Document Detail


Comparison of regional pulmonary perfusion in lobar pneumonia during high frequency and conventional mechanical ventilation in sheep.
MedLine Citation:
PMID:  3581395     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We compared the effects of high frequency jet ventilation (HFV), conventional ventilation (CMV), and spontaneous breathing (SB) on regional pulmonary blood flows (QLLL), standard cardiopulmonary measurements and the serum levels of the first generation metabolites of prostacyclin (6-keto-PGF1 alpha) and thromboxane A2 (TxB2) in established left lower lobe pseudomonas aeruginosa pneumonia in 11 sheep. Gram negative pneumonia resulted in significant increases in alveolar-arterial oxygen gradients [(A-a)DO2] and pulmonary shunt fractions (Qs/Qt), as well as a significant decrease in QLLL during SB. Significant differences in standard haemodynamics, (A-a)DO2, Qs/Qt, and QLLL were not observed when HFV was compared to CMV. However, serum levels of 6-keto-PGF1 alpha were elevated when the animals underwent HFV. We conclude that HFV is a safe and efficient method of oxygenation and ventilation in unilobar gram negative pneumonia and also results in a significant increase in the serum levels of 6-keto-PGF1 alpha when compared to CMV in sheep. The exact significance of the latter finding is the subject of current investigation.
Authors:
M J Girotti; K Hong; W C Demajo; T R Todd
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Canadian journal of anaesthesia = Journal canadien d'anesthésie     Volume:  34     ISSN:  0832-610X     ISO Abbreviation:  Can J Anaesth     Publication Date:  1987 May 
Date Detail:
Created Date:  1987-07-14     Completed Date:  1987-07-14     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8701709     Medline TA:  Can J Anaesth     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  252-8     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
6-Ketoprostaglandin F1 alpha / blood
Animals
Cardiac Output
Female
Hemodynamics
Pneumonia, Pneumococcal / etiology,  physiopathology,  therapy*
Pseudomonas Infections / complications
Pulmonary Circulation*
Respiration
Respiration, Artificial*
Sheep
Thromboxane B2 / blood
Chemical
Reg. No./Substance:
54397-85-2/Thromboxane B2; 58962-34-8/6-Ketoprostaglandin F1 alpha

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


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