Results 251 to 260 of about 26,524 (303)

Performance evaluation of an under‐mattress sleep sensor versus polysomnography in > 400 nights with healthy and unhealthy sleep

Journal of Sleep Research, Volume 34, Issue 6, December 2025.
Summary Consumer sleep trackers provide useful insight into sleep. However, large‐scale performance evaluation studies are needed to properly understand sleep tracker accuracy. This study evaluated performance of an under‐mattress sensor to estimate sleep and wake versus polysomnography in a large sample, including individuals with and without sleep ...
Jack Manners, Eva Kemps, Bastien Lechat, Peter Catcheside, Danny J. Eckert, Hannah Scott   +5 more
wiley   +1 more source

Effects of continuous positive airway pressure on hemorheology and serum inflammatory factors in patients with obstructive sleep apnea hypopnea syndrome

, 2016
Ye-Jun Liu, Chenghong Zhang, Jianshe Liu, Kailin Dong, Xuhong Zhou   +4 more
openalex   +1 more source

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The Sleep Hypopnea Syndrome

American Review of Respiratory Disease, 1988
We have observed patients who clinically have the obstructive sleep apnea syndrome but have no apneas, instead having recurrent nocturnal hypoventilation. There is disagreement about the definition and significance of such sleep-related hypopneas.
G A, Gould, K F, Whyte, G B, Rhind, M A, Airlie, J R, Catterall, C M, Shapiro, N J, Douglas   +6 more
openaire   +2 more sources

What Is Hypopnea, Anyway?

Chest, 1994
Quantitation of apneas and hypopneas is routinely included in studies of epidemiology, diagnosis, and treatment of sleep-disordered breathing (SDB). The definition of apnea appears clear-cut in the sleep literature. In contrast, the literature contains remarkable variety in both recording techniques and definitions of hypopnea.
N J, Moser, B A, Phillips, D T, Berry, L, Harbison   +3 more
openaire   +2 more sources

Impact of Different Criteria for Defining Hypopneas in the Apnea-Hypopnea Index

Chest, 2001
To explore the effect of using different scoring criteria for hypopneas in the scoring of polysomnographic studies: (1) by estimating the level of agreement between apnea-hypopnea index (AHI) scores derived from different scoring methods, and (2) by examining the effect on the point prevalence of disease using different threshold values of the AHI ...
R L, Manser, P, Rochford, R J, Pierce, G B, Byrnes, D A, Campbell   +4 more
openaire   +2 more sources

A Comparison of Apnea–Hypopnea Indices Derived from Different Definitions of Hypopnea

American Journal of Respiratory and Critical Care Medicine, 1999
We examined the effects of arousal- and desaturation-based scoring criteria on the apnea-hypopnea index (AHI) and on the measured prevalence of obstructive sleep apnea (OSA). Ninety-four randomly selected patients underwent overnight polysomnography.
W H, Tsai, W W, Flemons, W A, Whitelaw, J E, Remmers   +3 more
openaire   +2 more sources

APNEA-HYPOPNEA INDEX AND CAROTID ATHEROMATOSIS

Journal of Hypertension, 2023
Objective: Verify the relationship between degrees severity of the apnea-hypopnea index and carotid atheromatous disease; identify risk factors in individuals with pathological apnea-hypopnea index and carotid atheromatous disease.
Mateus, Sónia, Cavaco, Mariana, Rocha, Daniela, Carvalho, Lucinda, Coelho, Patricia, Rodrigues, Francisco, Pires, Joana   +6 more
openaire   +2 more sources

The ethics of hypopnea scoring

Journal of Clinical Sleep Medicine
In February of 2023, the American Academy of Sleep Medicine issued a "recommended" way to score hypopneas using 1A criteria (scoring of hypopneas using a ≥ 3% oxygen desaturation from pre-event baseline) that is at odds with the Centers for Medicare & Medicaid Services mandate of scoring hypopneas using a ≥ 4% oxygen desaturation from pre-event ...
Caroline, Skolnik, Hrayr, Attarian
openaire   +2 more sources

Apnea-Hypopnea Indexes Calculated Using Different Hypopnea Definitions and Their Relation to Major Symptoms

Sleep and Breathing, 2004
A major problem in the discussion of sleep-disordered breathing is caused by the use of different criteria to define its terms. Hypopnea is a good example of this: there is no consensus about its definition yet. In our study, the diagnosis value of apnea-hypopnea indexes (AHIs) determined by different hypopnea definitions was evaluated. The 90 patients
ÖZKAN, SEÇİL, Ciftci, TANSU, KÖKTÜRK, OĞUZ   +2 more
openaire   +3 more sources

Obstructive Sleep Apnea-Hypopnea Syndrome

Mayo Clinic Proceedings, 2003
Obstructive sleep apnea-hypopnea syndrome (OSAHS) is characterized by repetitive episodes of airflow reduction (hypopnea) or cessation (apnea) due to upper airway collapse during sleep. Increasing recognition and a greater understanding of the scope of this condition have substantially affected the practices of many clinicians.
Eric J, Olson, Wendy R, Moore, Timothy I, Morgenthaler, Peter C, Gay, Bruce A, Staats   +4 more
openaire   +2 more sources