Variability of pulse signal frequency obtained using nocturnal pulse oximetry in patients with sleep apnoea/hypoapnoea syndrome

The measurement of central tendency (MCT) is a non-linear analysis technique which applied to second order differences diagrams enables the degree of variability to be quantified in a data series. In the present study an attempt is made to quantify and characterise the changes in heart rate obtained...

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Published in:Archivos de bronconeumología (English ed.) 2010-03, Vol.46 (3), p.116-121
Main Authors: del Campo Matía, Félix, Hornero Sánchez, Roberto, Zamarrón Sanz, Carlos, Alvarez González, Daniel, Víctor Marcos Martín, J
Format: Article
Language:Spanish
Subjects:
Female
Heart Rate
Humans
Male
Middle Aged
Oximetry - instrumentation
Polysomnography
Severity of Illness Index
Sleep Apnea, Obstructive - diagnosis
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container_issue 3
container_start_page 116
container_title Archivos de bronconeumología (English ed.)
container_volume 46
creator del Campo Matía, Félix
Hornero Sánchez, Roberto
Zamarrón Sanz, Carlos
Alvarez González, Daniel
Víctor Marcos Martín, J
description The measurement of central tendency (MCT) is a non-linear analysis technique which applied to second order differences diagrams enables the degree of variability to be quantified in a data series. In the present study an attempt is made to quantify and characterise the changes in heart rate obtained by pulse oximetry in patients with a clinical suspicion of sleep apnoea/hypoapnoea syndrome (SAHS) using the MCT and to evaluate its diagnostic use. A total of 187 patients were included in the study, on whom a nocturnal polysomnographic and pulse oximetry study was performed. To evaluate the variability of the heart rate the MCT applied to graphs of second order differences obtained from the heart rate record. Patients with SAHS had a higher heart rate variability than patients without SAHS (0.449 vs. 0.666, P
doi_str_mv 10.1016/j.arbres.2009.11.004
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source ScienceDirect Journals; Elsevier ScienceDirect Journals
subjects Female
Heart Rate
Humans
Male
Middle Aged
Oximetry - instrumentation
Polysomnography
Severity of Illness Index
Sleep Apnea, Obstructive - diagnosis
title Variability of pulse signal frequency obtained using nocturnal pulse oximetry in patients with sleep apnoea/hypoapnoea syndrome
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