Nonsurgical, nonorthotic treatment of occipital plagiocephaly: what is the natural history of the misshapen neonatal head?

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Abstract
Plagiocephaly has recently received increased attention in pediatric neurosurgical circles and its treatment has been controversial. Lack of uniformity persists in the treatment of neonates with occipital plagiocephaly. Plagiocephaly resulting from synostosis is rare. Many patients with nonsynostotic plagiocephaly have been treated surgically. Cranial remodeling orthotic devices (such as headbands and helmets) have also been reported to correct nonsynostotic plagiocephaly. The cost of orthotic treatment has risen and its validity has been contested by many third-party insurance payers. The effectiveness of orthotic treatment has not been adequately compared to the natural history of nonsynostotic plagiocephaly. The first phase of a natural history study was initiated in June 1995 at Phoenix Children's Hospital. All new patients referred with a diagnosis of plagiocephaly were categorized into two groups: those with mild-to-moderate asymmetry and those with moderate-to-severe asymmetry. Categories were determined by cephalic measurements. The patients with moderate-to-severe asymmetry were offered orthotic treatment with a cranial remodeling band. Those patients with mild-to-moderate asymmetry were observed with repeated measurements. Data in patients left untreated and followed for natural history were compared to our data published in 1994 for those treated with external cranial orthosis. Our published data in 47 patients treated with a headband during the period from 1988 to 1993 indicated that cranial vault asymmetry improved from a mean of 8.9 mm to 4 mm over an average treatment period of 4.3 months beginning when the average age of the patient was 5.9 months. Seventy-two neonates treated with neck stretching exercises and repositioning of the head without surgery or orthotic devices showed improvement in cranial vault asymmetry from 10.6 mm to 5.5 mm over an average treatment period of 4.5 months beginning when the average age of the patient was 4.5 months. This study indicates that neonates with mild-to-m oderate asymmetry who are less than 6 months of age and who are treated with physiotherapy and repositioning have similar improvement in cranial vault asymmetry as those treated with orthotic devices. The second phase of our study deals with neonates who have moderate-to-severe plagiocephaly.

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