title: Not much turbulence: addition of heliox to noninvasive ventilation fails to improve outcomes in patients with exacerbations of chronic obstructive pulmonary disease.
authors.forename: Gökhan M
authors.initials: GM
authors.lastname: Mutlu
authors.forename: G R Scott
authors.initials: GR
authors.lastname: Budinger
mesh_terms: D003422:Critical Care / Q000379:methods; D005260:Female; D006371:Helium / Q000627:therapeutic use*; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D010100:Oxygen / Q000627:therapeutic use*; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D011379:Prognosis; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000401:mortality / Q000628:therapy*; D011659:Pulmonary Gas Exchange; D012008:Recurrence; D012121:Respiration, Artificial / Q000379:methods; D012129:Respiratory Function Tests; D018570:Risk Assessment; D013990:Tidal Volume; D016896:Treatment Outcome
chemical_list: D006371:Helium; C038949:heliox; D010100:Oxygen