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There are many different models of ports. The particular model selected is based on the patient's specific medical conditions. Portals: can be made of plastic, stainless steel, or titanium; can be single chamber or dual chamber; vary in height, width and shape. Catheters: can be made of biocompatible, medical-grade polyurethane or silicone
Portal hypertension, an important consequence of liver disease, results in the development of significant collateral circulation between the portal system and systemic venous drainage (porto-caval circulation). Portal venous congestion causes venous blood leaving the stomach and intestines to be diverted along auxiliary routes of lesser ...
Portal vein embolization (PVE) is a preoperative procedure performed in interventional radiology to initiate hypertrophy of the anticipated future liver remnant a couple weeks prior to a major liver resection procedure. The procedure involves injecting the right or left portal vein with embolic material to occlude portal blood flow.
Portal hypertension is commonly seen with liver cirrhosis and/or other liver diseases such as Budd–Chiari syndrome, primary biliary cirrhosis (PBC), and portal vein thrombosis. [2] The purpose of the shunt is to divert blood flow away from the liver, reducing the high pressure in the portal venous system and decreasing the risk of bleeding. [3]
Medical guideline, for a medical treatment Medical protocol, a set of rules followed by an emergency medical technician , nurse, physician, therapist, etc. Clinical protocol , a method in a clinical trial or medical research study
Ultrasonography (US) is the first-line imaging technique for the diagnosis and follow-up of portal hypertension because it is non-invasive, low-cost and can be performed on-site. [17] A dilated portal vein (diameter of greater than 13 or 15 mm) is a sign of portal hypertension, with a sensitivity estimated at 12.5% or 40%. [18]
Hepatic veno-occlusive disease (VOD) or veno-occlusive disease with immunodeficiency is a potentially life-threatening condition in which some of the small veins in the liver are obstructed. It is a complication of high-dose chemotherapy given before a bone marrow transplant or excessive exposure to hepatotoxic pyrrolizidine alkaloids .
Medicine is the science and practice of caring for patients, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness .