Effects of the iron lung on respiratory function in chronic hypercapnic COPD patients.


Whether or not short-term negative pressure ventilation (NPV) improves respiratory function by decreasing the drive to the respiratory muscles in hypercapnic chronic obstructive pulmonary disease (COPD) patients remains to be defined. In six severely obstructed hypercapnic COPD patients (Group A) with grade IV dyspnoea (modified Medical Research Council… (More)


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