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INTERVENTIONAL RADIOLOGY Table of Contents   
Year : 2011  |  Volume : 21  |  Issue : 4  |  Page : 291-293
Measurement of hepatic venous pressure gradient revisited: Catheter wedge vs balloon wedge techniques


1 Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
2 Department of Gastroenterology, Christian Medical College, Vellore, Tamil Nadu, India

Correspondence Address:
S Timothy Chelliah
Department of Radiology, CMCH, Vellore - 632 004, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-3026.90693

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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.


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