Document Detail

Photoplethysmography and nociception.
MedLine Citation:
PMID:  19572939     Owner:  NLM     Status:  MEDLINE    
Photoplethysmography (PPG), i.e. pulse oximetric wave, is a non-invasive technique that is used in anaesthesia monitoring primarily to monitor blood oxygenation. The PPG waveform resembles that of the arterial blood pressure but instead of pressure it is related to the volume changes in the measurement site and hence contains information related to the peripheral blood circulation, including skin vasomotion, which is controlled by the sympathetic nervous system. Because of this link, skin vasomotor response and PPG amplitude response have been associated with nociception under general anaesthesia. Recently, there has been interest in monitoring nociception during general anaesthesia. In many of the published studies, PPG waveform information has been included. The focus of this topical review is to provide an overview on the information embedded in the PPG waveform especially in the context of the autonomic nervous system and analgesia monitoring.
I Korhonen; A Yli-Hankala
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Publication Detail:
Type:  Journal Article     Date:  2009-06-30
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  53     ISSN:  1399-6576     ISO Abbreviation:  -     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-08-21     Completed Date:  2009-10-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  England    
Other Details:
Languages:  eng     Pagination:  975-85     Citation Subset:  IM    
Department of Anaesthesia, Tampere University Hospital, Tampere, Finland.
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MeSH Terms
Anesthesia, General
Monitoring, Intraoperative / methods*
Pain Measurement / methods*
Signal Processing, Computer-Assisted

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