Helium:Oxygen Noninvasive Positive Pressure Ventilation in Patients Exposed to Sulfur Mustard
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to assess the effect of Heliox with Noninvasive positive pressure ventilation to decrease dyspnea and improve physiologic and respiratory measures in patients with a previous exposure to Sulfur Mustard gas.
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Ages Eligible for Study:
38 Years to 59 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
exposure to sulfur mustard
worsening dyspnea during the last 10 days
respiratory rate of >25/min
PaCO2 of >50 mmHg
PaO2 of <50 mmHg
recent pneumothorax (<1 month)
severe respiratory failure or hemodynamic instability with forthcoming intubation
FIO2 of <0.4
impaired consciousness or absence of patient cooperation