide function to move the joint
  9. 9. PE glenoid
  10. 10. Metal back glenoid
  11. 11. Humeral stem
  12. 12. Total shoulder replacement
  13. 13. Reverse shoulder replacement • Gained popularity over the last 15 years • Increasing world wide use • Glenoid and humeral components are reversed • Relies on different muscles to provide function to the shoulder • Deltoid • Generally used in patients with irreparable rotator cuff injuries in the setting of arthritis • Difficult to salvage this replacement so reserved for elderly
  14. 14. Reverse shoulder replacement
  15. 15. Reverse shoulder replacement

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