Original

Environmental-analytical risk factors influence on the phenotype of amyotrophic lateral sclerosis in a rural setting

C. González-Mingot, I. Romagosa Sánchez-Monge, F. Purroy, M.J. Solana-Moga, S. Peralta-Moncusí, C. Lazo-Latorre, M.P. Gil-Villar, L. Brieva [REV NEUROL 2017;65:203-208] PMID: 28849861 DOI: https://doi.org/10.33588/rn.6505.2017091

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Volumen 65 | Number 05 | Nº of views of the article 7.931 | Nº of PDF downloads 360 | Article publication date 01/09/2017

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ABSTRACT

INTRODUCTION There are discrepancies in the different studies that attempt to correlate the risk factors of developing amyotrophic lateral sclerosis (ALS) and the impact on their prognosis. Some of these factors are intrinsic to the rural livelihood. Therefore, we propose to study if any of these influence the onset and/or prognosis of the disease in the health region of Lleida, a predominantly rural area.

PATIENTS AND METHODS Variables related to general factors, clinical, environmental and laboratory were collected and analyzed at the time of diagnosis of ALS in 38 patients and were retrospectively related to the onset of the disease and its survival.

RESULTS The family history of ALS (p < 0.02) and elevated CK (p < 0.0001) were associated with increased survival. Smoking (p < 0.04), physical work (p < 0.03), low creatinine (p < 0.03), elevated CK (p = 0.0005) were associated with an early onset of the disease. The bulbar onset form was significantly related to a late onset of the disease (p < 0,01). Total cholesterol and PCR did not influence the onset or course of ALS. There is a non-significant trend at statistical level in favor of moderate physical exercise being associated with a later onset, while intense exercise at an early onset of ALS.

CONCLUSIONS The results suggest that there are a number of factors that influence the development and prognosis of ALS, some of which are more prevalent in rural areas, such as physical work. KeywordsALS Amyotrophic lateral sclerosis Environmental factors Phenotypes Prognosis Survival CategoriesNervios periféricos, unión neuromuscular y músculo Neurodegeneración

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Original

Environmental-analytical risk factors influence on the phenotype of amyotrophic lateral sclerosis in a rural setting

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