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Chorioamnionitis and early childhood outcomes among extremely low-gestational-age neonates. 2014

Athina Pappas, and Douglas E Kendrick, and Seetha Shankaran, and Barbara J Stoll, and Edward F Bell, and Abbott R Laptook, and Michele C Walsh, and Abhik Das, and Ellen C Hale, and Nancy S Newman, and Rosemary D Higgins, and
Department of Pediatrics, Wayne State University, Detroit, Michigan.

OBJECTIVE Chorioamnionitis is strongly linked to preterm birth and neonatal infection. The association between histological and clinical chorioamnionitis and cognitive, behavioral, and neurodevelopmental outcomes among extremely preterm neonates is less clear. We evaluated the impact of chorioamnionitis on 18- to 22-month neurodevelopmental outcomes in a contemporary cohort of extremely preterm neonates. OBJECTIVE To compare the neonatal and neurodevelopmental outcomes of 3 groups of extremely low-gestational-age infants with increasing exposure to perinatal inflammation: no chorioamnionitis, histological chorioamnionitis alone, or histological plus clinical chorioamnionitis. METHODS Longitudinal observational study at 16 centers of the Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network. Two thousand three hundred ninety extremely preterm infants born at less than 27 weeks' gestational age (GA) between January 1, 2006, and December 31, 2008, with placental histopathology and 18 to 22 months' corrected age follow-up data were eligible. METHODS Chorioamnionitis. METHODS Outcomes included cerebral palsy, gross motor functional limitation, behavioral scores (according to the Brief Infant-Toddler Social and Emotional Assessment), cognitive and language scores (according to the Bayley Scales of Infant and Toddler Development, Third Edition), and composite measures of death/neurodevelopmental impairment. Multivariable logistic and linear regression models were developed to assess the association between chorioamnionitis and outcomes while controlling for important variables known at birth. RESULTS Neonates exposed to chorioamnionitis had a lower GA and higher rates of early-onset sepsis and severe periventricular-intraventricular hemorrhage as compared with unexposed neonates. In multivariable models evaluating death and neurodevelopmental outcomes, inclusion of GA in the model diminished the association between chorioamnionitis and adverse outcomes. Still, histological plus clinical chorioamnionitis was associated with increased risk of cognitive impairment as compared with no chorioamnionitis (adjusted odds ratio [OR], 2.38 [95% CI, 1.32 to 4.28] without GA; adjusted OR, 2.00 [95% CI, 1.10 to 3.64] with GA as a covariate). Histological chorioamnionitis alone was associated with lower odds of death/neurodevelopmental impairment as compared with histological plus clinical chorioamnionitis (adjusted OR, 0.68 [95% CI, 0.52 to 0.89] without GA; adjusted OR, 0.66 [95% CI, 0.49 to 0.89] with GA as a covariate). Risk of behavioral problems did not differ statistically between groups. CONCLUSIONS Antenatal exposure to chorioamnionitis is associated with altered odds of cognitive impairment and death/neurodevelopmental impairment in extremely preterm infants.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007235 Infant, Premature, Diseases Diseases that occur in PREMATURE INFANTS.
D008137 Longitudinal Studies Studies in which variables relating to an individual or group of individuals are assessed over a period of time. Bogalusa Heart Study,California Teachers Study,Framingham Heart Study,Jackson Heart Study,Longitudinal Survey,Tuskegee Syphilis Study,Bogalusa Heart Studies,California Teachers Studies,Framingham Heart Studies,Heart Studies, Bogalusa,Heart Studies, Framingham,Heart Studies, Jackson,Heart Study, Bogalusa,Heart Study, Framingham,Heart Study, Jackson,Jackson Heart Studies,Longitudinal Study,Longitudinal Surveys,Studies, Bogalusa Heart,Studies, California Teachers,Studies, Jackson Heart,Studies, Longitudinal,Study, Bogalusa Heart,Study, California Teachers,Study, Longitudinal,Survey, Longitudinal,Surveys, Longitudinal,Syphilis Studies, Tuskegee,Syphilis Study, Tuskegee,Teachers Studies, California,Teachers Study, California,Tuskegee Syphilis Studies
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002547 Cerebral Palsy A heterogeneous group of nonprogressive motor disorders caused by chronic brain injuries that originate in the prenatal period, perinatal period, or first few years of life. The four major subtypes are spastic, athetoid, ataxic, and mixed cerebral palsy, with spastic forms being the most common. The motor disorder may range from difficulties with fine motor control to severe spasticity (see MUSCLE SPASTICITY) in all limbs. Spastic diplegia (Little disease) is the most common subtype, and is characterized by spasticity that is more prominent in the legs than in the arms. Pathologically, this condition may be associated with LEUKOMALACIA, PERIVENTRICULAR. (From Dev Med Child Neurol 1998 Aug;40(8):520-7) Diplegic Infantile Cerebral Palsy,Little Disease,Monoplegic Cerebral Palsy,Quadriplegic Infantile Cerebral Palsy,Spastic Diplegia,CP (Cerebral Palsy),Cerebral Palsy, Athetoid,Cerebral Palsy, Atonic,Cerebral Palsy, Congenital,Cerebral Palsy, Diplegic, Infantile,Cerebral Palsy, Dyskinetic,Cerebral Palsy, Dystonic-Rigid,Cerebral Palsy, Hypotonic,Cerebral Palsy, Mixed,Cerebral Palsy, Monoplegic, Infantile,Cerebral Palsy, Quadriplegic, Infantile,Cerebral Palsy, Rolandic Type,Cerebral Palsy, Spastic,Congenital Cerebral Palsy,Diplegia, Spastic,Infantile Cerebral Palsy, Diplegic,Infantile Cerebral Palsy, Monoplegic,Infantile Cerebral Palsy, Quadriplegic,Little's Disease,Monoplegic Infantile Cerebral Palsy,Rolandic Type Cerebral Palsy,Athetoid Cerebral Palsy,Atonic Cerebral Palsy,Cerebral Palsies, Athetoid,Cerebral Palsies, Dyskinetic,Cerebral Palsies, Dystonic-Rigid,Cerebral Palsies, Monoplegic,Cerebral Palsy, Dystonic Rigid,Cerebral Palsy, Monoplegic,Diplegias, Spastic,Dyskinetic Cerebral Palsy,Dystonic-Rigid Cerebral Palsies,Dystonic-Rigid Cerebral Palsy,Hypotonic Cerebral Palsies,Hypotonic Cerebral Palsy,Mixed Cerebral Palsies,Mixed Cerebral Palsy,Monoplegic Cerebral Palsies,Spastic Cerebral Palsies,Spastic Cerebral Palsy,Spastic Diplegias
D002653 Child Behavior Disorders Disturbances considered to be pathological based on age and stage appropriateness, e.g., conduct disturbances and anaclitic depression. This concept does not include psychoneuroses, psychoses, or personality disorders with fixed patterns. Childhood Behavior Disorders,Behavior Disorder, Child,Behavior Disorder, Childhood,Child Behavior Disorder,Childhood Behavior Disorder,Disorder, Childhood Behavior
D002658 Developmental Disabilities Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (From American Psychiatric Glossary, 6th ed) Child Development Deviations,Child Development Disorders,Child Development Disorders, Specific,Developmental Delay Disorders,Disabilities, Developmental,Development Disorders, Child,Child Development Deviation,Child Development Disorder,Development Deviation, Child,Development Deviations, Child,Development Disorder, Child,Developmental Delay Disorder,Developmental Disability,Deviation, Child Development,Disability, Developmental
D002821 Chorioamnionitis INFLAMMATION of the placental membranes (CHORION; AMNION) and connected tissues such as fetal BLOOD VESSELS and UMBILICAL CORD. It is often associated with intrauterine ascending infections during PREGNANCY. Amnionitis,Funisitis,Amnionitides,Chorioamnionitides,Funisitides
D003072 Cognition Disorders Disorders characterized by disturbances in mental processes related to learning, thinking, reasoning, and judgment. Overinclusion,Disorder, Cognition,Disorders, Cognition

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