Anatomic TSA
A 68-year-old right-hand dominant retired accountant presents with 3 years of progressive right shoulder pain. He has failed physiotherapy, corticosteroid injections, and NSAIDs. Examination reveals active forward flexion of 90 degrees, external rotation of 20 degrees (40 degrees passive), and intact rotator cuff strength. X-rays show Walch type A2 glenoid (concentric wear with bone loss) with posterior humeral head subluxation. MRI confirms intact rotator cuff with Goutallier grade 1 fatty infiltration of supraspinatus. Regarding anatomic total shoulder arthroplasty (aTSA) and glenoid component considerations:
Mark each as TRUE or FALSE
Anatomic total shoulder arthroplasty (aTSA) is indicated for glenohumeral osteoarthritis with an int...
Glenoid component loosening is the most common cause of failure in aTSA; the "rocking horse" phenome...
Metal-backed glenoid components have consistently outperformed all-polyethylene glenoid components i...
The Walch classification describes glenoid morphology: Type A (concentric wear with central erosion)...
For this patient with intact rotator cuff, primary glenohumeral OA, and Walch A2 glenoid, aTSA is ap...
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Click T (True) or F (False) for each option