Non-invasive positive pressure ventilation improves lung volumes in the obesity hypoventilation syndrome
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Keywords
Chronic ventilatory failure
Non-invasive positive pressure ventilation
Obesity hypoventilation syndrome
Pulmonary function test
Restrictive ventilatory disorder
Abbreviations
A–a
alveolar–arterial oxygen difference
BE
base excess
BMI
body mass index
EPAP
expiratory positive airway pressure
ERV
expiratory reserve volume
FEV1
forced expiratory volume in 1 s
FRC
functional residual capacity
Hb
hemoglobin
Hc
hematocrit
IC
inspiratory capacity
IPAP
inspiratory positive airway pressure
NPPV
non-invasive positive pressure ventilation
P0.1
mouth occlusion pressure at 100 ms
PaCO2
arterial carbon dioxide tension
PaO2
arterial oxygen tension
PImax
maximal inspiratory pressure
RV/TLC
ratio residual volume/total lung capacity
SaO2
arterial oxygen saturation
SRtot
total specific resistance
TLC
total lung capacity
VC
vital capacity.
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