Shoulder Arthroplasty Complications
A 72-year-old female presents 8 months after anatomic total shoulder arthroplasty with recurrent anterior instability. She reports multiple episodes of subluxation with arm in abduction and external rotation. Examination shows positive apprehension and relocation tests. Radiographs show well-fixed components but weakness of internal rotation suggests subscapularis dysfunction. Regarding instability after shoulder arthroplasty:
Mark each as TRUE or FALSE
Instability after anatomic TSA occurs in 5-15% of patients; risk factors include subscapularis failu...
Subscapularis failure is the most common cause of anterior instability after anatomic TSA; risk fact...
All instability after shoulder arthroplasty requires revision surgery; subscapularis repair is alway...
Treatment of instability depends on the cause: subscapularis repair or reconstruction for anterior i...
Prevention of instability includes meticulous subscapularis repair with secure fixation, appropriate...
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Click T (True) or F (False) for each option