[Effects of nutritional status on the multiple sclerosis disease: systematic review]. / Efectos del estado nutricional en la enfermedad de la esclerosis múltiple: revisión sistemática.

OBJECTIVE: To review the available scientific literature about the effects of nutritional status on the multiple sclerosis disease. METHODS: A systematic review of the scientific literature in the Medline (PubMed), Scopus, Cochrane Library and Web of Science databases through November 2016. Search equation: ("Multiple Sclerosis"[Mesh] OR "Multiple Sclerosis"[Title/Abstract] OR "Disseminated Sclerosis"[Title/Abstract] OR "Multiple Sclerosis Acute Fulminating"[Title/Abstract]) AND ("Nutritional Status"[Mesh] OR "Nutritional Status"[Title/Abstract] OR "Nutrition Status"[Title/Abstract]). The quality of the selected articles was discussed using the STROBE questionnaire. The search was completed through experts inquiry and additional review of the bibliographic references included in the selected papers. The concordance between authors (Kappa index) had to be higher than 80% for inclusion in this review. RESULTS: Of the 160 references recovered, after applying inclusion and exclusion criteria, 29 articles were selected for review. Concordance between evaluators was 100.00%. The most studies established vitamin D levels. Others focused their research on finding out which nutrient deficits might be related to the multiple sclerosis development. CONCLUSIONS: Vitamin D may influence multiple sclerosis improvement. Sunlight and physical activity would be important factors, with nutritional status, in the course of this disease. It is necessary to produce new specific works that will delve into the subject to find out more about the relationship between nutritional status and multiple sclerosis.

Efectos del estado nutricional en la enfermedad de la esclerosis múltiple: revisión sistemática / Effects of nutritional status on the multiple sclerosis disease: systematic review

Objetivo: revisar la literatura científica existente sobre los efectos del estado nutricional en la esclerosis múltiple. Método: revisión sistemática de la literatura científica recogida en las bases de datos Medline (PubMed), Scopus, Cochrane Library y Web of Science, hasta noviembre de 2016. Ecuación de búsqueda: ("Multiple Sclerosis"[Mesh] OR "Multiple Sclerosis"[Title/Abstract] OR "Disseminated Sclerosis"[Title/Abstract] OR "Multiple Sclerosis Acute Fulminating"[Title/Abstract]) AND ("Nutritional Status"[Mesh] OR "Nutritional Status"[Title/Abstract] OR "Nutrition Status"[Title/Abstract]). La calidad de los artículos se evaluó mediante el cuestionario STROBE. Se completó la búsqueda con la consulta a expertos y la revisión de la bibliografía de los artículos seleccionados. Resultado: de las 160 referencias recuperadas, tras aplicar los criterios de inclusión y exclusión, se seleccionaron para la revisión 29 artículos. La gran mayoría de los estudios determinaron los niveles de vitamina D. Otros centraron su búsqueda en averiguar qué déficits de nutrientes podrían estar relacionados con el desarrollo de la esclerosis múltiple. Conclusiones: la vitamina D puede influir en la mejora de la esclerosis múltiple. La luz solar y la actividad física serían factores importantes, junto con el estado nutricional, en el curso de dicha enfermedad. Sería necesaria la generación de nuevos trabajos específicos que profundizaran en el tema para averiguar más acerca de la relación existente entre el estado nutricional y la esclerosis múltiple (AU)

Objective: To review the available scientific literature about the effects of nutritional status on the multiple sclerosis disease. Methods: A systematic review of the scientific literature in the Medline (PubMed), Scopus, Cochrane Library and Web of Science databases through November 2016. Search equation: ("Multiple Sclerosis"[Mesh] OR "Multiple Sclerosis"[Title/Abstract] OR "Disseminated Sclerosis"[Title/ Abstract] OR "Multiple Sclerosis Acute Fulminating"[Title/Abstract]) AND ("Nutritional Status"[Mesh] OR "Nutritional Status"[Title/Abstract] OR "Nutrition Status"[Title/Abstract]). The quality of the selected articles was discussed using the STROBE questionnaire. The search was completed through experts inquiry and additional review of the bibliographic references included in the selected papers. The concordance between authors (Kappa index) had to be higher than 80% for inclusion in this review. Results: Of the 160 references recovered, after applying inclusion and exclusion criteria, 29 articles were selected for review. Concordance between evaluators was 100.00%. The most studies established vitamin D levels. Others focused their research on finding out which nutrient deficits might be related to the multiple sclerosis development. Conclusions: Vitamin D may influence multiple sclerosis improvement. Sunlight and physical activity would be important factors, with nutritional status, in the course of this disease. It is necessary to produce new specific works that will delve into the subject to find out more about the relationship between nutritional status and multiple sclerosis (AU)