Three-dimensional analysis of cranial and facial asymmetry after helmet therapy for positional plagiocephaly

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Myung Chul LeeIn Sik Yun

Abstract

Helmet therapy is a non-surgical option for treating positional plagiocephaly, and its effectiveness has been validated by various researches. In addition to cranial flattening and asymmetry, ipsilateral prominence of the mid-face and relative anterior transposition of the ipsilateral ear is also common. Hence, we investigated the impact of helmet therapy on mid-facial asymmetry. Ninety-nine patients diagnosed with positional plagiocephaly and treated by helmet therapy between September 2005 and July 2012 were enrolled. Therapy was initiated at various ages: group I, <6 months (n = 35); group II, 6 months to 1 year (n = 43); group III, >1 year (n = 21). A cranial vault asymmetry index was measured at the levels of the inferior orbital rim (CVAIIOR-MF) and superior orbital rim (CVAISOR-LC) and midway from the superior orbital rim to the vertex (CVAIMID-UC). Anterior transposition of the ipsilateral ear was verified by measuring the distance (D EAR) between the actual position of the ear and its expected position relative to the contralateral ear. All variables were compared before and after helmet therapy and were categorized by age at treatment initiation. CVAIIOR-MF and CVAISOR-LC were lower in all three age groups after helme...Continue Reading

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Citations

Mar 8, 2016·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Joyce P K HoRajesh Reddy
Feb 28, 2019·Journal of Binocular Vision and Ocular Motility·Anna SchweigertAndrew Harrison
May 2, 2019·Acta neurochirurgica·Federico Di RoccoCarmine Mottolese
Sep 5, 2019·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Serdar ÇevikAlper Özkılıç
May 7, 2019·The Journal of Craniofacial Surgery·Rami R HallacAlex A Kane
Jan 2, 2020·Journal of Clinical Medicine·Anniina M LaunonenVirpi Harila

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