The long-term effect of LIAM (Lung Insufflation Assist Maneuver) on respiratory performance in home non-invasively ventilated (NIV) patients suffering from neuromuscular disease will be assessed in a prospective, randomized, cross over, open label study
In advanced neuromuscular disorders, respiratory complications represent the main cause of morbidity and mortality. Beside chronic respiratory insufficiency, necessitating a ventilatory support, mostly performed by non-invasive ventilation (NIV), cough is impaired due to the muscle weakness, and respiratory physiotherapy becomes an essential part of the management. Various techniques have been proposed to improve lung recruitment and cough in neuromuscular patients. The assisted techniques based on a positive pressure insufflation maneuver have shown an improvement in physiological variables on the short term, but there is to date no good-quality prospective study allowing to evaluate the long term efficacy of mechanical cough assistance devices in neuromuscular patients. We designed a randomized, cross over, open label study to assess the long-term effect of LIAM (Lung Insufflation Assist Maneuver) on respiratory performance in NIV patients suffering from neuromuscular disease.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
30
instrumental increase of inspiratory capacity and cough
Home ventilation Unit , Raymond Poincaré hospital
Garches, Paris Area, France
RECRUITINGChange in the maximal assisted vital capacity (maximal insufflation capacity) between the begin of the treatment period and the 3-months follow up
Change in the maximal assisted vital capacity (maximal insufflation capacity) between the begin of the treatment period and the 3-months follow up
Time frame: 15 minutes
spontaneous vital capacity
spontaneous vital capacity change at 3 months
Time frame: 15 minutes
peak flow
peak cough flow (spontaneous / assisted) change at 3 months
Time frame: 15 minutes
optoelectronic plethysmography
change at 3 months in the distribution in ventilation (assessed by optoelectronic plethysmography), spontaneous/assisted
Time frame: 1 hour
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