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- W2087429042 abstract "The sonographic parameters in portal hypertension (PHT) were examined in a consecutive population of 118 patients who had PHT diagnosed using specific endoscopic, sonographic and Doppler signs. A patent or enlarged paraumbilical vein was found in 85.6% of patients overall and 82.5% of patients with varices indicating a relatively high sensitivity. A portal vein diameter ≤ 13mm was found in only 41.1% and ≤ 15mm in only 20% of patients. A thrombosed portal vein and reversed portal vein flow were present in 3.4% and 5.3% of patients respectively. These signs have only been reported in the context of PHT and are felt to be specific for PHT, but both have a very low sensitivity. Portal vein velocities were highly variable suggesting that this is not a useful predictor of PHT. Splenomegaly was found in only 53.5% of patients demonstrating its poor sensitivity as a sign of PHT. Varices were found in 73.3% of patients overall, and in 100% of patients with a patent or enlarged paraumbilical vein combined with ascites. No other statistically significant correlation between varices and sonographic findings was demonstrated. We conclude that the presence of a patent or enlarged paraumbilical vein is a practical, useful and sensitive ultrasound sign to look for in the diagnosis of PHT." @default.
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- W2087429042 date "1992-05-01" @default.
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- W2087429042 title "Duplex Doppler Ultrasound Signs of Portal Hypertension: Relative Diagnostic Value of Examination of Paraumbilical Vein, Portal Vein and Spleen" @default.
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- W2087429042 doi "https://doi.org/10.1111/j.1440-1673.1992.tb03090.x" @default.
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