Intraoperative monitoring of somatosensory-evoked potential in the spinal cord rectification operation by means of wavelet analysis

W. Liu; M. H. Du; Francis H. Y. Chan; F. K. Lam; D. K. Luk; Y. Hu; Kan S. Man Fung; W. Qiu

doi:10.1117/12.323563

25 September 1998 Intraoperative monitoring of somatosensory-evoked potential in the spinal cord rectification operation by means of wavelet analysis

W. Liu, M. H. Du, Francis H. Y. Chan, F. K. Lam, D. K. Luk, Y. Hu, Kan S. Man Fung, W. Qiu

Author Affiliations +

Proceedings Volume 3545, International Symposium on Multispectral Image Processing (ISMIP'98); (1998) https://doi.org/10.1117/12.323563
Event: International Symposium on Multispectral Image Processing, 1998, Wuhan, China

Abstract

Recently there has been a considerable interest in the use of a somatosensory evoked potential (SEP) for monitoring the functional integrity of the spinal cord during surgery such as spinal scoliosis. This paper describes a monitoring system and signal processing algorithms, which consists of 50 Hz mains filtering and a wavelet signal analyzer. Our system allows fast detection of changes in SEP peak latency, amplitude and signal waveform, which are the main parameters of interest during intra-operative procedures.

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W. Liu, M. H. Du, Francis H. Y. Chan, F. K. Lam, D. K. Luk, Y. Hu, Kan S. Man Fung, and W. Qiu "Intraoperative monitoring of somatosensory-evoked potential in the spinal cord rectification operation by means of wavelet analysis", Proc. SPIE 3545, International Symposium on Multispectral Image Processing (ISMIP'98), (25 September 1998); https://doi.org/10.1117/12.323563

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