Our understanding of albuterol nebulization driven by helium-oxygen mixture (heliox) has matured with recent advances in clinical therapy, delivery systems, and understanding of dosing; this has led to substantial improvements in delivery as well as refinements of research protocols for asthma exacerbations. This review begins with heliox inhalation therapy and then addresses heliox as a driving gas for nebulization. Technical considerations are reviewed, including optimal gas mixtures, flow-rate adjustment factors, and nebulizer setup.
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From the Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom (B.J.P., M.A.N., C.W.H., A.J.S., P.E.T.); Newcastle Magnetic Resonance Centre, Health Innovation Neighbourhood, Newcastle University, Newcastle upon Tyne NE4 5PL, United Kingdom (B.J.P., M.A.N., C.W.H., P.E.T.); Pulmonary, Lung and Respiratory Imaging Sheffield, Section of Medical Imaging and Technologies, Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom (A.M.M., J.M.W.); Department of Respiratory Medicine, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom (I.F.); Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom (R.A.L.); Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom (H.F.F., J.N.S.M.); and Insigneo Institute, University of Sheffield, Sheffield, United Kingdom (J.M.W.).
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