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MCS: Genotypic characterization, nutritional status and quality of life in 52 patient

Discussion in 'Other Health News and Research' started by hixxy, Mar 12, 2017.

  1. hixxy

    hixxy Senior Member

    Med Clin (Barc). 2017 Mar 7. pii: S0025-7753(17)30093-3. doi: 10.1016/j.medcli.2017.01.022. [Epub ahead of print]

    Multiple chemical sensitivity: Genotypic characterization, nutritional status and quality of life in 52 patients.

    Loria-Kohen V, Marcos-Pasero H, de la Iglesia R, Aguilar-Aguilar E, Espinosa-Salinas I, Herranz J, Ramírez de Molina A, Reglero G.


    Multiple chemical sensitivity (MCS) is a chronic, multisystem syndrome of unknown etiology. The aim of the present study was to describe the nutritional status and quality of life of patients suffering from MCS, as well as to identify potential polymorphisms associated with this illness.

    A cross-sectional, descriptive study was performed on patients with a diagnosis of MCS. Data on anthropometric and body composition variables, hand muscle strength and quality of life were collected. The selection of single nucleotide polymorphisms (SNPs) was based on genes previously associated with MCS and genes involved in inflammatory and oxidative stress pathways.

    A total of 52 patients (93.2% female), with a mean age of 50.9 (10.3) years were included in the study. Among them, based on their BMI, 48% had an inadequate nutritional status (17% were underweight and 32% were overweight or obese). Thirty percent of patients had a low muscle mass for their age, 84% had muscle strength below the tenth percentile, and 51.8% had a high fat mass percentage. Regarding quality of life, all median scores were lower than those of other illnesses assessed for every subscale assessed. Statistically significant differences between patient cases and controls were found with respect to rs1801133 (MTHFR), rs174546 (FADS1) and rs1801282 (PPARγ) polymorphisms.

    A high percentage of patients had a poor nutritional status, low muscle strength and decreased muscle mass. These facts exacerbate the already-lower quality of life of these patients. Specific genetic polymorphisms associated with the syndrome or its pathogenesis were not identified.

    Copyright © 2017 Elsevier España, S.L.U. All rights reserved.

    Calidad de vida; Genetic polymorphisms; Malnutrición; Malnutrition; Multiple chemical sensitivity; Polimorfismos genéticos; Quality of life; Sensibilidad química múltiple

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