OBJECTIVE: The objective of the study was to compare neonatal morbidity and long-term neurodevelopmental outcome between very preterm infants with placental underperfusion and very preterm infants with histological chorioamnionitis. STUDY DESIGN: We measured the mental and motor development at age 2 and 7 years in 51 very preterm infants with placental underperfusion and 21 very preterm infants with histological chorioamnionitis. RESULTS: At 2 years, very preterm infants with placental underperfusion had poorer mental development than very preterm infants with histological chorioamnionitis (mean [SD] 90.8 [18.3] vs 104.1 [17.2], adjusted d = 1.12, P = .001). Motor development was not different between both groups (92.8 [17.2] vs 96.8 [8.7], adjusted d = 0.52, P = .12). At 7 years, large, although nonsignificant, effects were found for better mental and motor development and fewer behavioral problems in infants with histological chorioamnionitis. CONCLUSION: Placental pathology contributes to variance in mental development at 2 years and should be taken into account when evaluating neurodevelopmental outcome of very preterm infants.
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Fudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R ChinaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Zhou, Qi
Ong, Melissa
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Lewisham & Greenwich Trust, Dept Acute Med, London, EnglandFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Ong, Melissa
Ye, Xiang Y.
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Princess Margaret Hosp, Dept Biostat, Toronto, ON, CanadaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Ye, Xiang Y.
Ting, Joseph Y.
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Univ Alberta, Women & Childrens Hlth Res Inst, Dept Pediat, Div Neonatal Perinatal Care, Edmonton, AB, CanadaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Ting, Joseph Y.
Shah, Prakesh S.
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Mt Sinai Hosp, Dept Pediat, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Shah, Prakesh S.
Synnes, Anne
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Univ British Columbia, Dept Pediat, Vancouver, BC, CanadaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
Synnes, Anne
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Luu, Thuy Mai
Lee, Shoo K.
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Mt Sinai Hosp, Dept Pediat, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaFudan Univ, Dept Neonatol, Childrens Hosp, Shanghai, Peoples R China
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Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, Brazil
Fuentefria, Rubia N.
Silveira, Rita C.
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Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, Brazil
Silveira, Rita C.
Procianoy, Renato S.
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Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Newborn Sect, Dept Pediat, Porto Alegre, RS, Brazil