Heart & Lung: The Journal of Acute and Critical Care
Volume 38, Issue 6 , Pages 513-516 , November 2009

Comparison of flow rates produced by two frequently used manual hyperinflation circuits: A benchtop study

  • Alison M. Jones, BPhty (Hons)

      Affiliations

    • University of Queensland, Australia
  • ,
  • Peter J. Thomas, BPhty (Hons), PhD

      Affiliations

    • Royal Brisbane and Women's Hospital, Queensland, Australia
  • ,
  • Jennifer D. Paratz, MPhty, PhD, FACP

      Affiliations

    • University of Queensland, Australia
    • Corresponding Author InformationCorresponding author: Jennifer D. Paratz, MPhty, PhD, FACP, Department of Intensive Care, Level 3 NHB, Royal Brisbane and Women's Hospital, Bowen Bridge Rd, Herston QLD 4029

References 

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  3. Maa SH, Hung TJ, Hsu KH, et al. Manual hyperinflation improves alveolar recruitment in difficult to wean patients Chest. 2005;128:2714–2721
  4. Patman S, Jenkins S, Stiller K. Manual hyperinflation—effects on respiratory parameters. Physiother Res Int. 2000;5:157–171
  5. Hodgson C, Denehy L, Ntoumenopolous G. An investigation of the early effects of manual lung hyperinflation in critically ill patients. Anaesth Intensive Care. 2000;28:255–261
  6. Choi JS, Jones AY. Effects of manual hyperinflation and suctioning in respiratory mechanics in mechanically ventilated patients with ventilator-associated pneumonia. Aust J Physiother. 2005;51:25–30
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  8. Paratz J, Lipman J, McAuliffe M. The effect of manual hyperinflation on hemodynamics, gas exchange and respiratory mechanics in ventilated intensive care patients. J Int Care Med. 2002;17:317–324
  9. Ntoumenopoulos G, Presnell JJ, McElholum M, Cade JF. Chest physiotherapy for the prevention of ventilator – associated pneumonia. Intensive Care Med. 2002;28:850–856
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  13. Savian C, Chan P, Paratz J. The effect of positive end-expiratory pressure level on peak expiratory flow during manual hyperinflation. Anesth Analg. 2005;100:1112–1116
  14. Leith D. Cough. Phys Ther. 1968;48:439–447
  15. Jones A, Hutchinson RC, Lin E, Oh T. Peak expiratory flow rates produced with Laerdal and Mapleson-C bagging circuits. Aust J Physiother. 1992;38:211–215
  16. Hodgson C, Ntoumenopoulos G, Dawson H, Paratz J. The Mapleson C circuit clears more secretions than the Laerdal circuit during manual hyperinflation in mechanically-ventilated patients: a randomised cross-over trial. Aust J Physiother. 2007;53:33–38
  17. Maxwell LJ, Ellis ER. The effect of circuit type, volume delivered and “rapid release” on flow rates during manual hyperinflation. Aust J Physiother. 2003;49:31–38

PII: S0147-9563(09)00151-4

doi: 10.1016/j.hrtlng.2009.06.002

Heart & Lung: The Journal of Acute and Critical Care
Volume 38, Issue 6 , Pages 513-516 , November 2009