Document Detail


Competitive pulmonary flow in infancy: the effect of respiration.
MedLine Citation:
PMID:  10077395     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Superior caval flow during positive pressure mechanical ventilation and spontaneous breathing was investigated by Doppler echocardiography in a neonate with a coexisting superior cavopulmonary shunt and an aortopulmonary shunt. During positive pressure ventilation, retrograde systolic flow in the superior vena cava was recorded, with low velocity anterograde flow. This pattern was reversed during spontaneous respiration. Low intrathoracic pressure plays an important role in maintaining anterograde pulmonary blood flow in patients with this physiology.
Authors:
H T Henneveld; N Sreeram; J F Hitchcock
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  International journal of cardiology     Volume:  68     ISSN:  0167-5273     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  1999 Jan 
Date Detail:
Created Date:  1999-06-03     Completed Date:  1999-06-03     Revised Date:  2006-07-12    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  9-12     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Wilhelmina Children's Hospital, Utrecht, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Arteriovenous Shunt, Surgical
Echocardiography, Doppler
Fatal Outcome
Heart Defects, Congenital / physiopathology,  surgery*,  ultrasonography
Heart Ventricles / physiopathology*,  surgery*,  ultrasonography
Humans
Infant, Newborn
Positive-Pressure Respiration
Pulmonary Circulation / physiology*
Respiration*
Superior Vena Cava Syndrome / etiology
Ultrasonography, Doppler, Color

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


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