• Luiza Serafini Balestrassi and Sonia Maria Cesar Azevedo Silva.
• MD, MSc. Neurologist, Department of Neurology, Hospital do Servidor Público Estadual (IAMSPE), São Paulo (SP), Brazil.
• Sao Paulo Med J. 2021 Jan 1; 139 (1): 30-37.

BackgroundKnowing the epidemiological profile is relevant for improving healthcare practices. Movement disorders are neurological disorders characterized by the presence of involuntary movements. They have a negative impact on patients' quality of life.ObjectivesTo outline the frequencies of the different diagnoses seen among patients, along with their demographic characteristics, at a hospital in São Paulo (SP), Brazil, and to highlight the clinical aspects of those with Parkinson's disease.Design And SettingRetrospective descriptive epidemiological analysis at a specialized outpatient clinic in a state public hospital in São Paulo.MethodsPatients treated at this clinic over a four-year period were analyzed. Diagnoses, demographic variables and associations with clinical aspects of Parkinson's disease were evaluated.ResultsOut of the 680 medical records analyzed, 58.4% related to females. Most patients were over 60 years of age, white, married and teachers. The most frequent diagnosis was Parkinson's disease, followed by essential tremor and dystonia. Parkinson's disease presented in the mixed clinical form; the most common initial symptom was tremor. The akinetic-rigid clinical form occurred in younger individuals and mostly presented with postural instability and freezing of gait in the early years of disease.ConclusionsParkinson's disease, essential tremor and dystonia were the most frequent diagnoses. Characteristics like sex, frequency of other pathological conditions and the clinical and demographic aspects of Parkinson's disease were consistent with the data in the relevant literature.

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