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Open AccessJournal ArticleDOI

Proposal for a systematic analysis of polygraphy or polysomnography for identifying and scoring abnormal events occurring during non-invasive ventilation.

TLDR
A systematic description of nocturnal respiratory events which occur during NIV is proposed: leaks, obstruction at different levels of the upper airway (glottis and/or pharynx), with or without decrease of respiratory drive and asynchrony.
Abstract
Non-invasive ventilation (NIV) is recognised as an effective treatment for chronic hypercapnic respiratory failure. Monitoring NIV during sleep may be preferable to daytime assessment. This paper reports the findings of an international consensus group which systematically analysed nocturnal polygraphic or polysomnographic tracings recorded with either volume-cycled or pressure-cycled ventilators. A systematic description of nocturnal respiratory events which occur during NIV is proposed: leaks, obstruction at different levels of the upper airway (glottis and/or pharynx), with or without decrease of respiratory drive and asynchrony.

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Citations
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Journal ArticleDOI

Nocturnal monitoring of home non-invasive ventilation: the contribution of simple tools such as pulse oximetry, capnography, built-in ventilator software and autonomic markers of sleep fragmentation

TL;DR: Data provided by ventilator software help the clinician by estimating ventilation, tidal volume, leaks and the rate of inspiratory or expiratory triggering by the patient, although further validation of these signals by independent studies is indicated.
Journal ArticleDOI

Obesity Hypoventilation Syndrome

TL;DR: Both continuous positive airway pressure (CPAP) and noninvasive ventilation (NIV) improve clinical symptoms, quality of life, gas exchange, and sleep disordered breathing in OHS patients and are considered the first-line treatment modality for OHS phenotype with concomitant severe obstructive sleep apnoea.
Journal ArticleDOI

Ventilator modes and settings during non-invasive ventilation: effects on respiratory events and implications for their identification.

TL;DR: The equipment available for NIV, the effect of different ventilator modes and settings and of exhalation and connecting circuits on ventilatory traces are discussed, and the background necessary to understand their impact on nocturnal monitoring of NIV is given.
Journal ArticleDOI

Tele-monitoring of ventilator-dependent patients: a European Respiratory Society Statement

TL;DR: Much more research is needed before considering tele-monitoring a real improvement in the management of ventilator dependent patients, and the economic advantages of this new approach must be compared to a “gold standard” of home care that is very variable among different European countries and within each European country.
References
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Journal ArticleDOI

Pathophysiology of Sleep Apnea

TL;DR: This work reviews three types of major long-term sequelae to severe OSA and discusses future research into understanding the pathophysiology of sleep apnea as a basis for uncovering newer forms of treatment of both the ventilatory disorder and its multiple sequelae.
Journal ArticleDOI

Average Volume-Assured Pressure Support in Obesity Hypoventilation: A Randomized Crossover Trial

TL;DR: BPV-S/T substantially improved oxygenation, sleep quality, and HRQL in patients with OHS, and AVAPS provided additional benefits on ventilation quality, thus resulting in a more efficient decrease of PtcCO2.
Journal ArticleDOI

Crossing the apnoeic threshold: causes and consequences.

TL;DR: Evidence is presented which points to a significant role for unstable, central respiratory motor output as a significant contributor to upper airway narrowing and obstruction during sleep.
Journal ArticleDOI

Nocturnal monitoring of home non-invasive ventilation: the contribution of simple tools such as pulse oximetry, capnography, built-in ventilator software and autonomic markers of sleep fragmentation

TL;DR: Data provided by ventilator software help the clinician by estimating ventilation, tidal volume, leaks and the rate of inspiratory or expiratory triggering by the patient, although further validation of these signals by independent studies is indicated.
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