IMPORTANCE: Congenital Zika syndrome virus infection is said to interfere in children's development. OBJECTIVE: evaluate gross motor trajectories and the frequency of cerebral palsy in children with congenital Zika syndrome. DESIGN: Cohort study applying the Alberta Infant Motor Scale (AIMS) and the Bayley III Scales in infants from 6 to 18 months of age. SETTING: The SARAH network, Rio de Janeiro. PARTICIPANTS: Thirty-nine infants whose diagnoses were established through clinical history, serology tests, and neuroimaging findings. Main outcomes and measures: Congenital Zika syndrome is associated with severe motor delays and is a risk factor to the diagnosis of cerebral palsy. RESULTS: The Alberta Infant Motor Scale mean raw score at 6 months was 9.74 (SD 4.80) or equivalent to 2 to 3 months of motor developmental age. At the age of 12 months, 14.13 (SD 11.90), corresponding to 3 to 4 months of motor development age; the Bayley III Scales results correlated to the Alberta Infant Motor Scale ( P < .001) at this age. At 18 months, 15.77 (SD 13.80) or a motor development equivalent to 4 to 5 months of age. Thirty-five of 39 children (89.7%) met criteria for the diagnosis of cerebral palsy. Conclusions and relevance: Gross motor development marginally progresses from 6 to 18 months of age. These individuals also displayed a high frequency of cerebral palsy.
IMPORTANCE: Congenital Zika syndrome virus infection is said to interfere in children's development. OBJECTIVE: evaluate gross motor trajectories and the frequency of cerebral palsy in children with congenital Zika syndrome. DESIGN: Cohort study applying the Alberta Infant Motor Scale (AIMS) and the Bayley III Scales in infants from 6 to 18 months of age. SETTING: The SARAH network, Rio de Janeiro. PARTICIPANTS: Thirty-nine infants whose diagnoses were established through clinical history, serology tests, and neuroimaging findings. Main outcomes and measures: Congenital Zika syndrome is associated with severe motor delays and is a risk factor to the diagnosis of cerebral palsy. RESULTS: The Alberta Infant Motor Scale mean raw score at 6 months was 9.74 (SD 4.80) or equivalent to 2 to 3 months of motor developmental age. At the age of 12 months, 14.13 (SD 11.90), corresponding to 3 to 4 months of motor development age; the Bayley III Scales results correlated to the Alberta Infant Motor Scale ( P < .001) at this age. At 18 months, 15.77 (SD 13.80) or a motor development equivalent to 4 to 5 months of age. Thirty-five of 39 children (89.7%) met criteria for the diagnosis of cerebral palsy. Conclusions and relevance: Gross motor development marginally progresses from 6 to 18 months of age. These individuals also displayed a high frequency of cerebral palsy.
Entities:
Keywords:
cerebral palsy; congenital Zika syndrome; gross motor development
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