Diagnosis and Prevention of Portal Vein Thromt is following Splenectomy
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Reduced portal blood flow due to hepatic parenchymal disease and abdominal sepsis (ie, infectious or ascending thrombophlebitis) are the major causes. Transient PVT is also being recognized with increasing frequency, partly because of the great increase in the use of ultrasonography in the evaluation of patients with abdominal inflammation such as appendicitis. Causes of PVT include the following: Idiopathic causes, secondary to tumor, hepatocellular carcinoma, cholangiocarcinoma, pancreatic carcinoma, gastric carcinoma, trauma, iatrogenic umbilical vein catheterization, abdominal sepsis, pan creatitis, perinatal omphalitis, appendicitis, diverticulitis, ascending cholangitis, hypercoagulable syndromes, estrogen therapy, severe dehydration, cirrhosis, especially in the young, and portal hypertension.