Abstract
Background: To assess the usefulness of following portal vein velocities by Doppler ultrasound in evaluating shunt functioning after transhepatic intrajugular portosystemic shunt (TIPS) placement and revision.
Methods: We retrospectively analyzed 39 patients who underwent a TIPS procedure in the preceding 4 years. Portal vein (PV) velocities were measured by Doppler ultrasound before and after TIPS insertion and revision and were correlated with portosystemic gradients (PSG) measured at angiography.
Results: Mean PV velocities increased from 18 ± 6 cm/s before TIPS placement to 50 ± 21 cm/s (p < 0.001) after TIPS placement, with corresponding decrease of mean PSG from 20 ± 6 to 8 ± 3 mmHg (p < 0.001). Mean PV velocities significantly increased from 24 ± 6 to 43 ± 14 cm/s after TIPS revision (p < 0.02), with decrease of PSG from 17 ± 6 to 9 ± 5 mmHg (p < 0.05). A significant correlation was found between all PV velocities and their corresponding PSG (Spearman r < 0.61, p < 0.001).
Conclusion: PV velocities significantly correlate with changes in PSG. Following portal vein velocities by ultrasound is useful for early evaluation of shunt functioning following TIPS.
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Fung, Y., Glajchen, N., Shapiro, R. et al. Portal vein velocities measured by ultrasound: usefulness for evaluating shunt functioning following TIPS placement and TIPS revision. Abdom Imaging 23, 511–514 (1998). https://doi.org/10.1007/s002619900389
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DOI: https://doi.org/10.1007/s002619900389