Plagiocephaly after Neonatal Developmental Dysplasia of the Hip at School Age
1
Department of Children and Adolescents, Oulu University Hospital, 90029 Oulu, Finland
2
PEDEGO Research Center, University of Oulu, 90014 Oulu, Finland
3
Medical Research Center Oulu, University of Oulu, 90014, Oulu, Finland
4
Department of Oral Development and Orthodontics, Oulu University Hospital, 90014 Oulu, Finland
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2020, 9(1), 21; https://doi.org/10.3390/jcm9010021
Received: 12 November 2019 / Revised: 11 December 2019 / Accepted: 17 December 2019 / Published: 19 December 2019
(This article belongs to the Special Issue Positional Cranial Deformation: Etiology, Natural History, Prevention, Treatment and Sequelae)
Developmental dysplasia of the hip (DDH) may require early abduction treatment with infants sleeping on their back for the first few months of life. As sleeping on back is known to cause deformational plagiocephaly, we assessed school age children treated for dislocation or subluxation of the hip-joint in infancy. Plagiocephaly was analyzed by using cephalic index (CI) and oblique cranial length ratio (OCLR) as anthropometric measurements from 2D digital vertex view photographs. Six of the 58 (10.3%) DDH children and only one of the 62 (1.6%) control children had plagiocephaly (p = 0.041). Furthermore, cross bite was found in 14 (24.1%) of the DDH children and in 7 (10.3%) of the control children. Developmental dysplasia of the hip in infancy was associated with cranial asymmetries and malocclusions at school age. Preventive measures should be implemented.
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Keywords:
developmental dysplasia of the hip (DDH); plagiocephaly; brachycephaly; cephalic index (CI); oblique cranial length ratio (OCLR); 2D-imaging; cross bite
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Valkama, A M.; Aarnivala, H.I; Sato, K.; Harila, V.; Heikkinen, T.; Pirttiniemi, P. Plagiocephaly after Neonatal Developmental Dysplasia of the Hip at School Age. J. Clin. Med. 2020, 9, 21. https://doi.org/10.3390/jcm9010021
AMA Style
Valkama AM, Aarnivala HI, Sato K, Harila V, Heikkinen T, Pirttiniemi P. Plagiocephaly after Neonatal Developmental Dysplasia of the Hip at School Age. Journal of Clinical Medicine. 2020; 9(1):21. https://doi.org/10.3390/jcm9010021
Chicago/Turabian StyleValkama, A Marita; Aarnivala, Henri I; Sato, Koshi; Harila, Virpi; Heikkinen, Tuomo; Pirttiniemi, Pertti. 2020. "Plagiocephaly after Neonatal Developmental Dysplasia of the Hip at School Age" J. Clin. Med. 9, no. 1: 21. https://doi.org/10.3390/jcm9010021
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