Facultad de Ciencias Químicas

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Browsing Facultad de Ciencias Químicas by Subject "Alergia Alimentaria"

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    Factores de riesgo asociados a alergia alimentaria: una revisión de estudios en niños y adolescentes
    (Universidad de Cuenca, 2016-05) García, Ana; Córdova, Diana; Zuñiga, Gabriela
    Abstract: Food allergy is an adverse reaction caused by immunological mechanisms that affects most often to 5% of children and 3% - 4% of adults. In the scientific literature have been implicated genetic, socio-demographic, pre and post-natal, nutritional and environmental risk factors reporting variable and inconsistent results. In this context, this article makes a literature review about probable factors associated with the development of food allergy, for which we considered those publications from maximum 10 years ago, which helps to clarify the findings until now. According to this review, factors such as heredity of atopy, atopic diseases, age, gender, maternal age and exposure to cigarette were considered as high association to the development of food allergy because there is a wide and consistent association in several studies. While factors such as ethnicity, socioeconomic status, gestational age, type of delivery, birth weight, breastfeeding, age of introduction of solid foods, vitamin D intake in maternal diet, type of formula, contact with animals, day care attendance, number of older brothers and geographical areas have been considered as low association since research shows to be inconsistent or isolated.
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    Prevalencia de alergia alimentaria auto-reportada en adolescentes de Cuenca y Santa Isabel - Ecuador
    (Universidad de Cuenca, 2016-09) Morillo Argudo, Diana Alexandra; Ochoa Avilés, Angélica María; Rodas, Claudia; Córdova, Diana; Zúñiga, Gabriela; García, Ana; Chávez, Ana Cristina; Ramírez, Patricia; Andrade, Susana
    Food allergy (FA) is associated with the development of atopic diseases and anaphylaxis in adolescents. It was determined and compared among adolescents Cuenca and Santa Isabel: i) self-reported FA prevalence, ii) common food allergens and iii) self-reported atopic diseases. Crosssectional study was conducted in adolescents from Cuenca (n = 967) and Santa Isabel (n = 498) between July 2013 and July 2014. Data were collected through self-reported FA questionnaires. The prevalence of self-reported FA was 27.8% (Cuenca 31.5% vs. Santa Isabel 21.1 %; P <0.001). Additives were the major foods reported followed by the non-citrus fruits. 20.4% of adolescents who reported atopic diseases also reported suggestive symptoms of FA, while 7.4% of adolescents who reported suggestive symptoms of FA didn’t report atopic diseases (OR 3.39, 95% CI 2.6 to 4.4, P <0.001). In conclusion, self-reported additives and non-citrus fruits allergy were the most prevalent among adolescents in Cuenca and Santa Isabel. New foods usually not reported were identified. Adolescents with atopic disease were three times more likely to report FA than those who did not have atopic diseases.