نتایج جستجو برای: respiratory drive
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BACKGROUND Inspiratory muscle weakness and abnormalities in breathing pattern and in respiratory drive have been reported in patients with multisystem disorders. In patients with systemic lupus erythematosus (SLE), data on respiratory muscle strength and control of breathing are scarce. METHODS We studied a subset of nine female patients with SLE with no major findings of cardiovascular, rena...
For a given neural drive, oesophageal pressure during apnoeic episodes may differ from that during airflow, since inspiratory airflow and increased lung volume both reduce pressure generation. It was, therefore, hypothesised that diaphragm electromyography (EMG) may provide additional data to oesophageal pressure when used for the assessment of neural drive in patients with obstructive sleep ap...
RATIONALE The concept of a tonic drive activating respiratory muscle in wakefulness but not sleep has been an important and enduring notion in respiratory medicine, not least because it is useful in modeling sleep effects on breathing and understanding the pathogenesis of sleep-related breathing disorders such as obstructive sleep apnea. However, a neurotransmitter substrate mediating respirato...
The pressure generated 100 ms after the onset of an occluded inspiratory effort (P0.1) is advocated and used as a measure of respiratory centre drive. We have re-examined P0.1, measured simultaneously in the mouth (Pmo0.1) and the oesophagus (Poes0.1), during carbon dioxide rebreathing, in eight patients with severe chronic obstructive pulmonary disease, to see whether either indicates central ...
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