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Nutritional profile of newborns with microcephaly and factors associated with worse outcomes

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Nutritional profile of newborns with microcephaly and factors associated with worse outcomes
Published in
Clinics, October 2019
DOI 10.6061/clinics/2019/e798
Pubmed ID

Samira Fernandes Morais dos Santos, Fernanda Valente Mendes Soares, Andrea Dunshee de Abranches, Ana Carolina Carioca da Costa, Saint Clair dos Santos Gomes-Júnior, Vania de Matos Fonseca, Maria Elisabeth Lopes Moreira


To describe the nutritional profile of newborns with microcephaly and factors associated with worse outcomes during the first 14 days of life. This investigation is a longitudinal, descriptive study carried out in 21 full-term neonates exposed vertically to the Zika virus and hospitalized in a neonatal intensive care unit from February to September 2016. Patients receiving parenteral nutrition were excluded. Data analysis was performed using a generalized estimating equation model and Student's t-test to evaluate the association between worsening weight-for-age z-scores and independent clinical, sociodemographic and nutritional variables during hospitalization, with p<0.05 indicating significance. During hospitalization, there was a decrease in the mean values of the weight-for-age z-scores. The factors associated with worse nutritional outcomes were symptomatic exposure to the Zika virus, low maternal schooling, absence of maternal income and consumption of infant formula (p<0.05). Calcification and severe microcephaly were also associated with poor nutritional outcomes. Energy and macronutrient consumption remained below the recommendations and had an upward trend during hospitalization. The presence of cerebral calcification, the severity of microcephaly and symptomatic maternal exposure to Zika virus affected the nutritional status of newborns. In terms of nutritional factors, human milk intake had a positive impact, reducing weight loss in the first days of life. Other known factors, such as income and maternal schooling, were still associated with a poor nutritional status.

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Geographical breakdown

Country Count As %
Unknown 45 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 16%
Student > Master 6 13%
Researcher 4 9%
Student > Doctoral Student 4 9%
Student > Postgraduate 3 7%
Other 10 22%
Unknown 11 24%
Readers by discipline Count As %
Medicine and Dentistry 8 18%
Immunology and Microbiology 4 9%
Nursing and Health Professions 3 7%
Psychology 3 7%
Agricultural and Biological Sciences 2 4%
Other 10 22%
Unknown 15 33%