PMID: 11336905May 5, 2001Paper

Intraoperative monitoring of the bulbocavernosus reflex: the method and its problems

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
Z Rodi, D B Vodusek

Abstract

This study evaluates the method of intraoperative neurophysiological monitoring of the bulbocavemosus reflex (BCR) with reference to stimulation and detection. The study was performed on a group of 65 patients, 53 men and 12 women, who underwent surgery for lower thoracic and lumbar spinal trauma, with no neurological deficit prior to or following surgery. Stimulating electrodes were placed on the dorsum of the penis or the clitoris. Single and double stimuli were used, as well as trains of 3, 4 and 5 stimuli. Detecting wire electrodes were introduced into the perianal region. A single stimulus elicited the BCR in 50%, pairs in 75%, trains of 3 in 95%, and trains of 4 and 5 in 100% of patients. With placement of the detecting electrodes 2.5 cm deep to the skin, the BCR was detected in 13% of hemisphincters in women, and in 81% of hemisphincters in men. With controlled intramuscular placement of detecting electrodes, the BCR was detected in 97% of hemisphincters in men. With bifocal detection the BCR amplitudes were 30-312 mV (median 90), and interside amplitude ratio was 0.05-1 (median 0.66); with monofocal detection, amplitudes and interside amplitude ratio were 30-560 mV (median 200) and 0.15-1 (median 0.86), respectively. A ...Continue Reading

References

Apr 1, 1994·Neurosurgery·K KothbauerW Eisner
Aug 1, 1996·The Urologic Clinics of North America·D B Vodusek
Jan 1, 1997·Neurosurgery·V Deletis, D B Vodusek

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Citations

Nov 5, 2003·Neurourology and Urodynamics·David B Vodusek
Sep 10, 2013·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Francesco SalaCarlo Mazza
Oct 13, 2001·Neurophysiologie clinique = Clinical neurophysiology·D B Vodusek
Mar 13, 2009·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Bhojo Khealani, Aatif M Husain
Apr 4, 2012·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Matthew Eccher
Feb 25, 2014·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Francesco SalaClaudio Ghimenton
Feb 6, 2013·Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række·Ralf Peter MichlerIvar Rossvoll
Dec 18, 2007·Neurophysiologie clinique = Clinical neurophysiology·F SalaM Gerosa
Mar 21, 2006·Research in Veterinary Science·E Turan, O Bolukbasi
Sep 2, 2017·Journal of Neurosurgery. Pediatrics·Hyeoncheol HwangKeewon Kim
Oct 7, 2006·Current Opinion in Anaesthesiology·Matthew T V ChanKeith Y C Goh
Mar 10, 2018·Journal of Clinical Monitoring and Computing·Takeaki ShinjoMasahiko Kawaguchi
Aug 2, 2014·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Stanley A Skinner, David B Vodušek
Aug 2, 2014·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Francesco SalaMario Meglio
Sep 25, 2018·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Elif Ilgaz AydinlarMemet Metin Ozek
Apr 7, 2009·Muscle & Nerve·Vedran DeletisDavid Misita

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