Combined photoplethysmographic monitoring of respiration rate and pulse: A comparison between different measurement sites in spontaneously breathing subjects

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Nilsson, LenaÖstergötlands Läns Landsting,Linköpings universitet,Anestesiologi med intensivvård,Hälsouniversitetet,Anestesi- och intensivvårdskliniken VIN (författare)

Combined photoplethysmographic monitoring of respiration rate and pulse : A comparison between different measurement sites in spontaneously breathing subjects

Artikel/kapitelEngelska2007

Förlag, utgivningsår, omfång ...

2007-08-15
Wiley,2007
printrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:liu-48544
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-48544URI
https://doi.org/10.1111/j.1399-6576.2007.01375.xDOI
http://kipublications.ki.se/Default.aspx?queryparsed=id:115858059URI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:ref swepub-contenttype
Ämneskategori:art swepub-publicationtype

Anmärkningar

Background: The non-invasive photoplethysmographic (PPG) signal reflects blood flow and volume in a tissue. The PPG signal shows variation synchronous with heartbeat (PPGc), as used in pulse oximetry, and variations synchronous with breathing (PPGr). PPGr has been used for non-invasive monitoring of respiration with promising results. Our aim was to investigate PPG signals recorded from different skin sites in order to find suitable locations for parallel monitoring of variations synchronous with heartbeat and breathing. Methods: PPG sensors were applied to the forearm, finger, forehead, wrist and shoulder on 48 awake healthy volunteers. From these sites, seven PPG signals were simultaneously recorded during normal spontaneous breathing over 10 min. Capnometry served as respiration and electrocardiogram (ECG) as pulse reference signals. PPG signals were compared with respect to power spectral content and squared coherence. Results: Forearm PPG measurement showed significantly higher power within the respiratory region of the power spectrum [median (quartile range) 42 (26)%], but significantly lower power within the cardiac region [9 (10)%] compared with the other skin sites. PPG finger measurement showed the opposite, in transmission mode, the power within the respiratory region was significantly lower [4 (10)%] and within the cardiac region significantly higher [45 (25)%] than the other sites. PPGc coherence values were generally high [>0.96 (0.08)], and PPGr coherence values lower [0.83 (0.35)-0.94 (0.17)]. Conclusion: Combined PPG respiration and pulse monitoring is possible, but there are significant differences between the respiratory and cardiac components of the PPG signal at different sites. © 2007 Acta Anaesthesiol Scand.

Ämnesord och genrebeteckningar

Monitoring
Photoplethysmography
Pulse
Pulse oximetry
Respiration
TECHNOLOGY
TEKNIKVETENSKAP

Biuppslag (personer, institutioner, konferenser, titlar ...)

Goscinski, T.Department of Anaesthesiology and Intensive Care, Linköping University Hospital, Linköping, Sweden (författare)
Kalman, S.Karolinska Institutet (författare)
Lindberg, Lars-GöranLinköpings universitet,Tekniska högskolan,Fysiologisk mätteknik(Swepub:liu)larli69 (författare)
Johansson, AndersLinköpings universitet,Tekniska högskolan,Fysiologisk mätteknik(Swepub:liu)andjo15 (författare)
Linköpings universitetAnestesiologi med intensivvård (creator_code:org_t)

Sammanhörande titlar

Ingår i:Acta Anaesthesiologica Scandinavica: Wiley51:9, s. 1250-12570001-51721399-6576

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Av författaren/redakt...: Nilsson, Lena; Goscinski, T.; Kalman, S.; Lindberg, Lars-G ...; Johansson, Ander ...

Artiklar i publikationen: Acta Anaesthesio ...

Av lärosätet: Linköpings universitet; Karolinska Institutet

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