The importance of lactose intolerance in individuals with gastrointestinal symptoms.

Autor:	Martínez Vázquez SE; Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán. Electronic address: sophia.martinezv@incmnsz.mx., Nogueira de Rojas JR; Gastroenterología, Escuela de Medicina, UQI, Irapuato, Guanajuato., Remes Troche JM; Instituto de Investigaciones Médico-Biológicas de la Universidad Veracruzana., Coss Adame E; Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán., Rivas Ruíz R; Centro de Adiestramiento e Investigación Clínica, Coordinación de Investigación en Salud, Instituto Mexicano del Seguro Social, Ciudad de México, México., Uscanga Domínguez LF; Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán.
Jazyk:	English; Spanish; Castilian
Zdroj:	Revista de gastroenterologia de Mexico (English) [Rev Gastroenterol Mex (Engl Ed)] 2020 Jul - Sep; Vol. 85 (3), pp. 321-331. Date of Electronic Publication: 2020 May 29.
DOI:	10.1016/j.rgmx.2020.03.002
Abstrakt:	Lactose intolerance is a condition with an elevated prevalence worldwide, especially in Latin American, Asian, and African countries. The aim of the present narrative review was to highlight the importance of accurately diagnosing lactose intolerance to prevent self-diagnosis that results in the unnecessary elimination of milk and dairy products from the diet and the consequent deprivation of nutrients that could be essential at certain stages of life. The pathophysiologic mechanism of deficient lactose absorption in the intestine can be primary, secondary to other enteropathies, or coexistent with other intestinal diseases with similar symptoms, such as irritable bowel syndrome, bacterial overgrowth syndrome, or celiac disease, causing confusion in relation to diagnosis and treatment. Lactose intolerance consists of a set of symptoms attributed to the consumption of milk and dairy products that are assumed to be due to deficient digestion of that disaccharide. A wide range of tests have been validated to detect deficient digestion that include blood tests, genetic mutation analyses, breath tests, and recently, a urine test, all of which are described in the present article. Nevertheless, there are few validated questionnaires for symptom evaluation and measurement, partly due to the heterogeneity of concepts and the subjectivity of each of the symptoms. (Copyright © 2020 Asociación Mexicana de Gastroenterología. Publicado por Masson Doyma México S.A. All rights reserved.)
Databáze:	MEDLINE
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