Hepatic Venous Outflow Obstruction: Suggestion of a New Classification

Hepatic venous outflow obstruction (HVOO) is common in developing countries. It is a serious condition that clinically manifests with ascites from sinusoidal hypertension, and carries the risk of high mortality or development of liver cirrhosis. In the past, the eponym Budd–Chiari Syndrome (BCS) was...

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Main Author: Santosh Man Shrestha
Format: Article
Language:English
Published: Troika Publisher 2017-07-01
Series:Journal of Renal and Hepatic Disorders
Subjects:
Online Access:https://jrenhep.com/index.php/jrenhep/article/view/13
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author Santosh Man Shrestha
author_facet Santosh Man Shrestha
author_sort Santosh Man Shrestha
collection DOAJ
description Hepatic venous outflow obstruction (HVOO) is common in developing countries. It is a serious condition that clinically manifests with ascites from sinusoidal hypertension, and carries the risk of high mortality or development of liver cirrhosis. In the past, the eponym Budd–Chiari Syndrome (BCS) was used synonymously for HVOO. In the West, hepatic vein (HV) thrombosis caused by prothrombotic disorders is the main cause of HVOO. In the East, obliterative disease of hepatic portion of inferior vena cava induced by bacterial infection, now renamed hepatic vena cava syndrome, is the common cause of HVOO. These two diseases with different etiology, epidemiology, and natural history are at present grouped together under BCS causing much confusion. Sinusoidal obstruction syndrome, another important cause of HVOO at the level of the sinusoid and terminal HV, was left out in the classification of HVOO. In this article, the pathophysiology of sinusoidal hypertension is described, the term BCS is redefined, and a new classification of HVOO is suggested.
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spelling doaj-art-be009dfa81bc4e20a25a108dbad52e3c2025-08-20T02:51:18ZengTroika PublisherJournal of Renal and Hepatic Disorders2207-37442017-07-011210.15586/jrenhep.2017.1314Hepatic Venous Outflow Obstruction: Suggestion of a New ClassificationSantosh Man Shrestha0Liver Foundation NepalSitapaela HeightNagarjun Municipality 2PO Box: C/O Pradeep Kazi Tamrakar, PO Box # 13273Kathmandu, NepalHepatic venous outflow obstruction (HVOO) is common in developing countries. It is a serious condition that clinically manifests with ascites from sinusoidal hypertension, and carries the risk of high mortality or development of liver cirrhosis. In the past, the eponym Budd–Chiari Syndrome (BCS) was used synonymously for HVOO. In the West, hepatic vein (HV) thrombosis caused by prothrombotic disorders is the main cause of HVOO. In the East, obliterative disease of hepatic portion of inferior vena cava induced by bacterial infection, now renamed hepatic vena cava syndrome, is the common cause of HVOO. These two diseases with different etiology, epidemiology, and natural history are at present grouped together under BCS causing much confusion. Sinusoidal obstruction syndrome, another important cause of HVOO at the level of the sinusoid and terminal HV, was left out in the classification of HVOO. In this article, the pathophysiology of sinusoidal hypertension is described, the term BCS is redefined, and a new classification of HVOO is suggested.https://jrenhep.com/index.php/jrenhep/article/view/13AscitesBudd-Chiari syndromehepatic vena cava syndromehepatic venous outflow obstructionsinusoidal obstruction syndrome
spellingShingle Santosh Man Shrestha
Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
Journal of Renal and Hepatic Disorders
Ascites
Budd-Chiari syndrome
hepatic vena cava syndrome
hepatic venous outflow obstruction
sinusoidal obstruction syndrome
title Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
title_full Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
title_fullStr Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
title_full_unstemmed Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
title_short Hepatic Venous Outflow Obstruction: Suggestion of a New Classification
title_sort hepatic venous outflow obstruction suggestion of a new classification
topic Ascites
Budd-Chiari syndrome
hepatic vena cava syndrome
hepatic venous outflow obstruction
sinusoidal obstruction syndrome
url https://jrenhep.com/index.php/jrenhep/article/view/13
work_keys_str_mv AT santoshmanshrestha hepaticvenousoutflowobstructionsuggestionofanewclassification