Abstract
Purpose
To retrospectively compare outcomes of TIPS performed by puncturing left portal vein (LPV) vs right portal vein (RPV) to access the portal system.
Materials and methods
One hundred ninety-three consecutive patients underwent TIPS with controlled expansion covered stent by using the LPV (37 patients) or the RPV (156 patients). Patients were followed until the last clinical evaluation, liver transplantation, or death.
Results
Demographics and clinical characteristics of the two groups were comparable. The median follow-up was 9.6 months (range 0.1–50.6). Portosystemic pressure gradient (PSG) before TIPS 15.7 mmHg ± 4.7 in RPV group (RPVG) vs 15.4 mmHg ± 4.5 in LPV group (LPVG) (p = 0.725). After TIPS, PSG 6.3 mmHg ± 2.8 in RPVG vs 6.2 mmHg ± 2.2 (p = 0.839). In LPVG, the stent was dilated to 8-mm in 95% of patients vs 77% of RPVG (p = 0.015). Two (5.4%) and 22 (14%) patients underwent TIPS revision in LPVG and RPVG (p = 0.15). The incidence of overt HE was 13% in LPVG and 24% in RPVG (p = 0.177). Rebleeding occurred in 3 of 49 patients (6%) with variceal bleeding as an indication: 2/41 patients (4.9%) in RPVG vs 1/8 patients (12.5%) in LPVG (p = 0.417). Among 126 patients with refractory ascites 20 patients (15.9%) needed paracentesis 3 months after the procedure: 18/101 patients (17.8%) in RPVG vs 2/25 patients (8%) in LPVG (p = 0.231). Thirty-seven patients (19%) died: 32 (21%) in RPVG and 5 (14%) in LPVG (p = 0.337).
Conclusion
Compared with RPV puncture, in TIPS created through the LPV, the targeted PSG was reached with a smaller stent diameter. However, no significant difference in clinical outcomes was observed.
Key Points
• A LPV approach for TIPS creation does not lead to better control of complications of portal hypertension as compared to a RPV approach.
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Abbreviations
- HE:
-
Hepatic encephalopathy
- LPV:
-
Left portal vein
- LPVG:
-
Left portal vein group
- PSG:
-
Portosystemic pressure gradient
- RA:
-
Refractory ascites
- RPV:
-
Right portal vein
- RPVG:
-
Right portal vein group
- TIPS:
-
Transjugular intrahepatic portosystemic shunt
- VB:
-
Variceal bleeding
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The scientific guarantor of this publication is Roberto Miraglia.
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The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
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Fabio Tuzzolino kindly provided statistical advice for this manuscript.
Informed consent
Our retrospective cohort study was reviewed and approved by the institutional research review board, and informed consent form was waived. Informed written consent to the TIPS procedure was obtained in all patients.
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Our retrospective cohort study was reviewed and approved by the institutional research review board, and informed consent form was waived. Informed written consent to the TIPS procedure was obtained in all patients.
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• observational
• performed at one institution
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Miraglia, R., Maruzzelli, L., Mamone, G. et al. Right vs left portal branch puncture in TIPS creation with controlled expansion covered stent: comparison of hemodynamic and clinical outcomes. Eur Radiol 33, 2647–2654 (2023). https://doi.org/10.1007/s00330-022-09280-7
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DOI: https://doi.org/10.1007/s00330-022-09280-7