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CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2011; 21(04): 291-293
DOI: 10.4103/0971-3026.90693
Interventional Radiology

Measurement of hepatic venous pressure gradient revisited: Catheter wedge vs balloon wedge techniques

S Timothy Chelliah
Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Shyamkumar N Keshava
Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Vinu Moses
Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Narayanam RS Surendrababu
Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Uday George Zachariah
Department of Gastroenterology, Christian Medical College, Vellore, Tamil Nadu, India
,
CE Eapen
Department of Gastroenterology, Christian Medical College, Vellore, Tamil Nadu, India
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Abstract

Aims: To evaluate the accuracy of measurement of hepatic venous pressure gradient by catheter wedge as compared to balloon wedge (the gold standard). Materials and Methods: Forty-five patients having a clinical diagnosis of intrahepatic portal hypertension were subjected to the two different types of pressure measurements (catheter wedge and balloon wedge) during transjugular liver biopsy under fluoroscopic guidance. Statistical Analysis: Spearman′s rank correlation coefficient, Bland-Altman plot for agreement, and single measure intraclass correlation were used for analysis of data. Results: There was a close correlation between the results obtained by both the techniques, with highly significant concordance (P < 0.0001). Hepatic venous pressure gradients as measured by the catheter wedge technique were either equal to or less than those obtained by the balloon wedge technique. Conclusions: The difference in hepatic venous pressure gradients measured by the two techniques is insignificant.

Keywords

Balloon wedge hepatic venous pressure - catheter wedge hepatic venous pressure - free hepatic venous pressure - hepatic venous pressure gradient


Publication History

Article published online:
30 July 2021

© 2011. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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