JOURNAL ARTICLE

Grade and laterality of intraventricular haemorrhage to predict 18-22 month neurodevelopmental outcomes in extremely low birthweight infants

Stephanie L Merhar, Meredith E Tabangin, Jareen Meinzen-Derr, Kurt R Schibler
Acta Paediatrica 2012, 101 (4): 414-8
22220735

AIM: To determine whether extremely low-birthweight (ELBW) infants with bilateral compared to unilateral intraventricular haemorrhage (IVH) have worse neurodevelopmental outcomes at 18-22 months.

METHODS: A total of 166 ELBW infants (<1000 g) admitted to a Cincinnati NICU from 1998 to 2005 with a head ultrasound showing Grade I-IV IVH and neurodevelopmental assessment at 18-22 months corrected age were included. Multivariable linear and logistic regression models were developed to determine the impact of laterality and grade of IVH and other clinical variables to predict scores on the Bayley Scales of Infant Development, Second Edition, Mental Development Index and Psychomotor Development Index and the combined outcome of neurodevelopmental impairment (NDI).

RESULTS: Infants with bilateral grade IV IVH had lower adjusted mean Bayley scores compared with infants with unilateral grade IV IVH. For grades I, II and III IVH, bilaterality of IVH was not associated with lower mean Bayley scores. Infants with grade IV IVH had the highest odds of NDI. The probability of NDI increased with sepsis and postnatal steroid use.

CONCLUSION: ELBW infants with bilateral compared to those with unilateral grade IV IVH had worse neurodevelopmental outcomes. Infants with grades I-III IVH had similar outcomes whether they had unilateral or bilateral IVH.

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