Armstrong is the C. McCollister Evarts professor and chair and chief of shoulder and elbow surgery in the department of orthopedics and rehabilitation at Penn State Milton S. Hershey Medical Center, Bone and Joint Institute.
Published results showed patients with Parkinson’s disease who underwent total shoulder arthroplasty had higher odds of periprosthetic dislocation, but equivalent rates of implant survival, compared with patients without the disease.
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