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ニューロサイエンスの旅 Vol. 49

当科の高 正圭先生が書いた、新しい生体吸収性の頭蓋骨プレート・システムであるSonicWeld Rxの使用経験の論文が「脳神経外科」誌に掲載されました。従来のネジ切りの工程が不要で、超音波を用いて一気にスクリューを固定することで頭蓋骨の固定に要する時間を著しく短縮することが可能で、今後、小児神経外科の分野を中心に有用なデバイスになると考えられます。

高 正圭、赤井卓也、柏崎大奈、秋岡直樹、富田隆浩、永井正一、黒田 敏:小児開頭術における生体吸収性プレート固定システムSonic Weld RX® systemの有用性。脳外46:379-384, 2018
https://www.ncbi.nlm.nih.gov/pubmed/29794313

A Voyage to Depth of Neuroscience Vol. 49

Koh M, Akai T, Kashiwazaki D, Akioka N, Tomita T, Nagai S, Kuroda S.
Ultrasound-aided Fixation of a Biodegradable Cranial Fixation System:SonicWeld Rx® System in Pediatric Neurosurgery.
No Shinkei Geka. 2018 May;46(5):379-384

PURPOSE: Ultrasound-aided fixation of a biodegradable cranial fixation system called SonicWeld Rx®, has been widely applied in the fields of craniofacial surgery and plastic surgery. However, there are few reports that denote its use in the field of neurosurgery. This study aimed to evaluate the usefulness of SonicWeld Rx<sup>®</sup> system in pediatric neurosurgery.
METHODS: This study included 11 pediatric patients(10 boys, 1 girl), who underwent craniotomy for moyamoya disease, brain tumor, and arachnoid cyst. Their mean age was 6.4 years, ranging from 4 to 10 years. LactoSorb<sup>®</sup> system was applied in 6 patients and SonicWeld Rx<sup>®</sup> system in 5.
RESULTS: The time required for screw fixation was significantly shorter in the SonicWeld group(6.5±1.4sec)than in the LactoSorb group(13.4±2.8sec), with p<0.05. The quality of fixation strength was adequate in both groups. There were no perioperative complications related to the absorbable fixation device. A 3-D skull CT detected no malposition of the bone flap 3 months postoperatively. There were no scalp complications noted for an average of 21 months.
CONCLUSION: SonicWeld Rx® system can be easy and useful in fixing the bone flap to the cranium in the field of pediatric neurosurgery.

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