• Portal vein thrombosis with cavernous transformation. (medscape.com)
  • The long arrow indicates the splenic vein at the junction with the superior mesenteric vein just below the site of the thrombosis. (medscape.com)
  • Hepatocellular carcinoma with portal vein thrombosis. (medscape.com)
  • Occasionally, thrombosis of the splenic vein propagates to the portal vein, most often resulting from an adjacent inflammatory process such as chronic pancreatitis. (medscape.com)
  • Inherited and acquired disorders of the coagulation pathway are frequent causes of portal vein thrombosis. (medscape.com)
  • Coagulation disorders in portal vein thrombosis. (medscape.com)
  • Stasis is another major category for portal vein thrombosis. (medscape.com)
  • Infectious and inflammatory processes may also lead to venous thrombosis. (medscape.com)
  • Rarely, the thrombosis extends from the portal vein to the mesenteric arcades, leading to bowel ischemia and infarction. (medscape.com)
  • Neonatal sepsis with umbilical catheter placement has been reported to be the cause of portal vein thrombosis in 10-26% of cases. (medscape.com)
  • Appendicitis is a commonly reported risk factor in children with portal vein thrombosis. (medscape.com)
  • Congenital anomalies of the portal venous system, often associated with cardiovascular anomalies (eg, ventricular and atrial septal defects, deformed inferior vena cava) and biliary tract abnormalities, have been reported in 20% of children with portal vein obstruction and thrombosis. (medscape.com)
  • In adults, cirrhosis is the major etiology, accounting for 24-32% of cases of portal vein thrombosis. (medscape.com)
  • However, complications with port detachment and thrombosis may limit long term use of VAPs in the portal system of dogs. (uu.nl)
  • Portomesenteric Venous Thrombosis Following Major Colon and Rectal Surgery: Incidence and Risk Factors. (sages.org)
  • Introduction: Portomesenteric venous thrombosis (PMVT) is a rare and potentially fatal complication of abdominal surgery. (sages.org)
  • Inferior mesenteric vein thrombosis was excluded. (sages.org)
  • C-4: Splenic vein thrombosis of the same patient is marked by arrows. (medscape.com)
  • Thrombotic complications (arterial and venous events, including portal vein thrombosis (see this term) and pulmonary hypertension) have been described at a high rate after splenectomy. (orpha.net)
  • Cerebral venous thrombosis and portal vein thrombosis: A retrospective cohort study of 537,913 COVID-19 cases. (hypothes.is)
  • When associated with concomitant portal vein thrombosis, calcification may be seen in the portal vein after prolonged portal hypertension. (medscape.com)
  • Anticoagulant therapy for splanchnic vein thrombosis: An individual patient data meta-analysis. (universimed.com)
  • Thrombosis can occur within veins or arteries, however the mechanism of clot formation is different, with venous thrombosis associated with sluggish movement of blood (stasis) or imbalance of the clotting progress and feedback mechanism, whereas arterial thrombosis more commonly results from the rupture of an atherosclerotic plaque due to build-up of cholesterol in the arterial wall. (labtestsonline.org.uk)
  • We recommend anticoagulation for all noncirrhotic patients with acute symptomatic portal or mesenteric vein thrombosis in the absence of any contraindication. (mdcalc.com)
  • We suggest at least 6 months of anticoagulation in patients with portal or mesenteric vein thrombosis without a demonstrable thrombophilia and when the etiology of the thrombosis is reversible. (mdcalc.com)
  • Indefinite anticoagulation is recommended in patients with portal or mesenteric vein thrombosis and thrombophilia. (mdcalc.com)
  • We recommend anticoagulation for patients with (i) acute complete main PVT, (ii) MVT, or (iii) extension of portal venous thrombosis into mesenteric veins. (mdcalc.com)
  • Anticoagulation is continued beyond this period in patients with portal or mesenteric vein thrombosis who are on the waiting list for liver transplant. (mdcalc.com)
  • We recommend nonselective beta-blockers for prevention of variceal bleeding in patients with high-risk varices and portal and/or mesenteric vein thrombosis requiring anticoagulation. (mdcalc.com)
  • Persistent hematuria can precipitate renal vein thrombosis 4 . (radiopaedia.org)
  • Portal vein thrombosis has been reported in patients with chronic liver disease, and thromboembolic events (arterial and venous) have been reported in patients with chronic immune thrombocytopenia treated with TPO receptor agonists. (reachmd.com)
  • I'd like to welcome you to today's COCA Call: Johnson and Johnson Janssen COVID-19 Vaccine and Cerebral Venous Sinus Thrombosis with Thrombocytopenia -- Update for Clinicians on Early Detection and Treatment. (cdc.gov)
  • Today I'll be discussing some background on the CVST situation and then move into a description of the reports of cerebral venous sinus thrombosis with thrombocytopenia following the Janssen COVID-19 vaccine. (cdc.gov)
  • In these cases, a type of blood clot called cerebral venous sinus thrombosis (CVST) was seen in combination with low levels of blood platelets (thrombocytopenia). (cdc.gov)
  • two patients were also diagnosed with splanchnic* and portal vein thrombosis. (cdc.gov)
  • Non-genetic and genetic risk factors for adult cerebral venous thrombosis. (cdc.gov)
  • Lemierre's syndrome was defined as a positive blood culture with F. necrophorum, a preceding oropharyngeal infection, and a radiologically confirmed diagnosis of neck venous thrombosis or signs of septic pulmonary embolism. (lu.se)
  • The incidence rates for recurrent venous thromboembolism (VTE), major bleeding, and mortality were 5.3, 4.4, and 13.0 per 100 patient-years, respectively. (universimed.com)
  • Venous thromboembolism (VTE) is the most common condition associated with hypercoagulable disorders, with blood clots most frequently forming in the deep veins of the legs (DVT) causing redness, pain and swelling particularly at the back of legs. (labtestsonline.org.uk)
  • Risk factors for venous thromboembolism (VTE) recurrences in Thai patients without cancer. (cdc.gov)
  • This can be done as an outpatient, where a radiologist will access one of your veins, usually via internal jugular vein. (hopkinsmedicine.org)
  • Under local anesthesia and ultrasound guidance, a catheter introducer sheath is placed in the right internal jugular vein. (jove.com)
  • Since Lemierre's syndrome occurs after an oropharyngeal infection with the development and subsequent embolization of septic thrombophlebitis of the internal jugular vein, it could also be considered an endovascular infection, similar to infective endocarditis. (lu.se)
  • The development of collateral circulation, with its attendant risk of variceal hemorrhage, is responsible for most of the complications and is the most common manifestation of portal vein obstruction. (medscape.com)
  • In extreme cases, these swollen vein can rupture and bleed, thereby causing life-threatening complications. (sbwire.com)
  • In severe cases, these swollen vein can rupture and bleed, thereby leading to potentially life-threatening complications. (sbwire.com)
  • Patients with cirrhosis are at risk for developing complications mostly related to portal hypertension (PHT), such as ascites or bleeding from gastric or esophageal varices 1 , 2 , 3 . (jove.com)
  • The portal vein forms at the junction of the splenic vein and the superior mesenteric vein behind the pancreatic head, and it can become thrombosed or obstructed at any point along its course. (medscape.com)
  • This is called portal hypertension. (medlineplus.gov)
  • After DSRS surgery, bleeding is controlled in most people with portal hypertension. (medlineplus.gov)
  • Weeks SR, Ottmann SE, Orloff MS. Portal hypertension: role of shunting procedures. (medlineplus.gov)
  • The other sequelae of the subsequent portal hypertension, such as ascites, are less frequent. (medscape.com)
  • Portal hypertension is elevated pressure in your portal venous system. (hopkinsmedicine.org)
  • The most common cause of portal hypertension is cirrhosis (scarring) of the liver. (hopkinsmedicine.org)
  • If you have an advanced liver disease, such as cirrhosis, you have an increased risk of developing portal hypertension. (hopkinsmedicine.org)
  • Gastrointestinal bleeding: You may notice blood in the stools, or you may vomit blood if any large vessels around your stomach that developed due to portal hypertension rupture. (hopkinsmedicine.org)
  • There are a number of ways to diagnose portal hypertension. (hopkinsmedicine.org)
  • An imaging study helps in the diagnosis of cirrhosis and portal hypertension. (hopkinsmedicine.org)
  • Endoscopy is another way to diagnose varices, which are large vessels associated with portal hypertension. (hopkinsmedicine.org)
  • Varices are varicose veins associated with portal hypertension. (hopkinsmedicine.org)
  • Varices most often occur in the esophagus or stomach as a result of portal hypertension. (hopkinsmedicine.org)
  • Acute bleeding from varices in patients with portal hypertension requires immediate attention in order to control the bleeding and prevent it from recurring. (hopkinsmedicine.org)
  • Hepatic encephalopathy is impairment in neuropsychiatric function associated with portal hypertension. (hopkinsmedicine.org)
  • Patients needing TIPS typically have portal hypertension, increased pressure in the portal vein system. (baycare.org)
  • Pressure is gauged in the hepatic vein and the heart to look for hypertension and other conditions. (baycare.org)
  • 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)
  • Portal hypertension can have prehepatic, intrahepatic, or posthepatic causes. (medscape.com)
  • Paracentesis is essential in determining whether ascites is caused by portal hypertension or by another process. (medscape.com)
  • At present, treatment options for portal hypertension is limited due to the dearth of approval of specialized drugs. (sbwire.com)
  • In the near future, the portal hypertension market is primed to grow at a healthy clip due to the spike in liver cirrhosis, which may cause portal hypertension and other hepatic disorders. (sbwire.com)
  • Portal hypertension results in increase of blood pressure within the portal venous system. (sbwire.com)
  • As far as diagnosis is concerned, Duplex Doppler ultrasonography has been seeing robust demand on being the current available imaging technique applied for diagnosing portal hypertension. (sbwire.com)
  • Noteworthy names operating in the global portal hypertension market are Ono Pharmaceutical Co., Ltd., Dong-A Socio Holdings Co Ltd., Novartis AG, United Therapeutics Corporation, Genextra S.p.a. (sbwire.com)
  • Portal hypertension is a clinical condition in which blood pressure within the portal venous system increases. (sbwire.com)
  • Hence a rising incidence of liver cirrhosis is often related to the increasing demand for effective treatment for portal hypertension. (sbwire.com)
  • In this report, TMR Research not only evaluates opportunities prevalent for the available treatment and diagnosis techniques for portal hypertension but also presents a detailed assessment of therapeutic pipeline. (sbwire.com)
  • The report thus compiles data aimed at providing a comprehensive overview of the global portal hypertension market to the readers. (sbwire.com)
  • Duplex Doppler ultrasonography has been witnessing significantly high demand on being the current available imaging technique applied for diagnosing portal hypertension. (sbwire.com)
  • The currently available treatment for portal hypertension includes medications comprising beta blockers such as Propranolol and Nadolol and endoscopic therapies such as sclerotherapy and banding. (sbwire.com)
  • Vasoactive agents are also preferred in the treatment of portal hypertension due to its ability of reducing the in-variceal bleeding and ultimately helping to lower the blood pressure. (sbwire.com)
  • In acute conditions vasoconstrictors such as octreotide and somastostatin are administered, which explains their high demand in the global portal hypertension market. (sbwire.com)
  • The global market for portal hypertension currently has a limited number of treatment options and there is absence of a specialized drugs approved to be administered for the treatment of portal hypertension. (sbwire.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)
  • The difference between FHVP and WHVP is referred to as HVPG, with values ≥10 mm Hg indicating clinically significant portal hypertension (CSPH). (jove.com)
  • 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)
  • An HVPG of ≥6 mm Hg to 9 mm Hg indicates elevated portal pressure ('subclinical portal hypertension'), while an HVPG ≥10 mm Hg defines CSPH. (jove.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)
  • This can lead to renal venous hypertension, resulting in the rupture of thin-walled veins into the collecting system with resultant hematuria . (radiopaedia.org)
  • What Is Portal Hypertension? (hdkino.org)
  • Home breast cancer What Is Portal Hypertension? (hdkino.org)
  • Portal hypertension occurs when blood flow through the liver is obstructed. (hdkino.org)
  • Portal hypertension describes elevated pressure within the portal system, including the portal vein and the tributary veins that drain into it. (hdkino.org)
  • It is the onset of symptoms associated with liver disease that might cause the health care professional to look for the presence of portal hypertension . (hdkino.org)
  • Portal hypertension occurs when there is an obstruction of blood flow through the liver, and pressure rises within the portal vein. (hdkino.org)
  • Intrahepatic causes of portal hypertension include cirrhosis and hepatic fibrosis or scarring. (hdkino.org)
  • A wide variety of illnesses are implicated as the cause of portal hypertension. (hdkino.org)
  • The short arrow indicates the tumor thrombus with an abrupt cut off of the portal vein. (medscape.com)
  • PMVT was defined as thrombus within the portal, hepatic or superior mesenteric veins. (sages.org)
  • Transjugular portography demonstrates extensive portal vein thrombus in the whole-liver allograft of a 40-year-old woman whose clinical condition rapidly deteriorated on postoperative day 39. (medscape.com)
  • At follow-up, (F) noncontrast-enhanced, (G) arterial phase, and (H) portal venous phase CT images acquired at day 70 after surgery show multifocal intrahepatic recurrence and tumor thrombus in the left portal vein (black arrow, H). Images and caption courtesy of the RSNA. (auntminnie.com)
  • Contrast-enhanced CT or MRI scan is recommended to assess the extension of thrombus into the mesenteric veins and to exclude tumor thrombus among patients with cirrhosis who develop new portal and/or mesenteric vein thrombus. (mdcalc.com)
  • We suggest anticoagulation for patients with chronic PVT if there is (i) evidence of inherited or acquired thrombophilia, (ii) progression of thrombus into the mesenteric veins, or (iii) current or previous evidence of bowel ischemia. (mdcalc.com)
  • The hepatic veins then carry the blood away from the liver and into the inferior vena cava, which leads to the right atrium, one of the four chambers of the heart. (mountsinai.org)
  • The vena cava and portal vein are primarily affected. (vin.com)
  • Compression of the vena cava reduces venous blood return to the heart. (vin.com)
  • The hepatic veins carry oxygen-depleted blood from the liver to the inferior vena cava. (healthline.com)
  • Diagram of hepatic venous drainage depicts the small veins that drain from the caudate lobe and adjacent part of the right lobe directly into the inferior vena cava. (medscape.com)
  • Using fluoroscopic guidance, a balloon catheter is advanced into the inferior vena cava (IVC) and inserted into a large hepatic vein. (jove.com)
  • From there, blood makes its way to the vena cava, the largest vein in the body to return to the heart . (hdkino.org)
  • Blood samples and four blood vessels, the aorta, superior vena cava, pulmonary vein and pulmonary artery, were obtained from 11 slaughtered sheep. (who.int)
  • This venous drainage does not enter the portal vein instantly but seems to have its own portal venous pathway to the liver parenchyma. (ehd.org)
  • The esophageal veins drain blood from the esophagus to the azygos vein, in the thorax, and to the inferior thyroid vein in the neck. (wikipedia.org)
  • A cadaveric study of 150 hemi-pelvises found the obturator vein to be the most inferior structure of the obturator neurovascular bundle in 47% of specimens 2 . (radiopaedia.org)
  • Budd-Chiari syndrome (BCS) is a rare disease that is characterized by hepatic venous outflow tract obstruction (HVOTO), with an estimated incidence of 0.87 per million population per year. (medscape.com)
  • Thus, it may be a primary venous problem or an intra/extrahepatic space-occupying lesion compressing/invading the venous outflow. (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)
  • A Doppler ultrasound uses sound waves to see how the blood flows through your portal vein. (hopkinsmedicine.org)
  • Doppler findings showed that peak maximum velocity, peak minimum velocity, mean flow velocity, portal vein pulsatility index of portal vein, and hepatic artery resistivity index were significantly lower in non-alcoholic fatty liver disease patients than in healthy people. (springeropen.com)
  • Duplex Doppler ultrasonography (US) is an important non-invasive method in evaluating hepatic vasculature and diagnosing some liver parenchymal diseases [ 7 ] as diffuse fatty infiltration in the liver alters hemodynamics in the portal vein as well as hepatic artery resistance [ 8 ]. (springeropen.com)
  • The effects of graded occlusion of the portal vein upon hepatic arterial blood flow were studied in anesthetized dogs to evaluate the so-called "reciprocal relationship" between portal venous flow and hepatic arterial flow in maintaining oxygenation of the liver. (unboundmedicine.com)
  • An obstruction that increased portal venous pressure to 20 mm Hg was accompanied by a transient increase in hepatic arterial blood flow without changing the other hemodynamic parameters. (unboundmedicine.com)
  • Release of portal venous occlusion was accompanied by a transient fall in hepatic arterial blood flow in this group of experiments. (unboundmedicine.com)
  • Increasing portal venous pressure to 30 mm Hg caused a gradual but progressive fall in arterial pressure accompanied by a significant fall in hepatic arterial blood flow. (unboundmedicine.com)
  • With complete obstruction of the portal vein there is a reduction in arterial pressure to the same level of portal venous pressure and a significant and sustained diminution in hepatic arterial blood flow. (unboundmedicine.com)
  • These observations conflict with previously described theories of a relationship between diminution in portal venous flow and increases in hepatic arterial blood flow. (unboundmedicine.com)
  • Alan Cherrington (Nashville, TN) described a series of studies of peripheral and hepatic arterial and portal vein flow measurement and sampling that allowed for the assessment of hepatic glucose balance and effects of glucagon-like peptide (GLP)-1. (diabetesjournals.org)
  • In cirrhosis and hepatic malignancies, the thromboses usually begin intrahepatically and spread to the extrahepatic portal vein. (medscape.com)
  • Portal vein obstruction does not affect the liver function unless the patient has an underlying liver disease such as cirrhosis. (medscape.com)
  • In patients with cirrhosis, most often the bleeding is related to esophageal varices, which are enlarged veins in your esophagus. (hopkinsmedicine.org)
  • We suggest 6 months of anticoagulation in patients with cirrhosis and acute portal or MVT. (mdcalc.com)
  • Using X-rays, your doctor will move the catheter toward the liver and into a hepatic vein. (baycare.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)
  • A catheter is maneuvered into the enlarged collateral vein(s) draining the portal venous system, and the collateral veins (varices or shunts) are blocked using coils, gelfoam, or other agents. (uclahealth.org)
  • Prevention of bacteriemia related to venous catheter. (1library.co)
  • As bacteria proliferate and more gas is produced, the intraluminal gas may dissect into the necrotic wall (pneumatosis intestinalis), spread through the mesenteric veins, and finally flow into the portal veins (Fig. 7A , 7B ). (ajronline.org)
  • TY - JOUR T1 - Hemodynamics of experimental portal venous occlusion in dogs. (unboundmedicine.com)
  • The veins tend to be spared in hepatic venous occlusion in patients with Budd-Chiari syndrome, giving rise to hypertrophy of the caudate lobe and adjacent part of the right lobe. (medscape.com)
  • tinal lymphatic and venous vessels and usually as a result of intestinal occlusion, The day after admission the patient through the portal vein reach the right and it contributes to infant malnutri- underwent cholecystectomy, cholan- heart, pulmonary circulation and the tion [ 2 ]. (who.int)
  • The condition may lead to the development of swollen veins within stomach, esophagus, umbilical area, or rectum. (sbwire.com)
  • RESULTS: The VAP system was successfully used for the intraoperative measurement of portal blood pressure, the administration of cell suspensions, and the collection of portal venous blood samples. (uu.nl)
  • CONCLUSIONS: This pilot study suggests that the VAP system is an effective and safe technique to obtain long term access to the portal venous system in dogs. (uu.nl)
  • They are noninvasive and can give your doctor a detailed image of your portal venous system. (hopkinsmedicine.org)
  • Basic Anatomy and Physiology of the Portal Venous System CME Vital describes the basic anatomy and physiology of the Portal Venous System. (gcus.com)
  • The portal vein system carries blood from the digestive organs to the liver. (baycare.org)
  • 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)
  • As opposed to other organs in the body, the majority of this blood supply (75%) comes from the venous system through the portal system. (hdkino.org)
  • The pressure within the portal system is not normally measured and is not an issue except if an illness or disease occurs that makes it difficult for blood to flow through the liver tissue. (hdkino.org)
  • This damming effect increases pressure within the portal venous system and causes potential problems with liver function . (hdkino.org)
  • Patients with liver disease often suffer from high pressure in the portal venous system. (uclahealth.org)
  • Pylephlebitis is a rare complication associated with an intra-abdominal septic process in the portal venous system. (sciedupress.com)
  • on liver regeneration and implanted in the canine portal vein to create direct access to the portal venous circulation of the liver. (uu.nl)
  • The contribution of the arterial versus venous circulation to edema formation and peritoneal fluid accumulation is poorly understood. (bvsalud.org)
  • A) The mass (asterisks, A-E) shows mild-to-moderate hyperintensity on T2-weighted images, (B) hypointensity on T1-weighted noncontrast-enhanced images, (C) less than 50% hyperenhancement on late arterial phase images, (D) nonperipheral washout and incomplete enhancing capsule on portal venous phase images, and (E) marked diffusion restriction on diffusion-weighted images (b = 800 sec/mm 2 ). (auntminnie.com)
  • The possibility of HEHE should be considered to avoid misdiagnosis, such as when a sign of arterial-phase peripheral nodular hyperenhancement filling internally with washout in the portal and late venous phases, arterial phase marginal ring enhancement, entailing hypoenhancement in the portal and late venous phases, or 'reverse target sign' are presented. (spandidos-publications.com)
  • During DSRS, the vein from your spleen is removed from the portal vein. (medlineplus.gov)
  • The portal vein brings blood from the intestine, spleen, pancreas, and gallbladder to the liver. (medlineplus.gov)
  • In the English literature, portal vein obstruction was first reported in 1868 by Balfour and Stewart, who described a patient presenting with an enlarged spleen, ascites, and variceal dilatation. (medscape.com)
  • The hepatic portal vein is a vessel that moves blood from the spleen and gastrointestinal tract to the liver. (healthline.com)
  • Blood vessels from the stomach, small intestine, pancreas, and spleen converge and form the portal vein delivering nutrients and chemical building blocks to the liver. (hdkino.org)
  • These veins are often within the lining of the stomach (gastric varices) or lead from the spleen to the veins draining the kidney (splenorenal shunt). (uclahealth.org)
  • It also drains, although with less significance, to the hemiazygos vein, posterior intercostal vein and bronchial veins. (wikipedia.org)
  • Nutcracker syndrome is a vascular compression disorder that refers to the compression of the left renal vein, most commonly between the superior mesenteric artery (SMA) and aorta , although other variations can exist 1 . (radiopaedia.org)
  • The high pressure can result in enlargement of collateral veins which offload the elevated pressure. (uclahealth.org)
  • Neoplasms are another major cause, accounting for 21-24% of cases of portal vein obstruction, with hepatocellular carcinoma and pancreatic carcinoma causing most of these cases. (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)
  • As the portal blood is rerouted due to the increased resistance, varices develop. (hopkinsmedicine.org)
  • 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)
  • Conversely, when glucose was infused peripherally versus in the portal vein at 2.5 mg · kg −1 · min −1 , arterial glucose levels were identical but there was a rapid drop from hepatic glucose output to uptake with portal delivery, whereas a much slower fall was seen in hepatic glucose output occurring with peripheral delivery, with consequent lack of increased peripheral glucose uptake following intraportal administration. (diabetesjournals.org)
  • This is not due to lower peripheral insulin levels, as these tended to be somewhat higher after portal glucose administration, suggesting alternative mechanisms, potentially including the incretin effect and neurally mediated metabolic signals. (diabetesjournals.org)
  • The vein is then attached to the vein to your left kidney. (medlineplus.gov)
  • BACKGROUND: Vascular access port (VAP) systems are widely used in human medicine to provide long-term venous access. (uu.nl)
  • Vascular malformation embolization is utilized to permanently block blood flow to arteriovenous malformations (AVM) and venous malformations in all parts of the body. (moffitt.org)
  • Because of their rich vascular supply, highly sensitive location, and tendency to engorge and prolapse, hemorrhoidal venous cushions are common causes of anal pathology. (medscape.com)
  • The purpose of the present study as to evaluate the effect of changes in intravascular pressure and the inflammatory mediator bradykinin on rat mesenteric arterial and venous vascular permeability. (bvsalud.org)
  • the abdominal fluid accumulation related to bowel inflammatory disease is more likely to be secondary to venous, as opposed to arterial vascular leakage. (bvsalud.org)
  • An interventional radiologist may perform a pressure measurement study to evaluate the level of pressure in the hepatic (liver) vein. (hopkinsmedicine.org)
  • An interventional radiologist begins by accessing a vein in the neck or groin. (uclahealth.org)
  • Calcification within a thrombosed hepatic vein is unusual. (medscape.com)
  • In the absence of clinical symptoms, renal vein compression is referred to as nutcracker phenomenon or nutcracker anatomy, which can be a more common situation. (radiopaedia.org)
  • None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. (who.int)
  • Research interests include regional management of hepatic malignancy, hepatic artery embolization/chemoembolization, TheraSphere therapy for hepatic tumors, portal vein embolization as an adjunct to hepatic resection, pharmacology of hepatic artery chemotherapy, FUDR-associated sclerosing cholangitis, venous sampling to localize endocrine neoplasms, and management of complex biliary disease. (mayo.edu)
  • A distal splenorenal shunt (DSRS) is a type of surgery done to relieve extra pressure in the portal vein. (medlineplus.gov)
  • 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)
  • in 35.9%, the superior mesenteric vein was resected and in the other 12.8%, the splenomesenteric junction. (bvsalud.org)
  • It is defined as thrombophlebitis of the portal vein and is often reported in association with appendicitis and diverticulitis. (sciedupress.com)
  • An elevated arterial or free venous serum ammonia level is the classic laboratory abnormality reported in patients with hepatic encephalopathy. (medscape.com)
  • Le présent article décrit les manifestations cliniques, le diagnostic et la prise en charge de la schistosomiase médullaire chez cinq patients admis dans les hôpitaux Shaab et Ibn Khaldoun de Khartoum entre 1997 et 2007. (who.int)
  • When blood flow is blocked, the pressure in this vein becomes too high. (medlineplus.gov)
  • After calibrating the external pressure transducer, continuous pressure recordings are obtained with triplicate recordings of the wedged hepatic venous pressure (WHVP) and free hepatic venous pressure (FHVP). (jove.com)
  • If sufficient volume is given (1-2 L) to lower a significantly prolonged INR, volume expansion increases portal pressure and may trigger variceal hemorrhage. (mdcalc.com)
  • The portal phase showed hypoenhancement, slightly higher in the interior than at the periphery ( Fig. 2B ), no enhancement in the late venous phase and showed 'fast-forward and fast-out' ( Fig. 2C ). (spandidos-publications.com)
  • Contrast enhancement is evaluated on the late arterial, portal venous and delayed dynamic phases. (oncologynurseadvisor.com)
  • Portal vein calcification is typically linear or strandlike and lies transversely across the upper abdomen or slopes upward and obliquely toward the liver hilum. (medscape.com)
  • Reduction of portal flow and increase in hepatic artery flow in fatty liver correlates with disease severity and can help as a non-invasive measure in diagnosis and grading of non-alcoholic fatty liver disease. (springeropen.com)