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J Korean Neurosurg Soc. 1998 Feb;27(2):172-177. Korean. Original Article.
Kim DY , Jeon SR , Chang UK , Kim HJ .
Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.

To determine the effects and its complications of ventral cervical and selective spinal accessory nerve rhizotomy in the spasmodic torticollis, 14 patients who had undergone surgery between 1989 and 1997 were reviewed retrospectively. In overall twenty four operations were performed. The ventral cervical rhizotomy with spinal accessory nerve rhizotomy were performed in nine patients and the ventral cervical rhizotomy without spinal accessory nerve rhizotomy were done in two patients. Five cases of sternocleidomastoid myotomy with or without peripheral accessory neurectomy, and the five cases of peripheral accessory neurectomy were also performed. In two patients, the selective peripheral denervations were performed. In overall thirteen patients(93%) showed improvement in their condition. Of the eleven patients with the ventral cervical rhizotomy and spinal accessory nerve rhizotomy, nine patients(82%) improved. Five patients suffered from dysphagia or dysphonia postoperatively for several months, but one patient is having more than two years. Of these six patients, five patients had undergone the bilateral upper cervical rhizotomy and bilateral accessory nerve rhizotomy. Therefore to reduce the postoperative dysphagia or dysphonia, the authors recommend to save the unilateral cervical ventral roots or unilateral accessory nerve root. The authors also stress that the selective peripheral denervation would be the choice of operation in cases with the spasmodic torticollis because of its effectiveness and rarity of complications.

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