Portosystemic hepatic. Medical search. Frequent questions

Transjugular intrahepatic portosystemic shunt creation may be associated with hyperplastic hepatic nodular lesions in the long term: an analysis of 18 pediatric and young adult patients. (physiciansweekly.com)
Retrospective studies have demonstrated the efficacy and safety of pediatric and adolescent transjugular intrahepatic portosystemic shunt (TIPS), but long-term outcomes warrant further investigation. (physiciansweekly.com)
however, a direct intrahepatic portosystemic shunt was created in one (5.6%) patient. (physiciansweekly.com)
Mean reduction of the portosystemic shunt gradient was 9.1±3.3 mmHg (range: 4-16 mmHg). (physiciansweekly.com)
Transjugular intrahepatic portosystemic shunt (TIPS or TIPSS) is an artificial channel within the liver that establishes communication between the inflow portal vein and the outflow hepatic vein. (wikipedia.org)
Acute hepatic dysfunction after TIPS may require emergent closure of the shunt. (wikipedia.org)
By creating a shunt from the portal vein to the hepatic vein, this intervention allows portal blood an alternative avenue for draining into systemic circulation. (wikipedia.org)
Portosystemic shunt placement reveals blood signatures for the development of hepatic encephalopathy through mass spectrometry. (bvsalud.org)
Elective transjugular intrahepatic portosystemic shunt ( TIPS ) placement can worsen cognitive dysfunction in hepatic encephalopathy (HE) patients due to toxins, including possible microbial metabolites, entering the systemic circulation. (bvsalud.org)
Kim E T, Song S, Cho Y K, Cho S W. Feasibility and Effectiveness of Hepatic Artery Guiding Technique in Transjugular Intrahepatic Portosystemic Shunt Procedure. (brieflands.com)
Transjugular intrahepatic portosystemic shunt (TIPS) has been known to be effective in treating complications of portal hypertension such as gastroesophageal variceal bleeding and refractory ascites ( 1 - 3 ). (brieflands.com)
Furthermore, it is agreed upon that puncture from the hepatic vein to the portal vein to create a shunt is the most challenging step in the procedure ( 2 , 8 - 10 ). (brieflands.com)
Transjugular intrahepatic portosystemic shunt (TIPS) was successfully performed in the patient via the left internal jugular vein approach. (ijgii.org)
1 - 5 The use of transjugular intrahepatic portosystemic shunt (TIPS) in the treatment of PA-HSOS has been reported in the literature, and it is considered an effective treatment for patients whose portal hypertension and related complications do not respond to medical treatment. (ijgii.org)
The case lacked typical features of liver involvement and was possibly related to a rare congenital portosystemic shunt. (cdc.gov)
We describe a case of disseminated AE without hepatic involvement in a child from Manitoba with a congenital portosystemic shunt, in the context of emerging epidemiology of AE in Canada. (cdc.gov)
The portal veins were diminutive in caliber, and a large caliber portosystemic shunt arose from the superior mesenteric vein, which drained into the right common iliac vein. (cdc.gov)
This anomaly is consistent with a type II congenital portosystemic shunt (Abernethy malformation) ( 4 ). (cdc.gov)
Transjugular intrahepatic portosystemic shunt (TIPS) is surgery to make new attachments between blood vessels in the liver. (baycare.org)
Percutaneous transvenous coil embolization of an extrahepatic portosystemic shunt in a cat. (cabi.org)
Recanalisation of a congenital extrahepatic portosystemic shunt previously attenuated with cellophane banding in a cat. (cabi.org)
Case summary: A congenital extrahepatic portosystemic shunt was attenuated with commercial roll cellophane banding in a cat and postoperative liver changes were monitored using CT angiography (CTA). (cabi.org)
It is influenced by the previous history of overt HE (OHE), the severity of liver disease, age, alcoholic etiology, and the portosystemic shunt procedure. (termedia.pl)
Main therapies to manage gastric variceal bleed are transjugular intra hepatic portosystemic shunt (TIPS) or endoscopic injection of cyanoacrylate or glue. (gi.org)
Background/Aim: Congenital portosystemic shunt (PSS) is a vascular anomaly forming a direct communication between portal and central venous systems, thus bypassing the liver. (iiarjournals.org)
Congenital portosystemic shunt (PSS) is a vascular anomaly first reported in human medicine as Abernethy malformation in 1793 ( 1 ). (iiarjournals.org)
Another procedure, transjugular intrahepatic portosystemic shunt (TIPS) uses a minimally invasive (catheter-based) technique to connect your portal vein directly into the vein that carries blood from your liver to your heart (hepatic vein). (clevelandclinic.org)
The objective of this study was to investigate differences in the urine metabolome between healthy dogs, dogs with chronic hepatitis, dogs with hepatocellular carcinoma, and dogs with a congenital portosystemic shunt. (datadryad.org)
Stored urine samples from 10 healthy dogs, 10 dogs with chronic hepatitis, 6 dogs with hepatocellular carcinoma, and 5 dogs with a congenital portosystemic shunt were analyzed. (datadryad.org)
In, conclusion, the urine metabolome varies between healthy dogs, dogs with chronic hepatitis, dogs with hepatocellular carcinoma, and dogs with a congenital portosystemic shunt. (datadryad.org)
PRPS offered information on the hepatic areas missing venous outflow or portal inflow, length and extent of the lesions, open portosystemic shunts (PSS), involvement of the caudate lobe (CL) as an intrahepatic shunt and flow reversal in the splenic vein. (wjgnet.com)
A splenorenal shunt, or other portosystemic shunts, allow portal venous blood to bypass the filtering effect of the liver, allowing toxins to pass to the brain and cause confusion (hepatic encephalopathy). (uclahealth.org)
The etiology of portal hypertension may be an important factor affecting patient outcomes after transjugular intrahepatic portosystemic shunt (TIPS) treatment. (researchsquare.com)
This Yorkshire terrier had surgery for a congenital portosystemic shunt, but her blood work never returned to normal and she continued to have poor muscle development and dry hair coat and bouts of weakness and confusion. (acvs.org)
The most common liver disease that causes hepatic encephalopathy is a portosystemic shunt , a condition in which certain blood vessels bypass the liver's filtration system. (vin.com)
Patients with Chronic Liver Disease (CLD) frequently experience neurologic sequel, usually associated with extensive portosystemic shunt of blood, a liver bypass either by portosystemic anastomosis or as a result of the development of an extensive portosystemic collateral circulation. (openventio.org)
Transjugular intrahepatic portosystemic shunt (TIPS) offers an effective treatment for patients with complications of portal hypertension, specifically prevention of variceal rebleeding and recurrent or refractory ascites. (emjreviews.com)
The selective use of anticoagulation, vascular stents, transjugular intrahepatic portosystemic stent-shunt and liver transplant has resulted in a significant increase in survival. (medscape.com)
5. Have a portosystemic shunt or scheduled for transjugular intrahepatic portosystemic shunt placement or highly likely to receive a liver transplant during the study. (who.int)

Complications and outcome of cats with congenital extrahepatic portosystemic shunts treated with thin film: thirty-four cases (2008-2017). (cabi.org)
Typically, portosystemic shunts involve single extrahepatic or. (msdvetmanual.com)
Insufficient hepatic mass or portal circulation deviated to the systemic circulation via extrahepatic portosystemic shunts (congenital or acquired) or microscopic shunting within the liver (congenital microvascular dysplasia) causes high TSBA concentrations. (merckvetmanual.com)

It generally occurs more often in patients with hepatic dysfunction less severe than that observed in type 1. (medscape.com)
Hepatic encephalopathy (HE) is a neuropsychiatric syndrome due to hepatic dysfunction and porto-systemic shunting of the intestinal blood. (nih.gov)
TIPS reduces portal pressure and increases effective blood volume and cardiac output, but long-term adverse effects may include increased risk of liver failure, hepatic encephalopathy, and cardiac dysfunction. (emjreviews.com)
Important patient factors to consider before performing TIPS include cardiac and renal function, severity of liver dysfunction, history of hepatic encephalopathy, and inflammatory status. (emjreviews.com)
2.5-3 mg/dL) cause jaundice and can be classified into different anatomical sites of pathology: prehepatic (increased bilirubin production), hepatic (liver dysfunction), or posthepatic (duct obstruction). (medscape.com)
Budd-Chiari syndrome is a rare disorder caused by hepatic venous outflow obstruction and resulting hepatic dysfunction. (medscape.com)

Cirrhosis Cirrhosis is a late stage of hepatic fibrosis that has resulted in widespread distortion of normal hepatic architecture. (msdmanuals.com)
It is caused most often by cirrhosis (in North America), schistosomiasis (in endemic areas), or hepatic vascular abnormalities. (msdmanuals.com)
Cirrhosis is defined histologically as a diffuse hepatic process characterized by fibrosis and conversion of the normal liver architecture into structurally abnormal nodules. (medscape.com)
The symptoms of hepatic encephalopathy may range from mild to severe and may be observed in as many as 70% of patients with cirrhosis. (medscape.com)
Hepatic vein obstruction can get worse and lead to cirrhosis and liver failure. (medlineplus.gov)
Intrahepatic causes of portal hypertension include cirrhosis and hepatic fibrosis or scarring. (hdkino.org)
Measurement of the hepatic venous pressure gradient (HVPG) is the gold standard to estimate portal venous pressure in patient with cirrhosis, i.e. assessing the severity of sinusoidal portal hypertension 4 . (jove.com)
He was suffering from posthepatitic cirrhosis caused by hepatitis B with a history of 6 years, having ascites as the initial presentation in 2003, but constantly without prior recurrent episodes of hepatic encephalopathy. (openventio.org)
Decreased hepatic clearance may be caused by congestive heart failure, cirrhosis/portosystemic shunts, and/or certain drugs. (medscape.com)
Occasionally, cirrhosis can cause unconjugated hyperbilirubinemia, as hepatic fibrosis leads to capillarization of the sinusoids, causing decreased bilirubin uptake by hepatocytes. (medscape.com)

Congenital hepatic fibrosis (CHF) is an autosomal recessive disease that primarily affects the hepatobiliary and renal systems. (medscape.com)
It is characterized by hepatic fibrosis, portal hypertension, and renal cystic disease. (medscape.com)
Congenital hepatic fibrosis is one of the fibropolycystic diseases, which also include Caroli disease , autosomal dominant polycystic kidney disease (ADPKD), and autosomal recessive polycystic kidney disease (ARPKD). (medscape.com)
Congenital hepatic fibrosis is associated with an impairment of renal functions, usually caused by an ARPKD, which is a severe form of polycystic kidney disease . (medscape.com)
Because of the variable clinical presentations, congenital hepatic fibrosis is believed to represent a broad spectrum of hepatic and renal lesions rather than a single clinical entity. (medscape.com)
Congenital hepatic fibrosis results from a malformation of the ductal plate (the embryological precursor of the biliary system), secondary biliary strictures, and periportal fibrosis. (medscape.com)
Congenital hepatic fibrosis is a ductal plate malformation of the small interlobular bile ducts, whereas Caroli disease involves the large intrahepatic bile ducts. (medscape.com)
The classic renal lesion associated with congenital hepatic fibrosis is ARPKD, which results in an impairment of renal functions. (medscape.com)
The relationship of ARPKD to congenital hepatic fibrosis remains a controversial issue. (medscape.com)
[ 9 ] Most cases of ARPKD and congenital hepatic fibrosis are genetically homogeneous. (medscape.com)
However, the exact pathogenesis of association between congenital hepatic fibrosis and ADPKD still requires further research and study. (medscape.com)
Congenital hepatic fibrosis is characterized by the intrahepatic form of portal hypertension, which is caused by the intrahepatic obstruction that affects the blood supply to the liver and subsequently leads to the development of cavernous transformations of the portal vein with a rise in portal venous pressure. (medscape.com)

While healthy livers are predominantly oxygenated by portal blood supply, long-standing portal hypertension results in compensatory hypertrophy of and increased reliance on the hepatic artery for oxygenation. (wikipedia.org)
Feasibility and Effectiveness of Hepatic Artery Guiding Technique in Transj. (brieflands.com)
To evaluate the feasibility and effectiveness of the hepatic artery guiding technique in TIPS procedure. (brieflands.com)
Total procedure times, puncture times, and total procedure radiation doses as radiation quantity (mGy) and dose area product (μGym2) from each procedure were compared using the Mann-Whitney U test between those in the simple blind puncture group and those who underwent hepatic artery guiding technique. (brieflands.com)
The mean puncture time among those who underwent hepatic artery guiding technique (26.67 ± 11.46 min) was significantly shorter than the mean puncture time in the simple blind puncture group (38.50 ± 29.69 min) (P = 0.045). (brieflands.com)
Hepatic artery guiding technique could increase the feasibility of portal vein puncture in TIPS without a significant increase in radiation dose. (brieflands.com)
introduced hepatic artery targeting wire with fluoroscopy to facilitate portal vein puncture ( 10 ). (brieflands.com)
To our knowledge, however, there have been no studies comparing this hepatic artery guiding technique with the simple blind puncture technique. (brieflands.com)
Once in the liver, the portal vein and hepatic artery (which accounts for 25% of the liver's blood supply) come together to form sinusoids, spaces where the blood is filtered. (hdkino.org)
LAS was useful in the differential diagnosis between the BCS and portal obstructions, highlighting the hepatic artery buffer response and reversed portal flow. (wjgnet.com)
Oxygen is supplied to the liver from the hepatic artery, while supporting nutrients are delivered via the portal vein. (naturalremedies.org)

Hepatic vein obstruction is a blockage of the hepatic vein, which carries blood away from the liver. (medlineplus.gov)
Hepatic vein obstruction prevents blood from flowing out of the liver and back to the heart. (medlineplus.gov)
Obstruction of this vein can be caused by a tumor or growth pressing on the vessel, or by a clot in the vessel (hepatic vein thrombosis). (medlineplus.gov)
We here report a rare case of pyrrolidine-alkaloid-induced hepatic sinusoidal obstruction syndrome (PA-HSOS) complicated with situs inversus totalis and portal vein thrombus (PVT). (ijgii.org)
Hepatic sinusoidal obstruction syndrome (HSOS) is a hepatic vascular disease often caused by oral intake of herbal medicines containing pyrrolizidine alkaloids in China, such as Tusanqi (Gynura segetum), and it is classified as pyrrolidine-alkaloid-induced HSOS (PA-HSOS). (ijgii.org)
This obstruction can be intrahepatic (intra=within +hepatic=liver), pre-hepatic (pre=before) or post- hepatic (post=after). (hdkino.org)
Obstruction of one hepatic vein (HV) did not cause opening of PSS. (wjgnet.com)
Pyrrolizidine alkaloid-induced hepatic sinusoidal obstruction syndrome (PA-HSOS) is characterized by acute portal hypertension and liver injury. (researchsquare.com)
Budd-Chiari syndrome is an uncommon condition induced by thrombotic or nonthrombotic obstruction of the hepatic venous outflow and is characterized by hepatomegaly, ascites, and abdominal pain. (medscape.com)
Obstruction of large- or small-caliber veins leads to hepatic congestion as blood flows into, but not out of, the liver. (medscape.com)
The description of the clinical features of hepatic vein outflow obstruction is generally attributed to a pathologist, Hans Chiari (although he was not the first). (medscape.com)
The term 'obliterative hepatocavopathy' has been used to describe obstruction primarily affecting the hepatic portion of the IVC. (medscape.com)
BCS is defined as hepatic venous outflow obstruction at any level from the small hepatic veins (HV) to the junction of the IVC and the right atrium, regardless of the cause of obstruction. (medscape.com)
The focus of this review will be primary BCS where hepatic venous outflow obstruction occurs as a result of thrombosis and its sequelae. (medscape.com)
Hepatic venous outflow obstruction caused by external compression or invasion of the venous lumen is termed secondary BCS and is seen with malignant tumors or large cysts. (medscape.com)

Correct and sufficient wedge position of the catheter is ensured by injecting contrast media while the balloon is blocking the outflow of the cannulated hepatic vein. (jove.com)

This leads to increased portal vein and hepatic sinusoid pressures as the blood flow stagnates. (wikipedia.org)

A tunnel, aided by a stent to keep it open, is made in the liver to connect the portal vein to one of the three hepatic veins transporting blood away from the liver to the heart. (baycare.org)
[1] [2] The condition is caused by occlusion of the hepatic veins (usually due to a blood clot ) that drain the liver . (wikipedia.org)
Hepatic veins labeled at center top. (wikipedia.org)
We described three hemodynamic categories of the BCS with several subtypes and stages, based on the finding that perfusion changes depend on the initial number and succession in time of the hepatic veins (HVs) obstructions. (wjgnet.com)
Overt Budd-Chiari syndrome generally requires the occlusion of at least 2 hepatic veins. (medscape.com)
All the hepatic veins seemed thicker and more opaque than natural and on examining them closely found a thin false membrane on their inner surface which in the large veins could be readily stripped off. (medscape.com)
In 1899, Chiari described an "obliterating endophlebitis of the hepatic veins" and its association with hepatomegaly, ascites and abdominal pain. (medscape.com)
The BCS initially referred to symptomatic occlusion of the hepatic veins, but later also to obstructive changes in the hepatic portion of the inferior vena cava (IVC) and hepatic vein orifices. (medscape.com)

Portosystemic encephalopathy better describes the pathophysiology than hepatic encephalopathy or hepatic coma, but all 3 terms are used interchangeably. (msdmanuals.com)

Common signs and symptoms may stem from decreased hepatic synthetic function (eg, coagulopathy), portal hypertension (eg, variceal bleeding), or decreased detoxification capabilities of the liver (eg, hepatic encephalopathy). (medscape.com)
It can be associated with conditions such as portal hypertension, variceal hemorrhage, chronic hepatic encephalopathy, and hepatocellular carcinoma. (thieme-connect.com)
Clinically, measurement of HVPG is indicated (i) to establish the diagnosis of sinusoidal portal hypertension, (ii) to identify patients at risk for hepatic decompensation by diagnosing CSPH (HVPG ≥10 mm Hg), (iii) to guide pharmacological therapy in primary or secondary prophylaxis of variceal bleeding, and (iv) to assess the risk of hepatic failure after partial hepatectomy 2 , 4 . (jove.com)

Acquired Portosystemic Shunts in Small Animals Acquired portosystemic shunts are anomalous vessels that form secondary to numerous causes of portal hypertension and allows. (msdvetmanual.com)

An investigation into the diagnostic markers of congenital portosystemic shunts in cats and dogs. (cabi.org)

3 years) portosystemic shunting via TIPS is associated with the development of hepatic nodular lesions in children. (physiciansweekly.com)

Here, we present a protocol for measurement of hepatic venous pressure gradient (HVPG),the gold standard to diagnose clinically significant portal hypertension. (jove.com)
Here we provide a detailed protocol describing the clinical procedure of hepatic venous pressure gradient (HVPG) measurement in patients with advanced chronic liver disease followed by an instruction for transjugular biopsy. (jove.com)

Acquired portosystemic shunts (APSSs) form secondary to numerous. (msdvetmanual.com)

The aim of this study was to determine the incidence of new or worsened hepatic encephalopathy after transjugular intrahepatic portosystemic shunts (TIPS) and to ascertain which clinical characteristics are associated with this complication. (nih.gov)
citation needed] Transjugular intrahepatic portosystemic shunts are typically placed by an interventional radiologist under fluoroscopic guidance. (wikipedia.org)
Surgical treatment and outcomes of intrahepatic portosystemic shunts in 12 cats. (cabi.org)

Occlusion of a single hepatic vein is usually silent. (medscape.com)

Computed tomography (CT) scanning and MRI studies of the brain may be important in ruling out intracranial lesions when the diagnosis of hepatic encephalopathy is in question. (medscape.com)
Plasma ammonia should be measured, as a normal value brings the diagnosis of hepatic encephalopathy into question. (spg.pt)
Hepatic microvascular dysplasia (HMD) or portal atresia is a histologic diagnosis, meaning it only describes the biopsy findings . (acvs.org)

Single use of Romiplostim should be considered before Trans jugular intra-hepatic porto-systemic shunts or portal hemodynamic procedures and prior to surgical interventions with severe thrombocytopenia. (sages.org)

On the other hand, up to 25% of patients who undergo TIPS will experience transient post-operative hepatic encephalopathy caused by increased porto-systemic passage of nitrogen from the gut. (wikipedia.org)

Congenital PSDs are usually solitary and extra-hepatic, with a high incidence in pure-breed dogs. (bvsalud.org)
This paper aims at reporting a successfulsurgical treatment of a solitary extra-hepatic congenital PSD in a mixed-breed dog.Case: A 7-month-old mixed-breed dog, female, spayed, weighing 8 kg, was presented with a history of sudden syncopeafter feeding. (bvsalud.org)
Abdominal ultrasound revealed an anomalous vessel inserted in the caudalcava vein, compatible with a congenital extra-hepatic PSD. (bvsalud.org)

She was eventually diagnosed with hepatic microvascular dysplasia. (acvs.org)
Total serum bile acid (TSBA) concentrations can sensitively detect cholestatic disorders and conditions associated with portosystemic shunting, including microvascular dysplasia in small dog breeds. (merckvetmanual.com)
Canine hepatic microvascular dysplasia/primary hypoplasia of the portal vein (HMVD/PHPV): not the disease that we thought it was! (vetpracticesupport.com)

Findings on physical examination in hepatic encephalopathy include asterixis and fetor hepaticus. (medscape.com)

Hepatic encephalopathy (HE) is a significant con-sequence of acute or chronic liver disease that is caused by metabolic abnormalities in the central nervous system. (termedia.pl)
Chronic hepatic disease can present a diagnostic challenge with different etiologies being associated with similar clinical and laboratory findings. (datadryad.org)

During angiography, a catheter is placed selectively via either the transjugular or transfemoral route into the hepatic vein to measure portal pressure. (medscape.com)
However, in some cases suddenly shunting portal blood flow away from the liver may result in acute liver failure secondary to hepatic ischemia. (wikipedia.org)
For instance, procedures such as wedge hepatic portography with CO 2 injection, intravenous ultrasound (IVUS), direct portography via portal vein puncture and ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI)-guided puncture have been introduced. (brieflands.com)
This release is also accompanied by enhanced dilation of the splanchnic vascular beds due to portal hypertension, resulting in the opening of portosystemic shunts and minor arteriovenous (AV) fistulae. (medscape.com)
Contrast material is injected in the hepatic vein to help the doctor identify the portal venous system. (baycare.org)
A TIPS needle, a long needle extending from the neck to the liver, is used to get access from the hepatic vein to the portal system. (baycare.org)
A stent is placed extending from the portal vein into the hepatic vein. (baycare.org)
The hepatic disease progresses to develop portal hypertension associated with splenomegaly and esophageal varices. (medscape.com)
This categorization is relative to the normal directional flow of from the portal vein to the liver (portal tracts), across the sinusoids, with egress through the hepatic vein into the vena cava. (msdvetmanual.com)
To investigate the hepatic hemodynamics in the Budd-Chiari syndrome (BCS) using per-rectal portal scintigraphy (PRPS) and liver angioscintigraphy (LAS). (wjgnet.com)
The aim of this study was to compare the post-TIPS survival between patients with PA-HSOS and those with other etiologies of hepatic portal hypertension. (researchsquare.com)
Background: Portosystemic deviation (PSD) is a congenital or acquired vascular anomaly that allows an abnormal bloodflow from the portal vein directly to the systemic circulation. (bvsalud.org)

Evaluation of the Patient With a Liver Disorder History and physical examination often suggest a cause of potential liver disorders and narrow the scope of testing for hepatic and biliary disorders. (msdmanuals.com)

Hepatic encephalopathy is a common complication of TIPS that can be controlled medically in most patients. (nih.gov)
Two (11.1%) patients developed mild, medically controlled hepatic encephalopathy. (physiciansweekly.com)
Nine (50%) patients developed single or multiple hepatic nodules at a mean imaging surveillance time after TIPS of 4.4±3.0 years (range: 1.5-10.2 years). (physiciansweekly.com)
Portosystemic encephalopathy is a neuropsychiatric syndrome that can develop in patients with liver disease. (msdmanuals.com)
An elevated arterial or free venous serum ammonia level is the classic laboratory abnormality reported in patients with hepatic encephalopathy. (medscape.com)
It is also important to that emphasize that protein restriction in patients with hepatic encephalopathy is not recommended. (spg.pt)
Large portosystemic shunts (mainly splenorenal shunts) are found upon radiological screening in nearly half of patients with refractory encephalopathy - frequently patients with a fairly preserved liver function or in whom an encephalopathy-precipitating factor cannot be found. (spg.pt)
Impaired delivery of bilirubin to the liver in conditions such as congestive heart failure or in patients with portosystemic shunts can decrease the hepatic bilirubin uptake by the liver. (medscape.com)

causes associated with liver disease can be categorized according to cause as prehepatic, hepatic, or posthepatic. (msdvetmanual.com)

7. Organ failure (as defined by hepatic encephalopathy >stage 3) or requires renal replacement therapy or creatinine >2.5 mg/dL (or 221 mmol/L). (who.int)

Primary Budd-Chiari syndrome occurs due to thrombosis of the hepatic vein. (wikipedia.org)
[2] Inherited disorders of hypercoagulability may lead to thrombosis of the hepatic vein and Budd-Chiari syndrome. (wikipedia.org)
The main goals of treatment are to ameliorate hepatic congestion and prevent further thrombosis. (medscape.com)

Consequently, children with TIPS may need gray-scale assessment of hepatic parenchyma as part of routine ultrasound exams and extended imaging surveillance until more is understood regarding the natural history of induced nodularity. (physiciansweekly.com)
Prophylactic embolization of large spontaneous portosystemic shunts with TIPS: A panacea for post TIPS hepatic encephalopathy? (amedeo.com)

Bile acid tests and ammonia measurements, also known as ammonia tolerance tests, can help confirm liver disease and hepatic encephalopathy, especially when combined with signs and laboratory findings. (vin.com)

Congenital and Inherited Anomalies of the Liver in Animals Portosystemic shunts are the most common congenital liver anomaly (see Portosystemic Vascular Malformations in Small Animals). (msdvetmanual.com)

This enables the interventional radiologist to gain access to the patient's hepatic vein by traveling from the superior vena cava into the inferior vena cava and finally the hepatic vein. (wikipedia.org)
Using fluoroscopic guidance, a balloon catheter is advanced into the inferior vena cava (IVC) and inserted into a large hepatic vein. (jove.com)

Hepatic encephalopathy is a neurological condition that can occur in pets, more commonly in dogs, that already have liver disease. (vin.com)

Should we recommend CT angiography for all potential portosystemic shunts -or is ultrasound good enough? (vetpracticesupport.com)

It most often results from high gut protein or acute metabolic stress (eg, gastrointestinal bleeding, infection, electrolyte abnormality) in a patient with portosystemic shunting. (msdmanuals.com)
A less common, but more serious complication, is hepatic ischemia causing acute liver failure. (wikipedia.org)
Management of hepatic encephalopathy: beyond the acute episode. (spg.pt)

In portosystemic shunting, absorbed products that would otherwise be detoxified by the liver enter the systemic circulation and reach the brain, causing toxicity, particularly to the cerebral cortex. (msdmanuals.com)

Once the catheter is in the hepatic vein, a wedge pressure is obtained to calculate the pressure gradient in the liver. (wikipedia.org)

Anatomy16

Organisms6

Diseases34

Chemicals and Drugs18

Analytical, Diagnostic and Therapeutic Techniques and Equipment30

Phenomena and Processes10

Disciplines and Occupations1

Technology, Industry, Agriculture2

Information Science1

Health Care7

Shunt39

Extrahepatic3

Dysfunction6

Cirrhosis10

Fibrosis12

Artery11

Obstruction15

Outflow1

Increased portal vein and hepatic1

Veins8

Pathophysiology1

Variceal3

Causes of portal hypertension1

Shunts in cats1

Development of hepatic1

Venous pressure gradient2

Acquired Portosystemic Shunts1

Intrahepatic portosystemic shunts3

Occlusion1

Diagnosis3

Intra hepatic1

Porto-systemic1

Extra-hepatic3

Microvascular3

Encephalopathy include1

Chronic2

Portal12

Biliary disorders1

Patients8

Prehepatic1

Renal1

Thrombosis3

TIPS2

Ammonia1

Anomaly1

Inferior2

Dogs1

Ultrasound1

Acute3

Systemic circulation1

Wedge1