JAMA neurology · 2018
When Do α-Synucleinopathies Start? An Epidemiological Timeline: A Review.
СтатьяОбзорНазвание и аннотация: Перевод пока не подготовлен
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Savica Rodolfo, Boeve Bradley F, Mielke Michelle M
Аннотация
IMPORTANCE: This article reviews the epidemiological evidence of features of α-synucleinopathies that precede clinical onset of disease, proposes a clinical timeline, and attempts to define the different premotor and clinical phenotypes associated with α-synucleinopathies.
OBSERVATIONS: The pathological hallmarks of the α-synucleinopathies (Parkinson disease, Parkinson disease dementia, dementia with Lewy bodies, and multisystem atrophy) begin years before a clinical diagnosis. Epidemiologic studies support the long gap between pathology and symptoms and suggest that certain nonmotor conditions (constipation, anxiety, and rapid eye movement sleep behavior disorder) precede the traditional motor Parkinson disease phenotype by long intervals.
CONCLUSIONS AND RELEVANCE: Characterizing the temporal onset of these conditions will help to better recognize the premotor phase of the α-synucleinopathies and specific clinical phenotypes and will guide the search for predictive biomarkers and risk or protective factors for Parkinson disease and other synucleinopathies.
OBSERVATIONS: The pathological hallmarks of the α-synucleinopathies (Parkinson disease, Parkinson disease dementia, dementia with Lewy bodies, and multisystem atrophy) begin years before a clinical diagnosis. Epidemiologic studies support the long gap between pathology and symptoms and suggest that certain nonmotor conditions (constipation, anxiety, and rapid eye movement sleep behavior disorder) precede the traditional motor Parkinson disease phenotype by long intervals.
CONCLUSIONS AND RELEVANCE: Characterizing the temporal onset of these conditions will help to better recognize the premotor phase of the α-synucleinopathies and specific clinical phenotypes and will guide the search for predictive biomarkers and risk or protective factors for Parkinson disease and other synucleinopathies.