To investigate the relation the nreural drive and intrinsic positive end-expiratory pressure(PEEPi) of the chronic obstructive pulmonary disease(COPD) patients with respiratory failure.In present study the PEEPi of COPD patients was increased by increasing the resistance of the respiratory system, the change of the neural drive was recorded.
To investigate the relation the nreural drive and intrinsic positive end-expiratory pressure(PEEPi) of the chronic obstructive pulmonary disease(COPD) patients with respiratory failure.The diaphragm electromyogram (EMGdi) represents the neural drive to the diaphragm.A multi-pair esophageal electrode catheter was used to record the EMGdi.The PEEPi was assessed by the by the balloon-catheter in the multi-pair esophageal electrode catheter. In present study the PEEPi of COPD patients was increased by increasing the resistance of the respiratory system, the change of the neural drive( EMGdi) was obtained from the a multi-pair esophageal electrode catheter All the signal recorded in the computer. The relation the nreural drive assessed by EMGdi and intrinsic positive end-expiratory pressure(PEEPi) would be analysed.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
10
increase the resistance of the respiratory system of the chronic obstructive pulmonary disease patients
1State Key Laboratory of Respiratory Disease, National clinical research center for respiratory disease, Guangzhou Institute of respiratory health. 2The First Affiliated Hospital of Guangzhou Medical University
Guangzhou, Guangdong, China
neural respiratory drive assessed by the root mean square of diaphragm electromyogram (EMGdi) of the chronic obstructive pulmonary disease patients with respiratory failure
neural respiratory drive assessed by the root mean square of diaphragm electromyogram (EMGdi) obtained from the a multi-pair esophageal electrode catheter
Time frame: 1 hour
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