“… 7 , 9 A recent retrospective cohort study by Papalia et al also demonstrated higher risk of shoulder dislocation in patients with PD compared to controls. 42 As with PPF, risk of prosthesis instability can contribute to the observed elevated rates of revision arthroplasty. Given the higher rate of instability in patients with cognitive disorders, special consideration should be directed towards mitigating this risk at the time of the index procedure.…”