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Transhepatic stent placement for portal vein obstruction after hepatobiliary and pancreatic surgery: long-term efficacy and risk factor for stent failure

  • Interventional
  • Published:
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Abstract

Objectives

To evaluate the long-term efficacy of transhepatic portal vein (PV) stent placement in patients with postoperative PV obstruction and to identify risk factors for stent failure.

Methods

Between January 2007 and October 2019, percutaneous transhepatic PV stent placement was attempted in 60 patients with postoperative PV obstruction. Technical and clinical success, complications, and stent patency were retrospectively evaluated. Thirteen clinical variables were analyzed to determine risk factors for stent failure.

Results

Stent placement was technically successful in all patients. Thromboaspiration (n = 19) and jejunal variceal embolization (n = 7) were performed in the same session. Clinical symptoms related to portal hypertension were resolved in 54 patients (90.0%). There was no procedure-related complication. During the follow-up period (mean 630 days), stent failure occurred in 13 patients. One- and 5-year stent patency rate was 74.8% and 64.9%, respectively. The presence of a pancreatic fistula was the only independent risk factor associated with stent failure (HR 7.54; 95% CI 2.02–28.10, p = 0.003).

Conclusions

Percutaneous transhepatic PV stent placement is a technically feasible and effective treatment for postoperative PV obstruction. The pancreatic fistula is a risk factor for stent failure.

Key Points

• Percutaneous transhepatic stent placement is an effective treatment to improve portal hypertension–related symptoms in patients with portal vein obstruction after hepatobiliary and pancreatic surgery.

• The pancreatic fistula is an independent risk factor for portal vein stent failure.

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Abbreviations

CT:

Computed tomography

HBP:

Hepatobiliary and pancreatic

PD:

Pancreaticoduodenectomy

PTBD:

Percutaneous transhepatic biliary drainage

PV:

Portal vein

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Funding

This work was supported by grant no. 14-2019-026 from the SNUBH Research Fund.

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Authors and Affiliations

  1. Department of Radiology, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Republic of Korea

    Jae Hwan Lee, Chang Jin Yoon & Won Seok Choi

  2. Seoul National University College of Medicine, Seoul, Republic of Korea

    Chang Jin Yoon

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  1. Jae Hwan Lee
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  2. Chang Jin Yoon
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Correspondence to Chang Jin Yoon.

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The scientific guarantor of this publication is Chang Jin Yoon.

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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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No complex statistical methods were necessary for this paper.

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Written informed consent was waived by the Institutional Review Board.

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Institutional Review Board approval was obtained.

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• Retrospective observational

• performed at one institution

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Lee, J.H., Yoon, C.J. & Choi, W.S. Transhepatic stent placement for portal vein obstruction after hepatobiliary and pancreatic surgery: long-term efficacy and risk factor for stent failure. Eur Radiol 31, 1300–1307 (2021). https://doi.org/10.1007/s00330-020-07139-3

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  • DOI: https://doi.org/10.1007/s00330-020-07139-3

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