Category Archives: Definition

Definition: cold ischemic time

Cold ischemic time begins when the organ is taken from the donor cadaver and placed in solution for transport and ends after the tissue reaches physiological temperature during implantation procedures.  More than six hours of cold ischemic time puts the … Continue reading

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Definition: trisegmentectomy

The hepatic trisegmentectomy resects lesions like hepatocellular carcinoma by removing the entire right lobe in continuity with most or all of the medial segment of the left lobe.  For those with advanced portal hypertension, or evidence of liver insufficiency (ie. … Continue reading

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Definition: chylous ascites

Chylous ascites has a white color (triglyceride-rich) and many potential causes including cirrhosis, pancreatitis, tuberculosis, right heart failure, lymphoma or thoracic trauma.  The triglyceride level should be above 200 mg/dL and it may help to compare the level in ascites … Continue reading

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Definition: Ohm’s law and variceal bleeding

While Ohm’s law is usually applied to circuitry, it is also relevant to variceal bleeding where pressure equals flow x resistance.  The larger the radius and thinner the wall of the varix, the higher the chance for rupture and bleeding; this … Continue reading

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Definition: Western diet

The Western diet is low in fiber, but rich in red meat, saturated fats and processed sugar.  It induces an inflammatory condition in the gastrointestinal tract, and is linked to metabolic syndrome and nonalcoholic steatohepatitis (NASH).

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Definition: mixed cryoglobulinemia

Mixed cryoglobulinemia is a Type II/III vasculitic disorder seen in hepatitis C and hepatitis B infections (as opposed to Type I cryoglobulinemia that occurs as a monoclonal blood dyscrasia, ie. multiple myeloma).  Although purpura, glomerulonephritis and arthralgia are hallmarks of the disease, symptoms like fatigue, … Continue reading

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Definition: biliary cast syndrome

Biliary cast syndrome refers to a severe form of intrahepatic bile duct ischemic injury in liver transplant recipients, and the resultant cellular debris can resolve spontaneously or may require endoscopic clearance.  This syndrome can be seen with a hepatic artery thrombosis, after living-donor … Continue reading

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