B L Hutchison1, A W Stewart, E A Mitchell. 1. Department of Paediatrics: Child and Youth Health, The University of Auckland, New Zealand. bl.hutchison@auckland.ac.nz
Abstract
OBJECTIVES: To compare head shape measurements, parental concern about head shape and developmental delays in infancy with measurements obtained at follow-up at ages 3 and 4 years. DESIGN: Longitudinal cohort study. SETTING: Initial assessments were conducted at a plagiocephaly clinic; follow-up assessments were conducted in the children's homes. PARTICIPANTS: 129 children with a mean age of 4 years (range 3 years 3 months to 4 years 9 months), all of whom were diagnosed in infancy with deformational plagiocephaly or brachycephaly. MAIN OUTCOME MEASURES: Head shape measurements of cephalic index and oblique cranial length ratio; level of parental concern about head shape; and delays on parent-completed age-appropriate Ages and Stages Questionnaires. RESULTS: 61% of head shape measurements reverted to the normal range; 4% remained severe at follow-up. Brachycephaly improved more than plagiocephaly. Facial and frontal asymmetry reduced to almost nil. Most had good improvement, but 13% were categorised as having 'poor improvement'. Initially, 85% of parents reported being 'somewhat' or 'very' concerned; this decreased to 13% at follow-up. The percentage of children with ≥1 delay decreased from 41% initially to 11% at follow-up. CONCLUSIONS: Overall, head shape measurements, parental concern and developmental delays in infancy showed a dramatic improvement when re-measured at 3 and 4 years of age.
OBJECTIVES: To compare head shape measurements, parental concern about head shape and developmental delays in infancy with measurements obtained at follow-up at ages 3 and 4 years. DESIGN: Longitudinal cohort study. SETTING: Initial assessments were conducted at a plagiocephaly clinic; follow-up assessments were conducted in the children's homes. PARTICIPANTS: 129 children with a mean age of 4 years (range 3 years 3 months to 4 years 9 months), all of whom were diagnosed in infancy with deformational plagiocephaly or brachycephaly. MAIN OUTCOME MEASURES: Head shape measurements of cephalic index and oblique cranial length ratio; level of parental concern about head shape; and delays on parent-completed age-appropriate Ages and Stages Questionnaires. RESULTS: 61% of head shape measurements reverted to the normal range; 4% remained severe at follow-up. Brachycephaly improved more than plagiocephaly. Facial and frontal asymmetry reduced to almost nil. Most had good improvement, but 13% were categorised as having 'poor improvement'. Initially, 85% of parents reported being 'somewhat' or 'very' concerned; this decreased to 13% at follow-up. The percentage of children with ≥1 delay decreased from 41% initially to 11% at follow-up. CONCLUSIONS: Overall, head shape measurements, parental concern and developmental delays in infancy showed a dramatic improvement when re-measured at 3 and 4 years of age.
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