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Title: EVALUATION OF DEVELOPMENTAL OUTCOMES WITH BAYLEY III TEST IN PRETERM INFANTS WITH RESPIRATORY DISTRESS SYNDROME.
Author: Kherkheulidze M, Chkhaidze I, Kavlashvili N, Kandelaki E, Adamia N, Abelashvili D, Tabatadze T.
Journal: Georgian Med News; 2018 Jun; (279):67-73. PubMed ID: 30035724.
Abstract:
Aim of our study was assessment of developmental outcome of neonates with respiratory distress syndrome, evaluation of the impact of RDS on child's health, growth and neurodevelopment at 2 years of age. Case control study included 138 children, from those, 74 preterm (gestational age 32-36 weeks), who were divided into 2 study groups: I groups - involved 38 preterm with RDS and II group - 36 preterm patients without RDS and other neonatal problems. Control group included 42 patients born term with uncomplicated history. To assess the impact of RDS without other co-factors, we excluded from the study children with congenital malformations, genetic and metabolic disorders; intracranial hemorrhage, neuromuscular diseases, severe hyperbilirubinemia, sepsis, congenital infections as well as family with drug or alcohol addiction, severe mental disorder, parents younger than 17 years of age at the time of the baby's birth. The study and control group were homogenous based on family social-economic status, parents education, mean parental age, mother health status, to minimize the bias. We assessed the health status, physical growth and development of children at mean age (corrected age) of 24+4 months. Physical growth was assessed based on the WHO Standard Deviation growth charts, health status based on detailed history and clinical examination, child development was assessed using Bayley Scales of Infant and toddler development III. We calculate composite scores for each sphere and compare mean composite scores of each group to each other. Statistical analyses were based on SPSS 17. The assessment of the health shows that children with RDS as well as prematurely born children without RDS have more respiratory infections during first years of life and more hospitalization than control group. The p-value is >0,5 comparing children with RDS and children with prematurity without RDS, but p < 0,05 if we compare the both group of premature with control group of term infants. Our study does not show that RDS affects significantly the prevalence of acute respiratory infections. The main causes of hospitalization in studied as well as in control group are respiratory tract infections and diarrhea. Growth assessment does not show significant difference in child's height and head circumference, while the percentage of children with underweight according corrected age was more evident in I and II group than in control (p=0,0401). The motor composite scores are lower in premature infants with RDS, but it does not show the significant difference (p=0.7755) compared to second group of premature infants without RDS, at the same time comparing both groups to controls show significant difference (P =0.0021). Mostly were affected fine motor abilities. Assessment of the cognitive scores does not show difference between study and control groups, while the language developmental scores in first and second group were significantly lower than in control (P < 0.0001), but there was no difference between I and groups. We found that premature children at 2 years of age despite RDS have lower scores comparing to term newborns in fine motor and language development. Prematurity increases risk for neurodevelopmental impairments that is important to identify and start early intervention to improve the outcomes. It is shown that neonatal complications (Jaundice, infections, asphyxia and etc.) affect development more than prematurity itself, it is very important to conduct big cohort studies on neonates with RDS to identify the risks associated with RDS and its severity.

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