Document Detail


Direct measurement of post-prandial portal haemodynamics in cirrhotic patients with a transjugular intrahepatic portosystemic stent-shunt.
MedLine Citation:
PMID:  9619385     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Portal haemodynamics vary in response to eating and other stimuli, but any increase in portal venous pressure (PVP) in cirrhotic patients may be a risk factor for variceal bleeding. We directly assessed post-prandial splanchnic haemodynamics in cirrhotic patients with a transjugular intrahepatic portosystemic stent-shunt (TIPSS) in situ. METHODS: A thermodilution catheter was inserted via the patent TIPSS into the portal vein in 12 cirrhotic patients. PVP,portal venous flow (PVF) (thermodilution method), portal vascular resistance (PVR), porto-atrial pressure gradient (PPG), heart rate, mean arterial pressure (MAP) and right atrial pressure (RAP) were measured. A 505 kcal meal was given and all haemodynamic measurements were repeated at 15 min intervals for 60 min. RESULTS: Following the meal, there was a significant rise in PVP from 11.2 +/- 1.5 to 14.0 +/- 1.9 mmHg at 15 min, and 14.0 +/- 1.8 mmHg at 30 min (P < 0.001); in PPG from 9.5 +/- 1.4 to 12.7 +/- 2.2 mmHg at 15 min and 12.7 +/- 2.1 mmHg at 30 min (P < 0.005); and in PVF from 1110.2 +/- 141.1 to 1543.2 +/- 227.6 ml/min at 30 min (P < 0.01). PVR feil from 0.08 +/- 0.01 to 0.05 +/- 0.01 RU at 30 min (P < 0.05). Heart rate increased from 77 +/- 4.1 to 80.5 +/- 5.4 bpm at 15 min (p < 0.05), but MAP and RAP remained unchanged. CONCLUSION: In cirrhotic patients with TIPSS, significant changes in portal haemodynamics occur at 15-30 min following a meal, with minimal effect on systemic haemodynamics. This model offers a new technique to directly assess the causes for and possible treatments of post-prandial splanchnic hyperaemia in cirrhosis.
Authors:
A J Stanley; E H Forrest; D N Redhead; I A Bouchier; P C Hayes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of gastroenterology & hepatology     Volume:  10     ISSN:  0954-691X     ISO Abbreviation:  Eur J Gastroenterol Hepatol     Publication Date:  1998 May 
Date Detail:
Created Date:  1998-08-25     Completed Date:  1998-08-25     Revised Date:  2009-10-16    
Medline Journal Info:
Nlm Unique ID:  9000874     Medline TA:  Eur J Gastroenterol Hepatol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  393-7     Citation Subset:  IM    
Affiliation:
Department of Medicine, Royal Infirmary of Edinburgh, UK.
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MeSH Terms
Descriptor/Qualifier:
Blood Pressure
Esophageal and Gastric Varices / surgery
Female
Gastrointestinal Hemorrhage / surgery
Hemodynamics
Humans
Liver Cirrhosis / physiopathology*
Male
Middle Aged
Portal System / physiology*
Portasystemic Shunt, Transjugular Intrahepatic*
Postprandial Period / physiology*
Splanchnic Circulation / physiology*
Thermodilution

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


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