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Non-invasive Home Ventilation in Patients With Severe Hypercapnic Chronic Obstructive Pulmonary Disease — SOMNOVENT'  

Chronic Obstructive Pulmonary Disease Clinical Trial

Official title:
Non-invasive Home Ventilation in Patients With Severe Hypercapnic COPD: Standard Versus Löwenstein Mode of Management of Dynamic Hyperinflation; Effects on Hematosis and Sleep.

Clinical Trial Summary

In COPD patients with chronic hypercapnic respiratory failure, the prognosis is poor and the treatment with non invasive ventilation is actually well established. However the best mode of ventilation is not well known. In severe COPD patients various disorders of respiratory mechanics result in insufficient ventilation, which can be life-threatening or create NIV discomfort. The main characteristic of these disorders is a cyclical closing of small airways that can limit an expiratory flow and provoked some fluctuations in flow curve. To our knowledge, the management of dynamic hyperinflation seems to play an important role in explaining the effect of the NIV. Few studies have examined the effects of the machine's adjustments on dynamic hyperinflation. The main objective of this study is to analyze the impact of specific ventilatory modes supposed to reduce the dynamic hyperinflation on the hematosis, by studying transcutaneous pressure of carbon dioxide, in severe hypercapnic COPD patients ventilated by NIV. Two modes of ventilation will be compared. First one is an algorithmic mode developed by the company Löwenstein (AirTrap Control, Trigger Lockout and the Expiratory Pressure Ramp). The second one is a standard algorithmic mode, used in the same ventilator. These two ventilatory modes will be evaluated in each patient, during two consecutive nights in current living conditions at home.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03934749
Study type Observational
Source Centre Hospitalier Universitaire de Besancon
Contact
Status Terminated
Phase
Start date June 27, 2019
Completion date September 27, 2020
View Details
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