Linked Life Data

8563463

Source:http://linkedlifedata.com/resource/pubmed/id/8563463

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1996-3-1
pubmed:abstractText
The non-invasive Finapres (finger arterial pressure) device is widely used for the measurement of arterial blood pressure (BP) in BP variability studies, in particular in experimental studies. In our work, we have noticed that the calibration pauses of the Finapres, occurring approximately every 80 heart beats, introduce artefacts in standard and time-dependent spectral analysis of the arterial BP signal. This report describes these artefacts and indicates their dependence on the heart rate (HR) of the subject. In standard spectral analysis, they appear principally for low HR subjects, whereas in time-dependent spectral analysis, they distort the time-dependent spectrum both for low and high HR subjects. A possible correction procedure is presented which eliminates these pauses, causing minimal distortion from the original arterial BP time series. This correction keeps the total time-duration of the corrected signal equal to that of the original signal, thus allowing reliable spectral analysis of arterial BP fluctuations to be performed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0959-9851
pubmed:author
pubmed:issnType
Print
pubmed:volume
5
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
295-301
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
Artefacts in standard and time-dependent spectral analysis of arterial blood pressure signals obtained by Finapres: importance and correction.
pubmed:affiliation
Abramson Center for Medical Physics, Sackler Faculty of Exact Sciences, Tel Aviv University, Israel.
pubmed:publicationType
Journal Article, Clinical Trial, Research Support, Non-U.S. Gov't