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Related Experiment Video

Updated: Jun 12, 2025

Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Transhepatic Transcatheter Pulmonary Valve Replacement.

Michael R Hainstock1, Barbara A Castro2, Stephanie R Kidney1

  • 1Division of Pediatric Cardiology, Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA.

JACC. Case Reports
|September 19, 2024
PubMed
Summary
This summary is machine-generated.

Transcatheter pulmonary valve replacement (TPVR) is challenging without traditional vascular access. Transhepatic access offers a viable alternative, with closure achieved using an Amplatzer vascular plug.

Keywords:
congenital heart defectpulmonic valveright-sided catheterizationvalve replacement

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Area of Science:

  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Transcatheter pulmonary valve replacement (TPVR) is crucial for treating pulmonary valve disease.
  • Adequate vascular access is essential for TPVR procedures.
  • Limited vascular access poses a significant challenge for TPVR.

Observation:

  • Transhepatic vascular access is a recognized safe and effective approach for various procedures.
  • Hepatic venous tract closure can be managed with standard vascular occlusion devices.
  • This study explores transhepatic access specifically for TPVR.

Findings:

  • Transhepatic access was successfully utilized for a TPVR procedure.
  • Closure of the hepatic venous tract was effectively performed using an Amplatzer vascular plug type II.
  • The approach demonstrated feasibility in a patient lacking conventional access routes.

Implications:

  • Transhepatic access expands the options for TPVR in challenging patient populations.
  • This technique may improve TPVR accessibility and outcomes.
  • Further research is warranted to establish the long-term safety and efficacy of transhepatic access for TPVR.