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Ex vivo assessment and validation of water exchange performance of 23 heat and moisture exchangers for laryngectomized patients.

Authors
  • van den Boer, Cindy
  • Nuller, Sara H
  • Vincent, Andrew D
  • van den Brekel, Michiel W M
  • Hilgers, Frans J M
Type
Published Article
Journal
Respiratory care
Publication Date
Aug 01, 2014
Volume
59
Issue
8
Pages
1161–1171
Identifiers
PMID: 24222707
Source
Medline
License
Unknown

Abstract

The 23 tested HMEs for laryngectomized patients show wide variation in water exchange performance. Water exchange correlates well with the end-inspiratory absolute humidity outcome, which validates the ex vivo weight change method. Wet core weight is a predictor of HME performance. Hygroscopic salt increases the weight of the core material. The results of this study can help medical professionals to obtain a more founded opinion about the performance of available HMEs for pulmonary rehabilitation in laryngectomized patients, and allow them to make an informed decision about which HME type to use.

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