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1.
Cerebellum ; 22(4): 708-718, 2023 Aug.
Article in English | MEDLINE | ID: mdl-35796998

ABSTRACT

Little is known about access of rare disease carriers to health care. To increase this knowledge, the Pan American Hereditary Ataxia Network (PAHAN) conducted an exploratory survey about care for hereditary ataxias in American continents and the Caribbean. A questionnaire was sent to health professionals about the hereditary ataxias identified; access to care; and local teaching and research. The number of ataxics under current care per 100,000 inhabitants was subtracted from the expected overall prevalence of 6/100,000, to estimate the prevalence of uncovered ataxic patients. Local Human Development Indexes (HDI) were used to measure socio-economic factors. Twenty-six sites participated. Twelve sites had very high, 13 had high, and one site had medium HDI. Participants reported on 2239 and 602 patients with spinocerebellar ataxias and recessive forms under current care. The number of patients under current care per inhabitants varied between 0.14 and 12/100,000. The estimated prevalence of uncovered ataxic patients was inversely proportional to HDIs (rho = 0.665, p = 0.003). Access to diagnosis, pre-symptomatic tests, and rehabilitation were associated with HDIs. More and better molecular diagnostic tools, protocols and guidelines, and professional training for ataxia care were the top priorities common to all respondents. Evidence of inequalities was confirmed. Lower HDIs were associated with high potential numbers of uncovered ataxic subjects, and with lack of molecular diagnosis, pre-symptomatic testing, and rehabilitation. More and better diagnostic tools, guidelines, and professional training were priorities to all sites. PAHAN consortium might help with the last two tasks.


Subject(s)
Cerebellar Ataxia , Spinocerebellar Ataxias , Spinocerebellar Degenerations , Humans , Ataxia , Spinocerebellar Degenerations/epidemiology , Spinocerebellar Ataxias/diagnosis , Spinocerebellar Ataxias/epidemiology , Spinocerebellar Ataxias/genetics , Caribbean Region/epidemiology
2.
Neuroepidemiology ; 55(5): 393-397, 2021.
Article in English | MEDLINE | ID: mdl-34407534

ABSTRACT

INTRODUCTION: Parkinson's disease (PD) is one of the most common neurodegenerative disorders. There is no epidemiological description of PD in Chile and not many descriptions in Latin America. This study aims to describe the incidence and prevalence of PD in Chile. METHODS: The study group was the population on the public health system in Chile between 2010 and 2018 that were registered in the GES system as having PD. Crude and standardized prevalence and incidence were calculated with a 95% confidence interval. RESULTS: 33,345 patients were found in the register as confirmed cases with PD. The crude incidence in 2018 was 23.7/100,000; the crude prevalence in 2018 was 160.7/100,000. The male-to-female ratio was 1.03. CONCLUSION: The prevalence and incidence observed in the Chilean population are consistent with studies from other countries.


Subject(s)
Parkinson Disease , Chile/epidemiology , Female , Humans , Incidence , Latin America , Male , Parkinson Disease/epidemiology , Prevalence
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