Document Detail


New insights into the pathobiology of portal hypertension.
MedLine Citation:
PMID:  19796039     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Portal Hypertension is a frequent complication of cirrhosis and causes significant morbidity and mortality. Increased intrahepatic resistance is the primary factor but portal hypertension is also associated with changes in systemic and porto-sytemic collateral circulation. Cirrhosis is a state of vasoregulatory imbalance with excess vasoconstrictors and less vasodilators in hepatic circulation and the reverse is true for systemic circulation. Multiple pathophysiologic mechanisms including endothelial dysfunction, sinusoidal remodeling and angiogenesis are involved in increasing resistance in hepatic vascular bed. Current evidence suggests that these changes in vasoreactivity contribute to a significant proportion of intrahepatic vascular resistance and that they are reversible, providing an attractive target for therapeutic intervention.
Authors:
Praveen Guturu; Vijay Shah
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hepatology research : the official journal of the Japan Society of Hepatology     Volume:  39     ISSN:  1386-6346     ISO Abbreviation:  Hepatol. Res.     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-10-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9711801     Medline TA:  Hepatol Res     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1016-9     Citation Subset:  -    
Affiliation:
Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas, USA.
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