ArticleNeurologia medico-chirurgica2024
Prevalence and Severity of Positional Posterior Plagiocephaly and Positional Posterior Brachycephaly in Children and Adolescents in Japan.
Article in Neurologia medico-chirurgica, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 6 citations in OpenAlex.
- Agreement and Screening Performance of an App-Based Cranial Shape Assessment Tool Compared With a 3D Scanner in Municipal Child Health Checkups in Japan: Instrument Validation Study.JMIR pediatrics and parenting · 2026Article
- Prevalence and Temporal Trends of Deformational Plagiocephaly and Brachycephaly in Finland: A Population-Based Register Study.The Journal of craniofacial surgery · 2026Article
- Age-related patterns and strong correlation between cranial and ear asymmetry in healthy children: a CT-based cross-sectional study.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2026Article
- Wormian bones: expanded differential diagnosis and implications for abnormal head shape in infancy.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2026Article
- Comparative analysis of goal attainment for helmet therapy versus conservative management for positional plagiocephaly in infants.Clinical and experimental pediatrics · 2025Article
- Cranial shape during early neonatal period in Japanese newborns: Observational study.Medicine · 2025Observational
- Natural Progression of Cranial Shape Following Helmet Therapy for Deformational Plagiocephaly.Journal of clinical medicine · 2025Article
- Assessment of Facial Asymmetry in Slovak Patients with Positional Deformity.Children (Basel, Switzerland) · 2024Article
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4 authors at 2 institutions in 1 country.
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Abstract
This study aimed to assess the prevalence, severity, and natural history of positional posterior plagiocephaly (PPP) and positional posterior brachycephaly in Japan. We conducted a cross-sectional study of pediatric patients, ranging from 0 to 15 years old, evaluated for head trauma with negative computed tomography (CT) findings. The cranial vault asymmetry index (CVAI) was calculated using CT images at the superior orbital rim. Asymmetry according to CVAI values was subcategorized as follows: mild (3.5%-7%), moderate (7%-12%), and severe (>12%). The results were analyzed according to different age groups: group 1, 2-23 months (54 patients); group 2, 2-6 years (123 patients); and group 3, 7-15 years (123 patients). Overall, 300 patients were included (109 [36.3%] girls and 191 [63.7%] boys). The overall prevalence of PPP in the 300 patients was 46.7% (140 patients). PPP prevalence decreased consistently with age group: group 1, 57.4%; group 2, 47.2%; and group 3, 41.5%. Severe asymmetry was seen in all age groups. The overall mean cephalic index (CI) was 85.2. Cephalic index scores decreased consistently with age: group 1, 87.4; group 2, 85.1; and group 3, 84.3. The prevalence of PPP in Japan was higher than that reported in other countries. Although there was an overall decrease in the prevalence and severity of PPP with increasing patient age, PPP does not necessarily resolve spontaneously in all children. Furthermore, severe asymmetry was seen across all age groups.
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