Blepharospasm as a Manifestation of Peak of Dose Dyskinesia in Parkinson Disease.

Objectives: The aim of the study was to report 4 patients with Parkinson disease (PD) and On-period blepharospasm (BS).

Methods: We analyzed patients with PD and motor fluctuations who developed BS in several different centers in Latin America.

Results: Four patients had BS while in the ON periods.

A Multicenter Comparative Study of Impulse Control Disorder in Latin American Patients With Parkinson Disease.

Objectives: Impulse control disorder (ICD) is a common adverse effect in patients with Parkinson disease who receive dopamine agonists; however, other factors are involved in its manifestations. To study the frequency and factors involved in the development of this adverse effect in a Latin American population, we conducted a cross-sectional multicenter study.

Methods: Two hundred fifty-five patients in 3 Latin American centers were evaluated by examination and application of scales (Unified Parkinson's Disease Rating Scale, Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease-Rating Scale, Hoehn and Yahr, Clinical Impression of Severity Index for Parkinson's Disease).