Relaxed pericranial flap for distraction osteogenesis to treat craniosynostosis: a technique for wound reinforcement—technical note

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Although distraction osteogenesis has been widely accepted to treat craniosynostosis, it occasionally results in wound complications. Positing that they are attributable to the tense pericranium under the scalp, we developed a simple technique to relax the pericranial flap.In 12- to 15-month-old infants (mean 13 months), we placed a coronal skin incision and dissected the scalp at the subgaleal layer. Then, we peeled the intact pericranium away from the skull along the planned osteotomy to obtain flaps with pedicles on the caudal part. After osteotomy and setting of the distraction device, the pericranial flaps freed from the scalp flap were repositioned to fit the osteotomy line, dura, and distraction device. The galea and skin were approximated layer by layer.The shape of the skull was successfully corrected, and the bone defect created by expansion was filled by osteogenesis in all patients. During a mean follow-up period of 42.2 months, we encountered no wound complications.The replaced relaxed pericranium closely adhered to the osteotomy, and the distraction device facilitated vascular growth and bone restoration. Bone resorption was prevented and skin expansion promoted. In patients with iatrogenic dural injury, the pericranium over the injured dura serves as a barrier to prevent cerebrospinal fluid leakage.

Journal

  • Child's Nervous System

    Child's Nervous System 30 1283-1286, 2014-05-04

    Springer Science and Business Media LLC

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