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Effect of moderate altitude and nocturnal oxygen therapy on cerebrovascular function in patients with COPD: A randomized, crossover trial at 2048 m

Experimental Physiology, Volume 111, Issue 2, Page 527-538, 1 February 2026.
Abstract We investigated whether nocturnal oxygen therapy improves next‐day cerebrovascular function in lowlanders with chronic obstructive pulmonary disease (COPD) staying at moderate altitude. This randomized, placebo‐controlled single‐blind crossover trial was performed in moderate‐to‐severe COPD patients [forced expiratory volume in 1 s (FEV1 ...
Dominic Gilliand, Tsogyal D. Latshang, Sayaka S. Aeschbacher, Fabienne Huber, Deborah Flueck, Mona Lichtblau, Stefanie Ulrich, Elisabeth D. Hasler, Philipp M. Scheiwiller, Julian Müller, Silvia Ulrich, Konrad E. Bloch, Michael Furian   +12 more
wiley   +1 more source

Loudness of snoring, not apnea-hypopnea index, is associated with hyperactivity behavior in snoring children and adolescents

Mireille Joseph, Mariem Lajili, Benjamin Dudoignon, Christophe Delclaux, Plamen Bokov   +4 more
openalex   +1 more source

Esophageal pressure and apnea hypopnea index in sleep disordered breathing

Esophageal pressure and apnea hypopnea index in sleep disordered breathing
openaire  

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The accuracy of BPAP determined apnea-hypopnea index

4.2 Sleep and Control of Breathing, 2015
Purpose: Bilevel positive airway pressure (BPAP) devices do not only titrate BPAP pressures but also measure residual respiratory event. The aim of this study is to determine the accuracy of BPAP derived residual apnea-hypopnea index (AHI). Methods: We studied 100 patients who underwent in laboratory overnight PSG (polysomnography) using BPAP ...
H. U. Dede, A. Çilli
semanticscholar   +2 more sources

Is the Apnea Hypopnea Index ready to be replaced?

Medicom Conference Report ATS 2024
Robert van den Heuvel
semanticscholar   +2 more sources

The accuracy of autotitrating CPAP-determined residual apnea–hypopnea index

Sleep and Breathing, 2013
Autotitrating continuous positive airway pressure (auto-CPAP) devices not only titrate CPAP pressures but also measure residual respiratory events. The aim of the present study was to determine the accuracy of auto-CPAP-derived residual apnea-hypopnea index (AHI).We studied 137 consecutive patients (72.3% men) with obstructive sleep apnea from January ...
A. Çilli, Rusen Uzun, U. Bilge
semanticscholar   +4 more sources

Choice of Oximeter Affects Apnea-Hypopnea Index

Chest, 2005
Current Medicare guidelines include an apnea-hypopnea index (AHI) > or = 15 events per hour, in which all hypopneas must be associated with 4% desaturation, to qualify for reimbursement for therapy with continuous positive airway pressure (CPAP). The present data demonstrate the effect of pulse oximeter differences on AHI.Prospective study, blinded ...
Subooha, Zafar, Indu, Ayappa, Robert G, Norman, Ana C, Krieger, Joyce A, Walsleben, David M, Rapoport   +5 more
openaire   +2 more sources

The Apnea–Hypopnea Index Underestimates Systemic Inflammation in Women with Sleep-Disordered Breathing

Journal of Women's Health, 2018
Background: Evidence suggests that sleep-related respiratory and related metabolic compromise may vary between females and males with sleep-disordered breathing (SDB).
H. Gouveris, K. Bahr, Christoph Jahn, C. Matthias, P. Simon   +4 more
semanticscholar   +1 more source