title: Intake of antioxidant nutrients and coefficients of variation in pregnant women with preeclampsia.
abstract: OBJECTIVE
  Oxidative stress appears to play a critical role in the pathogenesis of preeclampsia. Evidence suggests that adequate intake of antioxidants can modulate this condition. The objective of this study was to assess the intake of antioxidant nutrients and coefficients of variation in pregnant women with preeclampsia.
  
  
  METHODS
  In a cross-sectional study in the public health network of the city of Maceió, Brazil, a dietary survey was performed consisting of 24-hour food recalls, with subsequent adjustment of nutrients using the estimated average requirement as the cutoff point, and a questionnaire on frequency of consumption of antioxidants.
  
  
  RESULTS
  We studied 90 pregnant women with preeclampsia (PWP) and 90 pregnant women without preeclampsia (PWoP) with mean ages of 25.8±6.7 years and 24.1±6.2 years (p=0.519), respectively. A low mean intake of antioxidants (vitamin A, selenium, zinc and copper) was observed in both PWP and PWoP, although intakes of vitamin A (p=0.045) and selenium (p=0.008) were higher in PWoP. In addition, we observed high coefficients of variation in nutrient intakes in both groups, which were higher for vitamin C (p<0.001), vitamin A (p=0.006) and copper (p=0.005) in PWP.
  
  
  CONCLUSIONS
  Consumption of antioxidant nutrients by pregnant women with preeclampsia is inadequate, with considerable daily variations in intake, which points to a need for nutrition education strategies aimed at improving intakes, because diet is without doubt a key factor in the modulation of oxidative stress caused by preeclampsia.
authors: Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL, Brasil. Electronic address: alanecabral@gmail.com.
authors: Alane Cabral
authors: AC
authors: Menezes de Oliveira
authors: Hospital Universitário Professor Alberto Antunes, Universidade Federal de Alagoas (HUPPA/UFAL), Maceió, AL, Brasil.
authors: Arianne
authors: A
authors: Albuquerque Santos
authors: Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL, Brasil.
authors: Alexandra
authors: A
authors: Rodrigues Bezerra
authors: Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL, Brasil.
authors: Myrian Cicyanne
authors: MC
authors: Machado Tavares
authors: Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL, Brasil.
authors: Amanda Maria
authors: AM
authors: Rocha de Barros
authors: Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL, Brasil.
authors: Raphaela
authors: R
authors: Costa Ferreira
mesh_terms: D000328:Adult; D000975:Antioxidants / Q000008:administration & dosage*; D001938:Brazil; D003300:Copper / Q000008:administration & dosage; D003430:Cross-Sectional Studies; D004034:Diet Surveys; D005260:Female; D006801:Humans; D018384:Oxidative Stress / Q000187:drug effects*; D011225:Pre-Eclampsia / Q000378:metabolism*; D011247:Pregnancy; D012643:Selenium / Q000008:administration & dosage; D014801:Vitamin A / Q000008:administration & dosage; D014815:Vitamins / Q000008:administration & dosage; D055815:Young Adult; D015032:Zinc / Q000008:administration & dosage
chemical_list: D000975:Antioxidants; D014815:Vitamins; D014801:Vitamin A; D003300:Copper; D012643:Selenium; D015032:Zinc
keywords: Antioxidantes; Antioxidants; Estresse; Oxidative stress; Preeclampsia; Pré‐eclâmpsia