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Brainstem auditory evoked potentials in Chiari-II malformation

✍ Scribed by Koreaki Mori; Yasufumi Uchida; Toshihiko Nishimura; Patrick Eghwrudjakpor

Publisher: Springer
Year: 1988
Tongue: English
Weight: 541 KB
Volume: 4
Category: Article
ISSN: 0256-7040
DOI: 10.1007/bf00270907

No coin nor oath required. For personal study only.

✦ Synopsis

Brainstem function in patients with Chiari-II malformation was evaluated by brainstem auditory-evoked potentials (BAEPs). All cases had associated hydrocephalus, some of which were shunted. The effect of the shunting operation on the wave forms was examined as well as the age-wave relationships. Although the shunting operation resulted in shortened brainstem conduction time, the overall postshunt responses were still far from normal. Another significant finding was that whereas there were remarkable abnormalities in recorded waveforms in cases younger than 8 years, normal or almost normal responses were obtained in all cases older than 8. BAEP abnormalities could not be correlated with the severity of meningomyelocele, nor was the predictive value of response in assessing potential risk of symptomatic Chiari malformation established.

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