Pulmonary function in mechanically-ventilated patients during 24-hour use of a hygroscopic condensor humidifier.

Journal Article (Journal Article)

Hygroscopic condensor humidifiers (HCH) are reportedly capable of humidifying even the driest of ventilator source gases with at least 30 mg H2O/liter of ventilation. To assess the adequacy of the HCH during mechanical ventilation, we studied 26 patients over a 72-hour period (alternating 24-hour periods of humidification by a conventional cascade and the HCH). In these patients, we found no significant difference in static lung compliance, airway resistance, PaO2, and PaCO2 on either system. Additionally, estimates of sputum volume (over a four-hour collection period) and clearance of aerosolized 99mTc labelled DTPA (in five of these patients) also showed no significant differences between the two systems. We conclude that the HCH is capable of supplying necessary heat and moisture to most mechanically-ventilated patients for at least a period of 24 hours.

Full Text

Duke Authors

Cited Authors

  • MacIntyre, NR; Anderson, HR; Silver, RM; Schuler, FR; Coleman, RE

Published Date

  • November 1, 1983

Published In

Volume / Issue

  • 84 / 5

Start / End Page

  • 560 - 564

PubMed ID

  • 6628007

International Standard Serial Number (ISSN)

  • 0012-3692

Digital Object Identifier (DOI)

  • 10.1378/chest.84.5.560


  • eng

Conference Location

  • United States