Identifying respiratory events and artifacts using oscillatory impedance measurement in aPAP therapy

R Harms, B Graetz, B Schöller - 2002 - degruyter.com
events will increase |Z|, whereas central events will not change or even lower it. To improve
mask handling and reduce costs, we measure the oscillatory … flow oscillation induced. It is …

Prospective randomized comparison of impedance-controlled auto-continuous positive airway pressure (APAPFOT) with constant CPAP

WJ Randerath, W Galetke, M David, H Siebrecht… - Sleep medicine, 2001 - Elsevier
… for nasal CPAP treatment which is based on impedance measurement by forced oscillation
… (snoring) over a period of at least 2 s not associated with movement artefacts were counted. …

Clinical application of the forced oscillation technique for CPAP titration in the sleep apnea/hypopnea syndrome

JR Badia, RAMON FARRÉ, R John Kimoff… - … journal of respiratory …, 1999 - atsjournals.org
… on-line measurement of oscillatory impedance using the FOT. … , the optimal CPAP treatment
pressure could be identified … with the flow signal to ensure that such artifacts are identified. …

Diagnosis of sleep apnea by automatic analysis of nasal pressure and forced oscillation impedance

H Steltner, R Staats, J Timmer, M Vogel… - … journal of respiratory …, 2002 - atsjournals.org
Detecting and differentiating central and obstructive … to the choice of an appropriate treatment.
The purpose of this study … these artifacts, potentially misinterpreted as respiratory events by …

Bench model to simulate upper airway obstruction for analyzing automatic continuous positive airway pressure devices

J Rigau, JM Montserrat, H Wöhrle, D Plattner… - Chest, 2006 - Elsevier
… to an incorrect identification of events and/or artifacts (such as … as the forced oscillation
technique (FOT) for identifying upper … an overall measure of total respiratory impedance, which, …

Autoadjusting CPAP therapy based on impedance efficacy, compliance and acceptance

WJ Randerath, O Schraeder, W Galetke… - … journal of respiratory …, 2001 - atsjournals.org
determine the pressure level for fixed CPAP home treatment (… oscillation technique (APAP
FOT ) enables the treatment … for at least 2 s outside of movement artefacts were counted. …

Forced oscillation technique in the sleep apnoea/hypopnoea syndrome: identification of respiratory events and nasal continuous positive airway pressure titration

LNA Lemes, PL Melo - Physiological measurement, 2002 - iopscience.iop.org
… the impedance signal during different sleep respiratory events … precise identification of
artefacts in the impedance tracing. … KH 2001 Autoadjusting CPAP therapy based on impedance: …

New technologies to detect static and dynamic upper airway obstruction during sleep

JM Montserrat, R Farré, D Navajas - Sleep and Breathing, 2001 - thieme-connect.com
… and the impedance signal measured by the forced oscillation … of artifact could be misinterpreted
as a true respiratory event. … in real time during CPAP treatment has also been recently …

High frequency-low amplitude oscillometry: Continuous unobtrusive monitoring of respiratory function on PAP machines

HH Alamdari, L Hacquebard, S Driscoll… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
respiratory events each respond better to different treatment … snoring, leaks and other
artifacts. The same combination of … respiratory impedance measurements the forced oscillation

Comparison of manual titration and automatic titration based on forced oscillation technique, flow and snoring in obstructive sleep apnea

W Galetke, WJ Randerath, S Stieglitz, C Laumanns… - Sleep medicine, 2009 - Elsevier
… a positive pressure level for long-term fixed CPAP therapy in … signals for at least 2 s in the
absence of movement artefacts. … which include impedance by the forced oscillation technique …