The effects of passive humidifier dead space on respiratory variables in paralyzed and spontaneously breathing patients

Respiratory Care

Volumn 45, Issue 3, 2000, Pages 306-312

  Campbell, Robert S ^a   Davis Jr , Kenneth ^a   Johannigman, Jay A ^a   Branson, Richard D ^a  

^a UNIVERSITY OF CINCINNATI   (United States)

Author keywords

Alveolar ventilation; Dead space; Humidification; Mechanical ventilation; Passive humidifier; Respiratory equipment; Respiratory function

Indexed keywords

ADULT; AGED; ARTICLE; ARTIFICIAL VENTILATION; CLINICAL ARTICLE; CONTROLLED STUDY; FEMALE; HUMAN; HUMIDIFIER; INTENSIVE CARE; LUNG DEAD SPACE; LUNG INJURY; LUNG VENTILATION; MALE; MEASUREMENT; RESPIRATORY FUNCTION;

ANALYSIS OF VARIANCE; CARBON DIOXIDE; HEAT; HUMANS; HUMIDITY; INTENSIVE CARE UNITS; OXYGEN; POSITIVE-PRESSURE RESPIRATION; PULMONARY GAS EXCHANGE; RESPIRATION; RESPIRATION, ARTIFICIAL; RESPIRATORY DEAD SPACE; TIDAL VOLUME; VENTILATOR WEANING;

EID: 0034068580     PISSN: 00201324     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Fonkalsrud EW, Sanchez M, Higashijima I, Arima E. A comparative study of the effects of dry vs humidified ventilation on canine lungs. Surgery 1975;78(3):373-380.
2. Forbes AR. Temperature, humidity and mucus flow in the intubated trachea. Br J Anaesth 1974;46(1):29-34.
3. Hirsch JA, Tokayer JL, Robinson MJ, Sackner MA. Effects of dry air and subsequent humidification on tracheal mucus velocity in dogs. J Appl Physiol 1975;39(2):242-246.
4. Branson RD, Davis K Jr. Evaluation of 21 passive humidifiers according to the ISO 9360 standard: moisture output. dead space, and flow resistance. Respir Care 1996;41(8):736-743.
5. Branson RD, Davis K Jr, Brown R, Rashkin M. Comparison of three humidification techniques during mechanical ventilation: patient selection, cost, and infection considerations. Respir Care 1996;41(9): 809-816.
6. Ploysongsang Y, Branson RD, Rashkin MC, Hurst JM. Effect of flowrate and duration of use on the pressure drop across six artificial noses. Respir Care 1989;34(10):902-907.
7. Chiaranda M, Verona L, Pinamonti O, Dominioni L, Minjoa G, Conti G. Use of heat and moisture exchanging (HME) filters in mechanically ventilated ICU patients: influence on airway flow-resistance. Intensive Care Med 1993;19(8):462-466.
8. Johnson PA, Raper RF, Fisher MM. The impact of heat and moisture exchanging humidifiers on work of breathing. Anaesth Intensive Care 1995;23(6):697-701.
9. Oh TE, Lin ES, Bhatt S. Resistance of humidifiers, and inspiratory work imposed by a ventilator-humidifier circuit. Br J Anaesth 1991; 66(2):258-263.
10. Manthous C, Schmidt GA. Resistive pressure of a condenser humidifier in mechanically ventilated patients. Crit Care Med 1994;22(11): 1792-1795.
11. Martinez FJ, Pietchel S, Wise C, Walek J, Beamis JF. Increased resistance of hygroscopic condenser humidifiers when using a closed circuit suction system Crit Care Med 1994;22(10):166A-1673
12. Le Bourdelles G, Mier L, Fiquet B, Djedaini K, Saumon G, Coste F, Dreyfuss D, Comparison of the effects of heat and moisture exchangers and heated humidifiers on ventilation and gas exchange during weaning trials from mechanical ventilation. Chest 1996;110(5):1294-1298.
13. Pelosi P, Solca M, Ravagnan I, Tubiolo D, Ferrano L, Gatononi L Effects of heat and moisture exchangers on minute ventilation, ventilatory drive, and work of breathing during pressure-support ventilation in acute respiratory failure. Crit Care Med 1996;24(7):1184-1188.
14. Ioui GA, Olivei MC, Palo A, Galbusera C, Veronesi R, Comelli A, et al. Unfavorable mechanical effects of heat and moisture exchangers in ventilated patients Intensive Care Med 1997,23(4)399-405.
15. Branson RD The measurement of energy expenditure: instrumentation, practical considerations, and clinical application Respir Care 1990;35(7):640-656; discussion 656-659.
16. Weissman C, Sardar A, Kemper M. In vitro evaluation of a compact metabolic measurement instrument. J Parenter Enternal Nutr 1900. 14(2):216-221.
17. Takala J, Keinanen O, Vaisanen P, Kari A. Measurement of gas exchange in intensive care: laboratory and clinical validation of a new device. Crit Care Med 1989;17(10):1041-1047.
18. Gottfried SB, Reissman H, Ranieri VM. A simple method for the measurement of intrinsic positive end-expiratory pressure during controlled and assisted modes of mechanical ventilation. Crit Care Med 1992;20(5):621-629.
19. Ranieri VM, Giuliani R, Mascia L, Grasso S, Petruzelli V, Punullo N, Perchiazzi G, Fiore T, Brienza A. Patient-ventilator interaction during acute hypercapnia: pressure-suppon vs proportionl-assist ventilation. J Appl Physiol 1996;86:426-436.
20. Nishimura M, Nishijima MK, Okada T, Taenaka N, Yoshiya I, Comparison of flow-resistive work load due to humidifying devices. Chest 1990:97(3):600-604.
21. Conti G, De Blasi RA, Rocco M, Pelaia P, Antonelli M, Bufi M. et al Effects of heat-moisture exchangers on dynamic hyperinflation of mechanically ventilated COPD patients Intensive Care Med 1990; 16(7):441-443.