Affordable Access

Comparison of forced-air warming systems with upper body blankets using a copper manikin of the human body.

Authors
Type
Published Article
Journal
Acta anaesthesiologica Scandinavica
Publication Date
Volume
46
Issue
8
Pages
965–972
Identifiers
PMID: 12190797
Source
Medline
License
Unknown

Abstract

We found total heat flows of 2.6-26.6 W by forced-air warming systems with upper body blankets. However, the changes in heat balance by forced-air warming systems with upper body blankets are larger, as these systems are not only transferring heat to the body but are also reducing heat losses from the covered area to zero. Converting heat losses of approximately 37.8 W to heat gain, results in a 40.4-64.4 W change in heat balance. The differences between the systems result from different heat exchange coefficients and different mean temperature gradients. However, the combination of a high heat exchange coefficient with a high mean temperature gradient is rare. This fact offers some possibility to improve these systems.

Statistics

Seen <100 times