Document Detail

Dialysis reduces portal pressure in patients with chronic hepatitis C.
MedLine Citation:
PMID:  20653650     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to characterize changes in hepatic venous pressures in patients with chronic hepatitis C. The histology and laboratory data from patients with chronic hepatitis C who underwent a transjugular liver biopsy (TJLB) and hepatic venous pressure gradient measurement were analyzed. Portal hypertension was defined as hepatic venous pressure gradient > or =6 mm Hg. A single pathologist masked to hepatic venous pressure gradient scored liver sections for inflammation and fibrosis. The patients with high-grade inflammation (relative risk [RR] 2.82, P = 0.027, multivariate analysis) and late-stage fibrosis (RR 2.81, P = 0.022) were more likely to have a hepatic venous pressure gradient > or =6 mm Hg, while the patients on dialysis (RR 0.32, P = 0.01) were less likely to have a hepatic venous pressure gradient > or =6 mm Hg. The patients on dialysis (n = 58) had an elevated serum blood urea nitrogen and creatinine when compared with those who were not (n = 75) (47.6 +/- 3.3 and 7.98 +/- 0.4 vs. 25.9 +/- 2.0 and 1.66 +/- 0.22 mg/dL, respectively; P < 0.001). While the hepatic venous pressure gradient increased with the rising levels of liver fibrosis in the latter group (P < 0.01), it did not change in the patients on dialysis (P = 0.41). The median hepatic venous pressure gradient was especially low in late-stage fibrosis patients on dialysis when compared with the latter group (5 vs. 10 mm Hg, P = 0.017). In patients on dialysis, serum transaminases were low across all levels of fibrosis. Twenty-three of the 92 patients with early fibrosis had a hepatic venous pressure gradient > or =6 mm Hg. In patients with chronic hepatitis C, concomitant TJLB and hepatic venous pressure gradient measurement identify those who have early fibrosis and portal hypertension. Long-term hemodialysis may reduce portal pressure in these patients.
Sandeep Khurana; Thomas Simcox; William Twaddell; Cinthia Drachenberg; Mark Flasar
Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Artificial organs     Volume:  34     ISSN:  1525-1594     ISO Abbreviation:  Artif Organs     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-26     Completed Date:  2010-11-08     Revised Date:  2013-08-22    
Medline Journal Info:
Nlm Unique ID:  7802778     Medline TA:  Artif Organs     Country:  United States    
Other Details:
Languages:  eng     Pagination:  570-9     Citation Subset:  IM    
Division of Gastroenterology and Hepatology, VA Maryland Health Care System and University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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MeSH Terms
Hepatitis C, Chronic / pathology,  physiopathology*,  therapy
Liver / pathology,  physiopathology*
Liver Cirrhosis / pathology,  physiopathology
Portal Pressure*
Renal Dialysis*
Grant Support

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

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