BarachAL. The therapeutic use of helium. JAMA, 1935; 107:1273–1280.
2.
AriA, FinkJB. Aerosol drug delivery administration with helium-oxygen (heliox) mixtures: an overview. Curr Respir Med Rev, 2010; 6:80–85.
3.
de BoisblancBP, DeBleiuxP, ResweberS, FuscoEE, SummerWR. Randomized trial of the use of heliox as a driving gas for updraft nebulization of bronchodilators in the emergent treatment of acute exacerbations of chronic obstructive pulmonary disease. Crit Care Med, 2000; 28(9):3177–3180.
4.
KressJP, NothI, GehlbachBK, BarmanN, PohlmanAS, MillerA, et al. The utility of albuterol nebulized with heliox during acute asthma exacerbations. Am J Respir Crit Care Med, 2002; 165(9):1317–1321.
5.
BagR, BandiV, FrommREJr, GuntupalliKK. The effect of heliox driven bronchodilator aerosol therapy on pulmonary function tests in patients with asthma. J Asthma, 2002; 39(7):659–665.
6.
SattonnetP, PlaisanceP, LecourtL, VicautE, AdnetE, CholletC. The efficacy of helium-oxygen mixture (65%-35%) in acute asthma exacerbations. Eur Respir J, 2004; 24(Suppl):540S.
7.
LeeDL, HsuCW, LeeH, ChangHW, HuangYC. Beneficial effects of albuterol therapy driven by heliox versus by oxygen in severe asthma exacerbations. Acad Emerg Med, 2005; 12(9):820–827.
8.
KimIK, SavilleAL, KendraKL, CorcoranTE. Heliox-driven albuterol nebulization for asthma exacerbations: an overview. Respir Care, 2006; 51(6):613–618.
9.
HendersonSO, AcharyaP, KilaghbianT, PerezJ, KornCS, ChanLS. Use of heliox-driven nebulizer therapy in the treatment of acute asthma. Ann Emerg Med, 1999; 33(2):141–146.
10.
DorfmanTA, ShipleyER, BurtonJH, JonesP, MetteSA. Inhaled heliox does not benefit ED patients with moderate to severe asthma. Am J Emerg Med, 2000; 18(4):495–497.
11.
RoseJS, PanacekEA, MillerP. Prospective randomized trial of heliox-driven continuous nebulizers in the treatment of asthma in the emergency department. J Emerg Med, 2003; 116(Suppl)1011–1015.
12.
LanoixR, LaniganMD, RadeoMS, GernsheimerJR. A prospective, randomized trial to evaluate heliox as a delivery vehicle to nebulizer albuterol in acute asthma exacerbations in the emergency department (abstract). Acad Emerg Med, 2003; 10(5):507.
13.
RiveraML, KimTY, StewartGM, MinasyanL, BrownL. Albuterol nebulized in heliox in the initial ED treatment of pediatric asthma: a blinded, randomized controlled trial. Am J Emerg Med, 2006; 24(1):38–42.
14.
BrandãoDC, BrittoMC, PessoaMF, de SaRB, AlcoforadoL, MatosLO, et al. Heliox and forward-leaning posture improve the efficacy of nebulized bronchodilator in acute asthma: a randomized trial. Respir Care, 2011; 56(7):947–952.
15.
CraigABJr. Effects of position on expiratory reserve volume of the lungs. J Appl Physiol, 1960; 15:59–61.
16.
KeraT, MaruyamaH. The effect of posture on respiratory activity of the abdominal muscles. J Physiol Anthropol Appl Human Sci, 2005; 24(4):259–265.
17.
LiuSB, WilsonTA, SchreinerK. Gravitational forces on the chest wall. J Appl Physiol, 1991; 70(4):1506–1510.
18.
HughesJM, HoppinFGJr, MeadJ. Effect of lung inflation on bronchial length and diameter in excised lungs. J Appl Physiol, 1972; 32(1):25–35.
19.
MeineroM, ColettaG, DuttoL, MilaneseM, NovaG, SciollaA, et al. Mechanical response to methacholine and deep inspiration in supine men. J Appl Physiol, 2007; 102(1):269–275.
20.
BattagelJM, JohalA, SmithAM, KotechaB. Postural variation in oropharyngeal dimensions in subjects with sleep disordered breathing: a cephalometric study. Eur J Orthodontics, 2002; 24(3):263–276.
