Liver and Spleen Stiffness Measured by TE and 2D-SWE for Diagnosis of CSPH in Patients With cACLD

"Index test: TE examination will be completed by experienced nurses, requiring fasting for more than 4 hours before the examination and an interval of no more than 1 week from the abdominal ultrasound and 2D-SWE examination. The report will be considered highly reliable only if IQR/med is ≤ 30%, at least 10 successful acquisitions are obtained, and the success rate is at least 60%. Abdominal ultrasound and 2D-shear wave elastography (2D-SWE) will be completed by a sonographer, the interval between ultrasonic examination and laboratory tests should be less than a week, and the patients should fast for at least 4 hours before the examination.~Reference standard: Hepatic venous pressure gradient (HVPG) will be conducted by experienced interventionists. There should be a maximum interval of no more than 1 week between the HVPG and ultrasound examination, and patients should fast for at least 2 hours before undergoing HVPG."