• Acute flow-mediated dilation, measured via pressure myography, was dramatically diminished and outward remodeling induced by in vivo chronic increased shear stress was altered in the mesenteric resistance arteries isolated from Entpd1-/- mice compared to wild-types. (bvsalud.org)
  • Some of the treatments we offer include angiography (used to evaluate arteries and veins for abnormalities such as tumors or bleeding), embolization (used to cut off the blood supply to bleeding or abnormal vessels), and stent placement to repair abnormally large vessels (aneurysms) or closed vessels that need to be reopened. (denverhealth.org)
  • A catheter is inserted through a tiny incision in the groin and threaded through the arteries to a blood vessel in the liver. (oginski-law.com)
  • Next, arterial flow will be established by re-connecting the hepatic arteries using 7-0 Prolene. (cstsetup.com)
  • Contrast-enhanced axial CT images show several narrowings of the common and proper hepatic arteries with intervening aneurysmal dilatation. (medscape.com)
  • APSSs are aberrant vascular communications between the portal vein and systemic veins, usually the caudal vena cava. (msdvetmanual.com)
  • Interventional Radiologists also remove blood clots and can treat veins in your legs that cause pain and swelling. (denverhealth.org)
  • The primary venous drainage of the liver is through three large hepatic veins that enter the inferior vena cava adjacent to the diaphragm. (medscape.com)
  • The middle and left hepatic veins enter the inferior vena cava through a single orifice in about 60% of individuals. (medscape.com)
  • In addition, there are 10-50 small hepatic veins that drain directly into the vena cava. (medscape.com)
  • and right, middle, and left hepatic veins in the portal phase with and without vasodilators. (tottori-u.ac.jp)
  • Blood leaves the liver through the hepatic veins, which drain into the inferior vena cava. (clinicalgate.com)
  • Blood flowing through the vascular sinusoids drains into hepatic vein branches (central veins or terminal hepatic venules). (clinicalgate.com)
  • Battista S, Bar F, Mengozzi G, Zanon E, Grosso M, Molino G: Hyperdynamic circulation in patients with cirrhosis: direct measurement of nitric oxide levels in hepatic and portal veins. (karger.com)
  • The surgeon will first connect the vena cava and portal veins using 3-0 and 4-0 Prolene. (cstsetup.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)
  • We can also perform cancer treatments either by delivering chemotherapy or radiation directly to tumors through the blood vessels or by applying thermal energy (either hot or cold) directly to tumors using probes placed through the skin. (denverhealth.org)
  • COnfidence Flowprobes® provide highly accurate measurements in vessels with fluctuating flows such as the portal vein. (transonic.com)
  • Side effects of embolization include abdominal pain, fever nausea, infection in the liver, gallbladder inflammation, and blood clots in the main blood vessels of the liver. (oginski-law.com)
  • And it is believed that the preoperative chemotherapy can realize the cytotoxic drugs to access to the tumor through the complete tumor blood vessels, thus avoiding the reduction of the concentration of chemotherapeutic drugs in the residual tumor tissues due to the destruction of tumor blood vessels after surgery. (abdominalkey.com)
  • Morales-Ruiz M, Jiménez W, Pérez-Sala D, Ros J, Leivas A, Lamas S, Rivera F, Arroyo V: Increased nitric oxide synthase expression in arterial vessels of cirrhotic rats with ascites. (karger.com)
  • Coded phase inversion harmonic ultrasonography, a newly available sonographic technique, enables visualisation of slow flow in minute vessels in a real time fashion with the use of a sonographic contrast agent containing monosaccharide. (bmj.com)
  • 10- 15 With the use of a microbubble contrast agent (a suspension of monosaccharide microparticles in sterile water), it depicts signals from microbubbles in very slow flow without Doppler related artefacts, and enables visualisation of slow flow in microscopic vessels. (bmj.com)
  • The pericardial cavity, the oesophagus, and the blood vessels are all housed in the mediastinum, the space between the two pleural cavities. (microbiologynote.com)
  • Computed Tomography Angiography (CTA) is an imaging technique that combines injection of contrast material into the blood vessel with a CT scanner to produce cross-sectional pictures of soft tissue, skeletal anatomy, and vascular frames. (hindawi.com)
  • the first ends within the portal tract through the peribiliary vascular plexus (PBP). (springer.com)
  • 8-14mm FMV Vascular Handle Flowprobes are recommended for spot-check portal venous flow measurements during islet cell infusion. (transonic.com)
  • These are arranged in plates one cell thick, bordering the vascular sinusoids through which flows hepatic arterial and portal venous blood. (clinicalgate.com)
  • The blood flowing through the vascular sinusoids is separated from the liver cells by a thin fenestrated (porous) barrier of cells ( endothelial cells and phagocytic Kupffer cells ) and the space of Disse . (clinicalgate.com)
  • Hepatic perfusion imaging can be used for monitoring the response of anti-angiogenic therapy and depends predominantly on the vascular burden of the tumor. (oncologynurseadvisor.com)
  • These values reflect the flow of contrast between the extracellular and intracellular compartments, thus indicating tumoral blood flow and vascular permeability. (oncologynurseadvisor.com)
  • In liver cirrhosis, portal hypertension is a consequence of enhanced intrahepatic vascular resistance and portal blood flow. (karger.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)
  • Hepatic fibrosis is overly exuberant wound healing in which excessive connective tissue builds up in the liver. (msdmanuals.com)
  • Fibrosis itself causes no symptoms but can lead to portal hypertension (the scarring distorts blood flow through the liver) or cirrhosis (the scarring results in disruption of normal hepatic architecture and liver dysfunction). (msdmanuals.com)
  • Progressive hepatic fibrosis is the eventual cause of liver cirrhosis. (biomedcentral.com)
  • Doppler Ultrasound could be reliably used to assess the hepatic function reserve and hemodynamic changes in different stages of liver fibrosis. (biomedcentral.com)
  • Thus assessment of hepatic functional reserve in patients with fibrosis is critical for predicting its prognosis and preventing postoperative liver failure. (biomedcentral.com)
  • The common bile duct gives off the cystic duct and becomes the hepatic duct. (medscape.com)
  • The surgery involves carefully detaching and reattaching important structures like the vena cava, portal vein, hepatic artery, and common bile duct, using specialized surgical instruments and techniques. (cstsetup.com)
  • To detach the liver from surrounding tissue and liver attachments, the surgeon will isolate and transect important structures like the inferior vena cava, portal vein, hepatic artery, and common bile duct. (cstsetup.com)
  • Drug-eluting beads trans-arterial chemoembolization for leiomyosarcoma, liver metastases from colorectal cancer, and for primary and liver-dominant metastatic disease of the liver. (aetna.com)
  • This process is called trans-arterial chemoembolization. (oginski-law.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)
  • The hepatic artery supplies 30% of the blood flow to the normal liver parenchyma but greater than 90% to hepatic tumors, including both HCC and metastatic lesions. (medscape.com)
  • Regarding malignant hepatic lesions, CEUS plays an important role in the detection of metastases, with an accuracy similar to that of CT [ 1 , 9 - 11 ]. (e-ultrasonography.org)
  • It also has good sensitivity and specificity in the evaluation of malignant lesions, such as hepatocellular carcinoma (HCC), intrahepatic cholangiocellular carcinoma (ICC), and malignant portal vein thrombosis [ 10 , 12 - 14 ]. (e-ultrasonography.org)
  • In cirrhosis and hepatic malignancies, the thromboses usually begin intrahepatically and spread to the extrahepatic portal vein. (medscape.com)
  • The global resistance to hepatic blood flow produced by cirrhosis is a common cause. (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 adults, cirrhosis is the major etiology, accounting for 24-32% of cases of portal vein thrombosis. (medscape.com)
  • Decreased portal vein flow velocity and reversal of the flow direction is seen in the terminal stage of hepatic cirrhosis and a few other conditions such as hepatic sinusoidal obstruction (hepatic veno-occlusive disease), arterioportal fistula, extrahepatic portal vein thrombosis, and hepatic venous outflow obstruction ( 6 ). (cdc.gov)
  • 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 ultrasonograph on the second day after admission showed totally reversed direction of portal venous blood flow away from the liver ( Figure , panel A), becoming bidirectional on the following day and, finally, reverting to normal direction (although with low velocity) 3 days later ( Figure , panel B). Despite improved hemodynamic status, progressive encephalopathy and gastrointestinal bleeding developed and were unresponsive to treatment. (cdc.gov)
  • 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)
  • Findings on physical examination in hepatic encephalopathy include asterixis and fetor hepaticus. (medscape.com)
  • An elevated arterial or free venous serum ammonia level is the classic laboratory abnormality reported in patients with hepatic encephalopathy. (medscape.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)
  • 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)
  • The portal vein is confluence of the splenic vein and the superior mesenteric vein, which drain the intestines, pancreas, stomach, and spleen. (medscape.com)
  • Typically, 800-1500cc of solution are infused into the portal vein, distal to the splenic vein (Fig. 2) over an extended period of time. (transonic.com)
  • Doppler measurements were performed in the portal trunk, proper hepatic artery and proper splenic artery. (biomedcentral.com)
  • The hepatic artery is generally derived from the celiac axis, which originates on the ventral aorta at the level of the diaphragm. (medscape.com)
  • Common variations include a replaced right hepatic artery, which originates from the superior mesenteric artery, a replaced left hepatic artery, which is derived from the left gastric artery, or a completely replaced common hepatic artery, which can originate from the superior mesenteric artery or the aorta. (medscape.com)
  • With modern PET scanners the image resolution is good enough for using the blood TAC from small ROI drawn into abdominal aorta without any correction for partial volume effect . (turkupetcentre.net)
  • Delay correction may not be needed for arterial input that is extracted from abdominal aorta , but for the portal vein input estimation the delay is an important parameter. (turkupetcentre.net)
  • Six Polled Dorset ewes (37 ñ 4 kg) fitted with hepatic venous, hepatic portal, abdominal aorta, and mesenteric venous catheters were used in a replicated 3 x 3 Latin square design. (usda.gov)
  • Furthermore, it increased blood flow in the portal vein but not in the aorta and hepatic artery. (maastrichtuniversity.nl)
  • 83,84 In either modality, the scan should include the main portal vein, aorta and the region of interest (HCC under therapy in our case). (oncologynurseadvisor.com)
  • Hepatocellular carcinoma with portal vein thrombosis. (medscape.com)
  • 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)
  • Traditional hepatic function tests including indicators for hepatocellular injury (aminotransferase levels), biliary tract injury (alkaline phosphatase, gamma glutamyl transpeptidase, and total bilirubin), and functional synthesis (albumin, urea, glucose, and prothrombin time) are routinely checked in patients on HD [ 1 ]. (hindawi.com)
  • Nevertheless, hepatocellular function is remarkably well preserved, and portal hypertension rarely develops. (msdmanuals.com)
  • Aetna considers percutaneous ethanol injection (PEI) medically necessary for the treatment of hepatocellular cancers (HCC) without extra-hepatic spread. (aetna.com)
  • To clarify the hemodynamic changes under balloon occlusion of the hepatic artery and to identify predictors of the short-term therapeutic effect (TE) after balloon-occluded transcatheter arterial chemoembolization using miriplatin (B-TACE) for hepatocellular carcinoma (HCC). (springeropen.com)
  • Radioembolization with yittrium-90 (Y-90) is an established therapy for patients with hepatocellular carcinoma (HCC) and hepatic metastatic disease. (sirweb.org)
  • 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)
  • the latter is mainly used in Asia, and has high persistence in the liver, being specific for the hepatic parenchyma Kupffer phase [ 2 ]. (e-ultrasonography.org)
  • Historically performed in a lobar fashion, radiation changes from Y-90 can lead to atrophy of the embolized, radiated hepatic parenchyma and compensatory hypertrophy of the contralateral lobe. (sirweb.org)
  • The technical approach to radiation lobectomy has evolved from simple lobar administration of Y-90 to modified approaches that promote boost tumor doses while ensuring hepatic parenchyma radiation to promote the atrophy-hypertrophy complex. (sirweb.org)
  • 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)
  • Venous complications occur less often compared with arterial complications, and include thrombosis or stenosis of the portal vein, hepatic vein, or vena cava. (wikipedia.org)
  • The right hepatic vein is generally oval in shape, with its long axis in the line of the vena cava. (medscape.com)
  • Depending on surgeon preference, Crawford clamps may be used on the inferior vena cava, and mini DeBakey clamps on the portal vein. (cstsetup.com)
  • Aetna considers intra-hepatic chemotherapy (infusion) medically necessary for members with liver metastases from colorectal cancer. (aetna.com)
  • Intra-hepatic chemotherapy for other indications not listed above, including treatment of liver primaries or metastases from other primaries (e.g., breast) besides colorectal cancer. (aetna.com)
  • One-shot" arterial chemotherapy for members with liver metastases from colorectal cancer. (aetna.com)
  • In addition, 25% of patients with colorectal cancer die of hepatic failure secondary to the metastatic disease. (bcmj.org)
  • Rodríguez-Vilarrupla A, Fernández M, Bosch J, García-Pagán JC: Current concepts on the pathophysiology of portal hypertension. (karger.com)
  • Despite accumulating evidence regarding its mechanisms and potential therapeutic approaches, hepatic I/R is still a leading cause of organ dysfunction, morbidity, and resource utilization, especially in those patients with underlying parenchymal abnormali-ties. (123dok.net)
  • This review aims at giving the last updates regarding the role of hepatic I/R and liver parenchymal quality injury in the setting of oncological liver surgery, using a ''bench-to-bedside'' approach. (123dok.net)
  • Numerous preclinical models have depicted the impact of I/R injury and hepatic parenchymal quality (steatosis, age) on increased cancer growth in the injured liver. (123dok.net)
  • Ischemia-reperfusion (I/R) injury is a process whereby parenchymal damage caused by blood flow deprivation is accentuated upon organ reperfusion. (123dok.net)
  • the optimal hepatic parenchymal radiation dose to achieve FLR hypertrophy has not been rigorously studied. (sirweb.org)
  • Our study seeks to determine the mechanism driving the atrophy-hypertrophy complex by combining multiple imaging modalities (Y-90-PET imaging, quantitative MR perfusion imaging, 4D flow MRI and MR-elastography) and circulating biomarkers with hepatic parenchymal changes from core liver biopsies and surgical explants. (sirweb.org)
  • Subsequently, interval delay scanning (perfusion images) was taken to demonstrate parenchymal flow. (bmj.com)
  • Ultrasonograph images from patients with liver failure caused by acetaminophen poisoning or hepatitis B indicate increased portal vein flow and normal flow velocity to the damaged liver ( 5 ). (cdc.gov)
  • Hepatic infarction can occur when there is both hepatic arterial and portal vein flow compromise but most cases are due to acute portal venous flow compromise 11 . (radiopaedia.org)
  • Dubbed "radiation lobectomy," this technique has gained interest as an alternate approach to portal vein embolization (PVE) to facilitate surgical resection in patients with insufficient future liver remnants (FLR). (sirweb.org)
  • Abstract Hepatic ischemia/reperfusion (I/R) injury is a common clinical challenge. (123dok.net)
  • Hepatic Perfusion CT scan (pCT) includes a pre-contrast series followed by sequential scanning of the tumor in two phases: an early phase within 40-60 seconds from the time of contrast administration (30-60 mL of iodine-based contrast agent must be injected rate ≥5 mL/sec followed by 50 mL saline flush) and a delayed phase within 2-10 mins. (oncologynurseadvisor.com)
  • Perfusion CT CT perfusion imaging is a developing technique for quantitatively evaluating tissue blood perfusion [1]. (docksci.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)
  • Release of portal venous occlusion was accompanied by a transient fall in hepatic arterial blood flow in this group of experiments. (unboundmedicine.com)
  • The aim of the present study was to reveal the relationship between changes of arterial flow in HCC nodules under balloon occlusion and local TE by means of CTHA. (springeropen.com)
  • Bile duct cysts secondary to liver infarcts: report of a case and experimental production by small vessel hepatic artery occlusion. (radiopaedia.org)
  • Neovascular glaucoma is a secondary glaucoma occurring as a result of severely reduced blood flow to the eye as may be observed in central retinal vein occlusion or with severe diabetic retinopathy. (pharmacology2000.com)
  • Rarely, the thrombosis extends from the portal vein to the mesenteric arcades, leading to bowel ischemia and infarction. (medscape.com)
  • 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 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)
  • 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)
  • 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)
  • Bilirubin is a degradation product of heme compounds from worn-out red blood cells (RBCs) and is the pigment that gives bile its yellow-green color. (msdmanuals.com)
  • 1. Peterson IM, Neumann CH. Focal hepatic infarction with bile lake formation. (radiopaedia.org)
  • Bile formed by the liver cells is secreted from them into minute canaliculi which run along the centre of the liver cell plates to drain into the bile duct branches in the portal tracts. (clinicalgate.com)
  • Portal tracts display profiles of hepatic artery, portal vein, and bile duct. (msdvetmanual.com)
  • Tiny arterial branches extend to the bile ducts (peribiliary arterial plexus). (msdvetmanual.com)
  • Green shading in areas other than well-defined bile ducts reflects bile flow in canalicular and cholangiolar conduits. (msdvetmanual.com)
  • The long arrow points to a compensatory, prominent left hepatic arterial branch. (medscape.com)
  • [ 2 ] This is partially due to a rapid arterial buffer response, with compensatory increased flow of the hepatic artery, maintaining the total hepatic blood flow. (medscape.com)
  • The hepatic vein is most vulnerable to hypoxic or ischemic events receiving the last sinusoidal distribution of blood. (msdvetmanual.com)
  • Real-time imaging provided by CEUS also has advantages, including the detection of very early or transient arterial enhancement that may be missed in other methods such as CT and MRI. (e-ultrasonography.org)
  • A mode of action-based physiologi- cally based pharmacokinetic (PBPK) model was developed to predict the concentration of ST and SO in blood, liver, and the respiratory-tract tissues, particularly in terminal bron- chioles (target tisue), in order to conduct interspecies extrapolations and determine the extent to which there is a pharmacokinetic basis for the observed species specificity. (cdc.gov)
  • Intra-hepatic microspheres for metastases from esophageal cancer, gallbladder cancer, uveal melanom a, liver metastases of pancreatic adenocarcinoma, and other indications not listed above. (aetna.com)
  • Excising a diseased pancreas removes not only pancreatic cells that produce digestive enzymes but also Islet of Langerhans cells that produce insulin to control blood sugar. (transonic.com)
  • Contrast enhanced Doppler sonography has been proposed as a valuable technique for the diagnosis of hepatic and pancreatic tumours. (bmj.com)
  • On MRI imaging, regions of hepatic infarction appears as hypointense lesion on T1 imaging, with hyperintensity on T2 imaging 6 . (radiopaedia.org)
  • The patient was intubated and received intravenous fluid infusion, packed red blood cells, ceftriaxone, sodium bicarbonate, and ranitidine before being transferred to King Chulalongkorn Memorial Hospital in Bangkok. (cdc.gov)
  • Blood pressure and flow are monitored continuously and for 10 minutes after the infusion is completed (Fig. 1). (transonic.com)
  • Surgeons measure portal venous flow during islet cell infusion to detect any sudden decrease in flow that may foreshadow a problem. (transonic.com)
  • Whole-body appearance rates, portal-drained viscera (PDV), and liver fluxes of arginine, citrulline, NO, and arginine de novo synthesis were measured by using stable-isotope infusion of [(15)N(2)]arginine and [(13)C-(2)H(2)]citrulline. (maastrichtuniversity.nl)
  • The biliary anatomy of the liver generally follows hepatic arterial divisions. (medscape.com)
  • There is significant variation in the biliary anatomy, and thus, careful preoperative imaging is vital before any major hepatic resection. (medscape.com)
  • The other sequelae of the subsequent portal hypertension, such as ascites, are less frequent. (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)
  • APSSs reflect the physiologic adaptation for decompressing portal hypertension, providing a pathway of lesser resistance that mitigates portal pressure. (msdvetmanual.com)
  • Baveno VI Faculty: Expanding consensus in portal hypertension - report of the Baveno VI Consensus Workshop: stratifying risk and individualizing care for portal hypertension. (karger.com)
  • Hu LS, George J, Wang JH: Current concepts on the role of nitric oxide in portal hypertension. (karger.com)
  • Despite the availability of specific therapies targeting multiple pathways involved in the development and progression of pulmonary arterial hypertension (PAH), and the improved survival observed in PAH patients in recent years, it remains a progressive, devastating disease [ 1 ]. (ersjournals.com)
  • Doppler ultrasound has been used to detect hemodynamic changes that are known to be present during the pre-cirrhotic stages of hepatic fibrogenesis. (biomedcentral.com)
  • The principal studies used to establish the diagnosis of PNH are flow cytometry of peripheral blood and bone marrow analysis. (medscape.com)
  • Although 3D rebuilt or 3D printing technology designs may visually represent intrahepatic blood vessel changes, they also include an efficient and comfortable approach for liver volume estimation, virtual simulation operation, and operative guidance [ 9 ]. (hindawi.com)
  • This is the drainage area of intrahepatic metastasis and microsatellitosis (and therefore of the residual /relapse of the disease) which is often not reached by the chemotherapy mixture if injected in free flow during cTACE/DEM-TACE [ 17 , 18 ]. (springer.com)
  • The other major inflow vessel is the portal vein which carries 70-85% of the blood into the liver. (medscape.com)
  • K-trans is the most important parameter extracted from pMRI, which is independently affected by blood flow, vessel surface area, and vessel permeability. (oncologynurseadvisor.com)
  • Additional effects included a preserved mean arterial pressure, the prevention of an increase in pulmonary arterial pressure, an attenuated metabolic acidosis, and an attenuated increase in the intramucosal partial pressure of carbon dioxide. (maastrichtuniversity.nl)
  • The short arrow indicates the tumor thrombus with an abrupt cut off of the portal vein. (medscape.com)
  • The portal vein or its tributaries can be obstructed by adjacent tumor compression or invasion. (medscape.com)
  • Blocking the branch of the hepatic artery feeding the tumor helps kill off the cancer cells, however it leaves most of the healthy liver cells unharmed because they get their blood supply from the portal vein. (oginski-law.com)
  • The more blood flow the tumor gets, the more beads with radioactive particles get deposited into the tumor. (oginski-law.com)
  • Prevent the change of the postoperative tumor blood supply from affecting the chemotherapeutic effect. (abdominalkey.com)
  • Hepatic clearance of cefoperazone by cirrhotic patients is correlated with GSP values [ 11 ]. (hindawi.com)
  • Linear cords of hepatocytes are oriented radially surround the hepatic vein and extend to portal tracts. (msdvetmanual.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)
  • Portal venous pressure (PVP) was measured using the portal vein punctuation equipment. (biomedcentral.com)
  • We report a rare hepatic ultrasonograph finding for a patient with liver failure associated with dengue virus (DENV) infection. (cdc.gov)
  • When exposed to microcystins, humans are at risk of hepatic injury, including liver failure. (cdc.gov)
  • The objective was to determine net portal-drained viscera (PDV) and hepatic flux of nutrients when ewes consuming low-quality forage were supplemented with protein at 0, 24, or 72-h intervals. (usda.gov)
  • Net hepatic removal of AAN, ammonia N, and oxygen, and net hepatic release of urea N were greater (P (usda.gov)
  • The hepatic duct then divides into two or three additional ducts draining the liver. (medscape.com)
  • Since the metabolism of galactose is dependent on liver blood flow and hepatic functional mass, further studies are needed. (hindawi.com)
  • Quantitative tests of hepatic function are thought to assess the functional hepatic mass by measuring the blood flow-dependent hepatocyte function, such as indocyanine green (ICG) clearance. (biomedcentral.com)
  • causes associated with liver disease can be categorized according to cause as prehepatic, hepatic, or posthepatic. (msdvetmanual.com)
  • Despite stable blood pressure over the next 6 days, liver enzymes continued to rise with progressive jaundice ( Technical Appendix ). (cdc.gov)
  • Arterial concentrations of alpha-amino N (AAN) and ammonia N were lower (P (usda.gov)