Neurological, Cognitive, and Behavioural Outcome of Higher Order Multiple Births

Abstract

The purpose of this study was to assess the neurodevelopmental outcome in a larger cohort of higher order multiple births (HOM). To accomplish this, we analysed the perinatal records of 90 HOM from 28 pregnancies (69 triplets, 16 quadruplets and 5 quintuplets) born at the University Hospital Kiel during the period from 1980 to 1994. Sixty-eight out of 79 surviving children (87.2%) were re-examined at a median age of 7.8 years (range: 3 to 14.5 years). Re-examination included assessment of the neurological, psychomotor (Denver developmental scale, Columbia mental maturity scale), and behavioural (childhood behaviour checklist) status. Perinatal mortality was 12%. In 62% of subjects, neurological and cognitive status at follow-up were completely normal; 32% revealed minor and 6% major neurodevelopmental deficits. Comparison between VLBW and LBW HOM disclosed significantly more neurological deficits, lower IQs and more behaviour problems in children with VLBW. Especially social problems, attention deficit, anxiety and depression symptoms were more frequent in the VLBW HOM than in the LBW HOM group. VLBW HOM parents felt significantly more stressed and VLBW HOM mothers reported reduced coping skills. These findings suggest that the overall cognitive and neurological outcome of HOM surviving the neonatal period is good, but that minor neurocognitive deficits are frequent. LBW HOM have less neurological and behaviour problems than VLBW HOM.

Key words

prematurity - perinatal mortality - cognitive development - neurological development - socio-emotional development

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