Early human development · 2023
Maternal hypertensive pregnancy disorders increase childhood intellectual disability hazards independently from preterm birth and small for gestational age.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Wang Lan-Wan, Lin Hung-Chih, Tsai Ming-Luen, Chang Yu-Tzu, Chang Yu-Chia
Аннотация
BACKGROUND: Children of mothers with hypertensive-disorders-of-pregnancy (HDP) have high rates of preterm-birth (<37 weeks' gestation) and small-for-gestational-age (SGA), both of which are risk factors of intellectual disability (ID).
AIMS: To test the multiple-hit hypothesis that preterm-birth and SGA in the neonatal period might potentiate the antenatal impact of HDP to increase childhood ID hazards, and HDP might not have independent effects.
METHODS: This population-based cohort study enrolled 1,417,373 mother-child pairs between 2004 and 2011. A total of 19,457 pairs with HDP were identified and propensity-score-matched with 97,285 normotensive controls. Children were followed up for ID outcome until 6-13 years of age. HDP were classified into chronic-hypertension, gestational-hypertension, preeclampsia, and preeclampsia-with-chronic-hypertension. Using the normotensive group as the reference, the associations between HDP subgroups and ID hazards were assessed with adjusted hazard ratios (aHR) and 95 % confidence intervals (CI), and the effects of preterm-birth and SGA on the associations were examined.
RESULTS: The HDP group had higher cumulative rates of ID (1.6 %) than the normotensive group (0.9 %), particularly the subgroup of preeclampsia-with-chronic-hypertension (2.4 %), followed by preeclampsia (1.7 %), chronic-hypertension (1.5 %) and gestational hypertension (1.0 %). Preterm-birth and SGA exerted aggravating effects on ID hazards in children exposed to any HDP. After adjustments, maternal chronic-hypertension (aHR 1.59, 95 % CI 1.28-1.97), preeclampsia (1.52, 1.26-1.83), and preeclampsia-with-chronic-hypertension (1.86, 1.38-2.51) independently contributed to ID outcome.
CONCLUSIONS: Maternal HDP other than gestational hypertension increased offspring's ID hazards independently from the potentiating hits of preterm-birth and SGA, implicating long-lasting influence of in-utero HDP exposure on children's cognitive development.
AIMS: To test the multiple-hit hypothesis that preterm-birth and SGA in the neonatal period might potentiate the antenatal impact of HDP to increase childhood ID hazards, and HDP might not have independent effects.
METHODS: This population-based cohort study enrolled 1,417,373 mother-child pairs between 2004 and 2011. A total of 19,457 pairs with HDP were identified and propensity-score-matched with 97,285 normotensive controls. Children were followed up for ID outcome until 6-13 years of age. HDP were classified into chronic-hypertension, gestational-hypertension, preeclampsia, and preeclampsia-with-chronic-hypertension. Using the normotensive group as the reference, the associations between HDP subgroups and ID hazards were assessed with adjusted hazard ratios (aHR) and 95 % confidence intervals (CI), and the effects of preterm-birth and SGA on the associations were examined.
RESULTS: The HDP group had higher cumulative rates of ID (1.6 %) than the normotensive group (0.9 %), particularly the subgroup of preeclampsia-with-chronic-hypertension (2.4 %), followed by preeclampsia (1.7 %), chronic-hypertension (1.5 %) and gestational hypertension (1.0 %). Preterm-birth and SGA exerted aggravating effects on ID hazards in children exposed to any HDP. After adjustments, maternal chronic-hypertension (aHR 1.59, 95 % CI 1.28-1.97), preeclampsia (1.52, 1.26-1.83), and preeclampsia-with-chronic-hypertension (1.86, 1.38-2.51) independently contributed to ID outcome.
CONCLUSIONS: Maternal HDP other than gestational hypertension increased offspring's ID hazards independently from the potentiating hits of preterm-birth and SGA, implicating long-lasting influence of in-utero HDP exposure on children's cognitive development.