Intra-night variation in apnea-hypopnea index affects diagnostics and prognostics of obstructive sleep apnea

S Nikkonen, J Töyräs, E Mervaala, S Myllymaa… - Sleep and …, 2020 - Springer
Background Diagnostics of obstructive sleep apnea (OSA) is based on apnea-hypopnea
index (AHI) determined as full-night average of occurred events. We investigate our …

Which is more important: the number or duration of respiratory events to determine the severity of obstructive sleep apnea?

D Yılmaz Durmaz, A Güneş - The Aging Male, 2020 - Taylor & Francis
Aim: Apnea–hypopnea index (AHI) take account only the number of apnea and hypopnea
regardless of their duration and morphology. The aim of this study was to compare the mean …

Do T90 and SaO2 nadir identify a different phenotype in obstructive sleep apnea?

G Labarca, J Campos, K Thibaut, J Dreyse… - Sleep and …, 2019 - Springer
Introduction Severity of obstructive sleep apnea (OSA) is commonly based upon the apnea-
hypopnea index (AHI). However, patients with similar AHIs may demonstrate widely varying …

Effect of different oxygen desaturation threshold levels on hypopnea scoring and classification of severity of sleep apnea

S Myllymaa, K Myllymaa, S Kupari, A Kulkas… - Sleep and …, 2015 - Springer
Purpose Recently, there has been a debate about the rules used to score hypopnea events.
The purpose of this study was to examine the effect of different oxygen desaturation …

Implication of a novel measure of obstructive sleep apnea severity for cardiovascular morbidity

W Cao, J Luo, R Huang, Y Xiao - Sleep Medicine, 2023 - Elsevier
Objective To evaluate the association between cardiovascular morbidity and obstructive
sleep apnea (OSA) severity quantified using the sleep breathing impairment index (SBII), a …

Novel parameters indicate significant differences in severity of obstructive sleep apnea with patients having similar apnea–hypopnea index

A Kulkas, P Tiihonen, P Julkunen, E Mervaala… - Medical & biological …, 2013 - Springer
Sleep apnea–hypopnea syndrome (SAHS) causes impairment of daytime functions and
increases risk of cardiovascular diseases. Apnea–hypopnea index (AHI), currently used for …

More severe hypoxemia is associated with better subjective sleep quality in obstructive sleep apnea

MN Wu, CL Lai, CK Liu, LM Liou, CW Yen… - BMC pulmonary …, 2015 - Springer
Background Perceived sleep quality may play an important role in diagnosis and therapy for
obstructive sleep apnea (OSA). However, few studies have assessed factors that are …

Comorbidity Profile and Predictors of Obstructive Sleep Apnea Severity and Mortality in Non-Obese Obstructive Sleep Apnea Patients

D Milicic Ivanovski, B Milicic Stanic, I Kopitovic - Medicina, 2023 - mdpi.com
Backgrounds and Objectives: Obstructive sleep apnea (OSA) is associated with increased
morbidity and mortality. OSA is an independent risk factor for many different conditions …

Risk factors associated with the severity of obstructive sleep apnea syndrome among adults

X Zhou, Q Lu, S Li, Z Pu, F Gao, B Zhou - Scientific Reports, 2020 - nature.com
Obstructive sleep apnea syndrome (OSAS) is a complete or partial airway obstruction that
causes significant physiologic disturbance with various clinical impacts. The aim of the study …

Clinical utility of oximetric parameters to identify a high‐risk phenotype of moderate‐severe Obstructive Sleep Apnea (OSA)

G Labarca, J Dreyse, C Salas, F Letelier… - The Clinical …, 2020 - Wiley Online Library
It is unclear if oximetric parameters, such as total time of SpO2< 90%,(T90), oxygen
desaturation index‐3%(ODI), minimum SpO2, are able to describe a high‐risk subtype of …