Neonates born to mothers with preeclampsia exhibit sex-specific alterations in microvascular function.

Abstract:

:This study aimed to characterize early neonatal microvascular function after preeclamptic pregnancy with respect to infant sex and in utero growth. Peripheral microvascular blood flow was examined prospectively from 6 to 72 h of age using laser Doppler flowmetry in a cohort of term infants of normotensive women and women with late-onset preeclampsia. For male infants, those born to preeclamptic women had greater microvascular blood flow at 6 h (p < 0.05) with no change over time. Male infants of normotensive women exhibited increasing blood flow with time (p = 0.005). Female infants of preeclamptic mothers exhibited similar blood flow at 6 h of age to females of normotensive mothers, followed by significantly greater blood flow by 72 h (p < 0.001). Altered fetal microvascular structure and function in response to maternal preeclampsia may result in sexually dimorphic patterns of fetal growth and account for alterations in neonatal microvascular adaptation after birth.

journal_name

Pediatr Res

journal_title

Pediatric research

authors

Stark MJ,Clifton VL,Wright IM

doi

10.1203/pdr.0b013e318193edf1

subject

Has Abstract

pub_date

2009-03-01 00:00:00

pages

292-5

issue

3

eissn

0031-3998

issn

1530-0447

journal_volume

65

pub_type

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