Estimation of Daily Sodium and Potassium Excretion Using Spot Urine and 24-Hour Urine Samples in a Black Population (Benin).

Abstract : To review how the phenotype and outcome of amyotrophic lateral sclerosis (ALS) change with variations in population ancestral origin (PAO). Knowledge of how PAO modifies ALS phenotype may provide important insight into the risk factors and pathogenic mechanisms of the disease. We performed a systematic review and meta-analysis of the literature concerning differences in phenotype and outcome of ALS that relate to PAO. A review of 3111 records identified 78 population-based studies. The 40 that were included covered 40 geographical areas in 10 subcontinents. Around 12,700 ALS cases were considered. The results highlight the phenotypic heterogeneity of ALS at time of onset [age, sex ratio (SR), bulbar onset], age at diagnosis, occurrence of comorbidities in the first year after diagnosis, and outcome (survival). Subcontinent is a major explanatory factor for the variability of the ALS phenotype in population-based studies. Some markers of ALS phenotype were homogeneously distributed in western countries (SR, mean age at onset/diagnosis) but their distributions in other subcontinents were remarkably different. Other markers presented variations in European subcontinents (familial ALS, bulbar onset) and in other continents. As a consequence, ALS outcome strongly varied, with a median survival time from onset ranging from 24 months (Northern Europe) to 48 months (Central Asia). This review sets the scene for a collaborative study involving a wide international consortium to investigate, using a standard methodology, the link between ancestry, environment, and ALS phenotype.
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Journal of Clinical Hypertension, Wiley, 2015, 18 (7), pp.634-640
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Contributeur : Elisabeth Grelier <>
Soumis le : mercredi 27 janvier 2016 - 11:07:00
Dernière modification le : jeudi 11 janvier 2018 - 06:25:46

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Carmelle Mizéhoun-Adissoda, Yessito Corine Nadège Houehanou Sonou, Thierry Chianéa, François Dalmay, André Bigot, et al.. Estimation of Daily Sodium and Potassium Excretion Using Spot Urine and 24-Hour Urine Samples in a Black Population (Benin).. Journal of Clinical Hypertension, Wiley, 2015, 18 (7), pp.634-640. 〈hal-01262777〉

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