Document Detail

Inspiratory effort and occlusion pressure in triggered mechanical ventilation.
MedLine Citation:
PMID:  3053844     Owner:  NLM     Status:  MEDLINE    
We have studied eleven patients ventilated in the assisted mode during recovery from acute respiratory failure. We have measured the effort required to trigger the pressure demand valve for 3 different ventilators, and have measured the occlusion pressure as an index of neuromuscular inspiratory drive. We found a delay in the opening of the demand valve, as previously described by other authors. We also found a close correlation between the effort required to open the demand valve and the occlusion pressure. We conclude that the inspiratory effort required to open the demand valve, in the assist mode, is greater than the preset trigger level and that it is well correlated with the neuromuscular inspiratory drive. This inspiratory effort against the closed demand valve, allows the measurement of the occlusion pressure.
R Fernández; S Benito; J Sanchis; J Milic-Emili; A Net
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article    
Journal Detail:
Title:  Intensive care medicine     Volume:  14     ISSN:  0342-4642     ISO Abbreviation:  Intensive Care Med     Publication Date:  1988  
Date Detail:
Created Date:  1988-12-19     Completed Date:  1988-12-19     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7704851     Medline TA:  Intensive Care Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  650-3     Citation Subset:  IM    
Servicio de Medicina Intensiva, Hospital de la Santa Creu i Sant Pau, Universidad Autónoma de Barcelona, Spain.
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MeSH Terms
Aged, 80 and over
Clinical Trials as Topic
Middle Aged
Random Allocation
Respiratory Insufficiency / physiopathology*,  therapy
Tidal Volume
Time Factors
Ventilators, Mechanical*

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