NDLI: Long-term assessment of post-cardiac-arrest neurological outcomes with somatosensory evoked potential in rats

Content Provider	IEEE Xplore Digital Library
Author	Xiaoxu Kang Wei Xiong Koenig, M. Puttgen, H.A. Xiaofeng Jia Geocadin, R. Thakor, N.
Copyright Year	2009
Description	Author affiliation: Department of Biomedical Engineering, Johns Hopkins School of Medicine, 720 Rutland Ave, Baltimore, MD, 212105 (Xiaoxu Kang) \|\| Department of Biomedical Engineering, Johns Hopkins University, 720 Rutland Ave, Baltimore, MD, 21205 (Xiaofeng Jia; Thakor, N.) \|\| Department of Neurology, Johns Hopkins Hospital, Meyer Building, 600 N. Wolfe Street, Baltimore, MD, 21205 (Wei Xiong; Koenig, M.; Puttgen, H.A.; Geocadin, R.)
Abstract	Cardiac arrest (CA) can produce complex changes in somatosensory evoked potentials (SSEPs). Somatosensory evoked potentials (SSEPs) indicate the intactness of somatosensory pathways and are commonly used for brain function monitoring during surgeries. Multiresolution biorthogonal wavelet analysis was applied to SSEPs recorded during established CA experiments and post-CA long-term recovery periods in rats. Our results showed that during the first 4 hours after CA, the amplitudes of SSEP, defined here as the difference between the amplitudes of P23 and N20, decreased greatly while the inter-peak latencies between N20 and P23 increased greatly. In the long-term recovery period (within 72 hours), both the amplitudes of SSEPs and the interpeak latencies returned to the baseline. Our results suggest that the changes of SSEPs may represent the post-CA neurological injuries and recovery in the somatosensory afferent pathways. The results here lay ground work for establishing the relationship between SSEPs and post-CA neurological injuries and functional outcomes as well as deploying SSEP in clinical settings to monitor patients resuscitated from CA in the future.
Starting Page	2196
Ending Page	2199
File Size	311640
Page Count	4
File Format	PDF
ISBN	9781424432967
ISSN	1557170X
DOI	10.1109/IEMBS.2009.5334918
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rats Delay Injuries Signal processing Biomedical engineering USA Councils Surges Wavelet analysis Patient monitoring Animals
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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