Adaptive signal enhancement of somatosensory evoked potential for spinal cord compression detection: an experimental study

The objective of this study was to assess the efficacy of adaptive signal enhancement (ASE) as a means of indicating intraoperative spinal cord impingement. ASE technique was used to determine the changes in the somatosensory evoked potential (SEP) elicited from eighteen rats with varying levels of...

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Published in:Computers in biology and medicine 2005-11, Vol.35 (9), p.814-828
Main Authors: Hu, Yong, Lam, Benny S.C., Chang, C.Q., Chan, Francis H.Y., Lu, W.W., Luk, Keith D.K.
Format: Article
Language:English
Subjects:
Adaptive signal enhancer
Algorithms
Animals
Ensemble averaging
Evoked Potentials, Somatosensory
Intraoperative spinal cord monitoring
Rats
Somatosensory evoked potential
Spinal Cord Compression - diagnosis
Spinal Cord Compression - physiopathology
Spinal cord injury
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container_issue 9
container_start_page 814
container_title Computers in biology and medicine
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creator Hu, Yong
Lam, Benny S.C.
Chang, C.Q.
Chan, Francis H.Y.
Lu, W.W.
Luk, Keith D.K.
description The objective of this study was to assess the efficacy of adaptive signal enhancement (ASE) as a means of indicating intraoperative spinal cord impingement. ASE technique was used to determine the changes in the somatosensory evoked potential (SEP) elicited from eighteen rats with varying levels of spinal cord compression. ASE technique was found to be able to effectively extract SEP signals for the detection of spinal cord injury. Furthermore, while the traditional ensemble averaging (EA) technique requires more than 500 trials for meaningful signal processing in severe noisy SEP recordings, the ASE method required only 50 trials to provide similar information. Because of its fast and reliable SEP detection, the ASE method is ideal for spinal cord monitoring in the clinical setting.
doi_str_mv 10.1016/j.compbiomed.2004.07.002
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1879-0534
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subjects Adaptive signal enhancer
Algorithms
Animals
Ensemble averaging
Evoked Potentials, Somatosensory
Intraoperative spinal cord monitoring
Rats
Somatosensory evoked potential
Spinal Cord Compression - diagnosis
Spinal Cord Compression - physiopathology
Spinal cord injury
title Adaptive signal enhancement of somatosensory evoked potential for spinal cord compression detection: an experimental study
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