Assessment of endothelial function by flow-mediated dilation of the brachial artery in adolescents with a history of preeclampsia or a normotensive pregnancy

  • Andrade J
  • Carvalho F
  • Mota R
  • et al.
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Abstract

Objectives: to determine the prevalence of endothelial dysfunction and its association with a history of mild and severe preeclampsia in adolescents. Methods: a cross-sectional study was carried out at the MEAC-UFC with 103 primiparous adolescents postpartum. The assessment of endothelial function was performed by way of flow-mediated dilatation of the brachial artery. Variables (age, body mass index, gestational age at delivery, systolic and diastolic blood pressure and flow-mediated dilation) were compared between groups. p<0.05 was considered to be statistically significant. Results: twenty-four (23.3%) patients had preeclampsia (PE): 11 mild and 13 severe. The overall prevalence of endothelial dysfunction was 23.3% (21.5% of patients with normotensive pregnancies and 29.2% of the PE patients: 18.2% of those with mild PE and 38.5% of those with severe PE). The figures were statistically significant for systolic blood pressure, p=0.007. Conclusions: patients with a history of PE have higher systolic blood pressure than patients with a history of normotensive pregnancy, but did not have more endothelial dysfunction.Objetivos: determinar a prevalência de disfunção endotelial e a associação com o antecedente de pré-eclâmpsia leve e grave em adolescentes. Métodos: estudo transversal conduzido na MEAC - UFC com 103 adolescentes primíparas no pós-parto. A avaliação da função endotelial foi realizada pela dilatação mediada por fluxo da artéria braquial. As variáveis (idade, índice de massa corporal, idade gestacional no parto, pressão arterial sistólica e diastólica e dilatação mediada por fluxo) foram comparadas entre os grupos. Considerou-se p<0,05 significância estatística. Resultados: vinte e quarto (23,3%) pacientes tiveram pré-eclâmpsia (PE): 11 PE leve e 13 PE grave. A prevalência geral de disfunção endotelial foi de 23,3% (21,5% das pacientes com gestações normotensas e 29,2% das PE: 18,2% daquelas com PE leve e 38,5% daquelas com PE grave). Houve significância estatística para pressão arterial sistólica, p=0,007. Conclusões: pacientes com história de PE apresentam pressão sistólica maior que pacientes com antecedente de gestação normotensa, mas não houve mais disfunção endotelial.

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Andrade, J. A. F. M., Carvalho, F. H. C., Mota, R. M. S., Andrade, G. A. M., Feitosa, H. N., Ibiapina, F. L. P., & Medeiros, F. das C. (2014). Assessment of endothelial function by flow-mediated dilation of the brachial artery in adolescents with a history of preeclampsia or a normotensive pregnancy. Revista Brasileira de Saúde Materno Infantil, 14(1), 81–90. https://doi.org/10.1590/s1519-38292014000100008

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