Samia Ben Sassi

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BACKGROUND Cognitive impairment and dementia are frequent and debilitating features associated with idiopathic Parkinson's disease (PD). However the prevalence and the pattern of these complications are lacking for LRRK2 (leucine-rich kinase 2)-associated PD patients. PURPOSE The purpose of this study was to assess cognitive function in LRRK2- associated(More)
Genetic classification of Parkinson's disease (PD) subtypes may become the preferred diagnostic tool for neurologists. Herein we compare clinical features from a large cohort of patients with familial PD of unknown aetiology or attributable to distinct genetic forms. Comprehensive neurological examinations were performed in 231 familial PD patients from(More)
Parkinson disease is a progressive neurodegenerative disease for which leucine-rich repeat kinase 2 (LRRK2 carriers) p.G2019S confers substantial genotypic and population attributable risk. With informed consent, we have recruited clinical data from 778 patients from Tunisia (of which 266 have LRRK2 parkinsonism) and 580 unaffected subjects. Motor,(More)
Mutations in the leucine-rich repeat kinase 2 gene (LRRK2) were found to be a significant cause of late-onset autosomal dominant forms of Parkinson's disease (PD). To determine the motor characteristics of LRRK2-related disease, we conducted a longitudinal study of 58 G2019S LRRK2-associated PD patients and compared them with genetically undefined (GU) PD(More)
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