Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study

Background: Obstructive sleep apnea (OSA) is a respiratory disorder characterized by recurrent airflow obstruction caused by total or partial collapse of the upper airway. The aim of this study is to compare the accuracy of the different indices derived from pulse oximetry using free software in the...

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Principais autores: Ricci, Paula Angélica, Costa, Fernando Souza Melo, Oliveira Júnior, Antonio Delfino, Mendes, Renata Gonçalves, Cabiddu, Ramona, Arena, Ross, Borghi-Silva, Audrey
Formato: Online
Idioma:eng
Publicado em: UFRN
Endereço do item:https://periodicos.ufrn.br/revistadefisioterapia/article/view/7933
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spelling oai:periodicos.ufrn.br:article-79332017-05-11T18:42:40Z Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study Ricci, Paula Angélica Costa, Fernando Souza Melo Oliveira Júnior, Antonio Delfino Mendes, Renata Gonçalves Cabiddu, Ramona Arena, Ross Borghi-Silva, Audrey overnight polysomnography pulse oximetry OSA oxygenation sleep saturation Background: Obstructive sleep apnea (OSA) is a respiratory disorder characterized by recurrent airflow obstruction caused by total or partial collapse of the upper airway. The aim of this study is to compare the accuracy of the different indices derived from pulse oximetry using free software in the diagnosis of severe OSA and to determine the relationship of these indices with the apnea-hypopnea index (AHI), cumulative time spent below 90% SpO2 (T90) and the oxygen desaturation event index (ODI).Methods: Cross-sectional study with 20 untreated severe OSA patients and 11 subjects with AHI<5 referred to a sleep laboratory. The AHI, T90 and ODI indices were calculated from pulse oximetry simultaneously during polysomnography. To analyze variability of SpO2 in each pulse wave  (SpO2V), interval of oxygen pulse wave (IOP) index, standard deviation of IOP (STDIOP), mean of oxygen saturation (MOS), root mean square of IOP standard deviation (SDIOP) of SpO2V were calculated.Results: OSA subjects presented with higher values of IOP, STDIOP, SDIOP when compared to controls (p<0.05). The area under the ROC curve of IOP, STDIOP, SDIOP were 0.93, 0.99, and 0.99, respectively. T90 demonstrated a positive correlation with IOP (r=0.94), STDIOP (r=0.64) and SDIOP (r=0.73) as well as ODI with IOP (r=0.79), STDIOP(r=0.78), SDIOP (r=0.73) and AHI with STDIOP (r 0=76), SDIOP (r=0.73). Conclusions: SpO2V was correlated with AHI, ODI and T90 indices and presented positive predictive value for OSA. The SpO2V could be useful and allows for a non-invasive widely applicable diagnostic technique for severe OSA. UFRN 2016-09-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artigo avaliado pelos Pares application/pdf https://periodicos.ufrn.br/revistadefisioterapia/article/view/7933 Journal of Respiratory and CardioVascular Physical Therapy; Vol. 4 No. 1 (2015); 3-11 Revista de Fisioterapia Respiratória e CardioVascular; v. 4 n. 1 (2015); 3-11 2238-4677 eng https://periodicos.ufrn.br/revistadefisioterapia/article/view/7933/7196 Copyright (c) 2016 Revista de Fisioterapia Respiratória e CardioVascular
institution Periódicos UFRN
collection Portal de Pediódicos Eletrônicos da UFRN
language eng
format Online
author Ricci, Paula Angélica
Costa, Fernando Souza Melo
Oliveira Júnior, Antonio Delfino
Mendes, Renata Gonçalves
Cabiddu, Ramona
Arena, Ross
Borghi-Silva, Audrey
spellingShingle Ricci, Paula Angélica
Costa, Fernando Souza Melo
Oliveira Júnior, Antonio Delfino
Mendes, Renata Gonçalves
Cabiddu, Ramona
Arena, Ross
Borghi-Silva, Audrey
Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
author_facet Ricci, Paula Angélica
Costa, Fernando Souza Melo
Oliveira Júnior, Antonio Delfino
Mendes, Renata Gonçalves
Cabiddu, Ramona
Arena, Ross
Borghi-Silva, Audrey
author_sort Ricci, Paula Angélica
title Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
title_short Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
title_full Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
title_fullStr Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
title_full_unstemmed Corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
title_sort corralation between desaturation indices of oxygen saturation variability in severe obstructive sleep apnea: a pilot study
description Background: Obstructive sleep apnea (OSA) is a respiratory disorder characterized by recurrent airflow obstruction caused by total or partial collapse of the upper airway. The aim of this study is to compare the accuracy of the different indices derived from pulse oximetry using free software in the diagnosis of severe OSA and to determine the relationship of these indices with the apnea-hypopnea index (AHI), cumulative time spent below 90% SpO2 (T90) and the oxygen desaturation event index (ODI).Methods: Cross-sectional study with 20 untreated severe OSA patients and 11 subjects with AHI<5 referred to a sleep laboratory. The AHI, T90 and ODI indices were calculated from pulse oximetry simultaneously during polysomnography. To analyze variability of SpO2 in each pulse wave  (SpO2V), interval of oxygen pulse wave (IOP) index, standard deviation of IOP (STDIOP), mean of oxygen saturation (MOS), root mean square of IOP standard deviation (SDIOP) of SpO2V were calculated.Results: OSA subjects presented with higher values of IOP, STDIOP, SDIOP when compared to controls (p<0.05). The area under the ROC curve of IOP, STDIOP, SDIOP were 0.93, 0.99, and 0.99, respectively. T90 demonstrated a positive correlation with IOP (r=0.94), STDIOP (r=0.64) and SDIOP (r=0.73) as well as ODI with IOP (r=0.79), STDIOP(r=0.78), SDIOP (r=0.73) and AHI with STDIOP (r 0=76), SDIOP (r=0.73). Conclusions: SpO2V was correlated with AHI, ODI and T90 indices and presented positive predictive value for OSA. The SpO2V could be useful and allows for a non-invasive widely applicable diagnostic technique for severe OSA.
publisher UFRN
publishDate 2016
url https://periodicos.ufrn.br/revistadefisioterapia/article/view/7933
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