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Bulbocavernosus reflex in patients with conus medullaris and cauda equina lesions

Authors
Journal
Journal of the Neurological Sciences
0022-510X
Publisher
Elsevier
Publication Date
Volume
41
Issue
2
Identifiers
DOI: 10.1016/0022-510x(79)90036-4

Abstract

Abstract The clinical value and practical application of the electrically induced BC reflex was investigated in 40 patients with traumatic or compressive lesions of the conus medullaris or cauda equina. It was shown that the BC reflex was either absent or delayed depending upon the involvement of the sacral 2–4 spinal and radicular segments. The latency of the BC reflex was normal in patients with mainly epiconus and lumbar cord involvement. The loss of the BC reflex in the acute period of traumatic lesions was an adverse prognostic sign while the presence of the reflex whether or not delayed, indicated a more benign final outcome of sphincter and sexual reflex disturbances. In chronic progressive compression, the latency of BC reflex was often delayed.

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