Document Detail


Measurement of dynamic lung fluid balance in the mechanically ventilated dog. Theory and results.
MedLine Citation:
PMID:  2202189     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An expression (LN) is presented for the net fluid leakage from the intravascular to the extravascular space in the lung. It is based on a new dog model and is the sum of rate of change in extravascular lung water content (EVLW), thoracic lymph flow, and pleural fluid formation. The rate of change of EVLW (delta EVLW) in ml/kg/h was calculated from repeated measurements of EVLW with a double-indicator dilution technique (dye/cold) and corrected according to the relation between EVLW measured by this technique and gravimetry. LN was studied in lung-healthy mechanically ventilated dogs during a prolonged period of mechanical ventilation with and without the application of a positive end-expiratory pressure of 10 cmH2O (1.0 kPa). During mechanical ventilation, LN was found to be 0.3 ml/kg/h in the basal condition, increasing to 0.5 ml/kg/h (P less than 0.01) after a mean period of 7 h. After the application of a positive end-expiratory pressure (PEEP) of 10 cmH2O (1 kPa) for 0.5-2 h, LN was found to increase significantly, from a mean of 0.3 ml/kg/h to 0.9 ml/kg/h (P less than 0.01). We conclude that LN is a useful quantitative expression in experimental studies on lung fluid balance.
Authors:
H Blomqvist; C Frostell; R Pieper; G Hedenstierna
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  34     ISSN:  0001-5172     ISO Abbreviation:  Acta Anaesthesiol Scand     Publication Date:  1990 Jul 
Date Detail:
Created Date:  1990-09-26     Completed Date:  1990-09-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  370-6     Citation Subset:  IM    
Affiliation:
Department of Anaesthesia and Intensive Care, Danderyd Hospital, Sweden.
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MeSH Terms
Descriptor/Qualifier:
Animals
Dogs
Extravascular Lung Water / physiology
Lung / physiology*
Positive-Pressure Respiration
Respiration, Artificial*
Time Factors
Water-Electrolyte Balance / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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