hepatic vein वाक्य
उदाहरण वाक्य
मोबाइल
- The lower group of from six to twenty smaller hepatic veins come from the right lobe and the caudate lobe, are in contact with the hepatic tissue, and are valveless.
- Then, a special needle known as a Colapinto is advanced through the liver parenchyma to connect the hepatic vein to the large portal vein, near the center of the liver.
- 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.
- 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.
- The shunt is completed by placing a special mesh tube known as a stent or endograft to maintain the tract between the higher-pressure portal vein and the lower-pressure hepatic vein.
- Another medical term named after Chiari is the Budd-Chiari syndrome, which is ascites and cirrhosis of the liver caused by an obstruction of the hepatic veins due to a blood clot.
- In the latter, the caudate shows preferential flow because its direct drainage into the inferior vena cava remains unobstructed, as opposed to the remnant liver which drains into the hepatic vein.
- As a consequence of the above, people with untreated polycythemia vera are at a risk of various heart attack and stroke, and have a substantial risk of Budd-Chiari syndrome ( hepatic vein thrombosis ), or myelofibrosis.
- The sign is similar in mechanism but distinct in significance from the " hot caudate sign ", in which the caudate lobe of the liver shows preferential enhancement or radiotracer accumulation with hepatic vein occlusion in Budd Chiari syndrome.
- Most blood returning from the digestive organs ( including from the area of distribution of the celiac artery ) is diverted to the liver via the portal venous system for further processing and detoxification in the liver before returning to the systemic circulation via the hepatic veins.
- The 16th and 17th centuries also witnessed significant advances in the understanding of the circulatory system, as the purpose of valves in veins was identified, the left-to-right ventricle flow of blood through the circulatory system was described, and the hepatic veins were identified as a separate portion of the circulatory system.
- There are four variants : Supracardiac ( 50 % ) : blood drains to one of the innominate veins ( brachiocephalic veins ) or the superior vena cava; Cardiac ( 20 % ), where blood drains into coronary sinus or directly into right atrium; Infradiaphragmatic ( 20 % ), where blood drains into portal or hepatic veins; and a mixed ( 10 % ) variant.
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