Rafael E Ruiz-Gaviria

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OBJECTIVE Antibodies against water channel protein aquaporin 4 (AQP4) in astrocytes play a role in the etiology and physiopathology of neuromyelitis optica (NMO); detection of this immunoglobulin in serum is highly suggestive of this diagnosis. There are several immunoassays to detect the antibody with different sensitivities and specificities. We conducted(More)
BACKGROUND Parkinson disease (PD) is a chronic multifaceted neurodegenerative disorder of adult onset that affects quality of life and places a burden on patients, caregivers, and society. In early disease, dopaminergic therapy improves motor symptoms, but as the disease progresses, symptoms tend to increase in frequency and severity, even with best medical(More)
INTRODUCTION Poverty has been associated in some studies with poorer outcomes in mental problems and disorders. A circular relationship has been considered in which poverty fosters the appearance of mental illness and this facilitates greater poverty. There are no studies in Colombia on this subject. OBJECTIVE To describe the association between mental(More)
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