Validation of an Overnight Wireless High-Resolution Oximeter plus Cloud-Based Algorithm for the Diagnosis of Obstructive Sleep Apnea

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art_PINHEIRO_Validation_of_an_Overnight_Wireless_HighResolution_Oximeter_plus_2020.PDF (1.05 MB)
Citações na Scopus
12
Tipo de produção
article
Data de publicação
2020
DOI
SciELO
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
HOSPITAL CLINICAS, UNIV SAO PAULO
Autores
CRUZ, Andrea Fonseca
DOMINGUES, Diego Munduruca
STROLLO, Patrick J.
Citação
CLINICS, v.75, article ID e2414, 7p, 2020
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
OBJECTIVES: Obstructive sleep apnea (OSA) is a common but largely underdiagnosed condition. This study aimed to test the hypothesis that the oxygen desaturation index (ODI) obtained using a wireless high-resolution oximeter with a built-in accelerometer linked to a smartphone with automated cloud analysis, Overnight Digital Monitoring (ODM), is a reliable method for the diagnosis of OSA. METHODS: Consecutive patients referred to the sleep laboratory with suspected OSA underwent in-laboratory polysomnography (PSG) and simultaneous ODM. The PSG apnea-hypopnea index (AHI) was analyzed using the criteria recommended and accepted by the American Academy of Sleep Medicine (AASM) for the definition of hypopnea: arousal or >= 3% O-2 desaturation (PSG-AHI(3%)) and >= 4% O-2 desaturation (PSG-AHI(4%)), respectively. The results of PSG and ODM were compared by drawing parallels between the PSG-AHI(3%) and PSG-AHI(4%) with ODM-ODI3% and ODM-ODI4%, respectively. Bland-Altman plots, intraclass correlation, receiver operating characteristics (ROC) and area under the curve (AUC) analyses were conducted for statistical evaluation. ClinicalTrial.gov: NCT03526133. RESULTS: This study included 304 participants (men: 55%; age: 55 +/- 14 years; body mass index: 30.9 +/- 5.7 kg/m(2); PSG-AHI(3%): 35.3 +/- 30.1/h, ODM-ODI3%: 30.3 +/- 25.9/h). The variability in the AASM scoring bias (PSG-AHI(3%) vs PSG-AHI(4%)) was significantly higher than that for PSG-AHI(3%) vs ODM-ODI3% (3%) and PSG-AHI(4%) vs ODM-ODI4% (4%) (9.7, 5.0, and 2.9/h, respectively; p < 0.001). The limits of agreement (2 +/- SD, derived from the Bland-Altman plot) of AASM scoring variability were also within the same range for (PSG vs ODM) 3% and 4% variability: 18.9, 21.6, and 16.5/h, respectively. The intraclass correlation/AUC for AASM scoring variability and PSG vs ODM 3% or 4% variability were also within the same range (0.944/0.977 and 0.953/0.955 or 0.971/0.964, respectively). CONCLUSION: Our results showed that ODM is a simple and accurate method for the diagnosis of OSA.
Palavras-chave
Diagnosis, Obstructive Sleep Apnea, Oximetry
URI
https://observatorio.fm.usp.br/handle/OPI/39085
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MCM
Artigos e Materiais de Revistas Científicas - FM/MCP
Artigos e Materiais de Revistas Científicas - HC/InCor
Artigos e Materiais de Revistas Científicas - LIM/63