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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Cardiac Catheterization II: Right Heart Catheterization01:21

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Related Experiment Video

Updated: Mar 9, 2026

Use of a Percutaneous Ventricular Assist Device/Left Atrium to Femoral Artery Bypass System for Cardiogenic Shock
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A Simplified Technique for Interventional Extracardiac Fontan.

Sudesh Prabhu1,2,3, Ben Anderson1,2,3, Cameron Ward1,2,3

  • 11 Queensland Paediatric Cardiac Services, Lady Cilento Children's Hospital, Brisbane, Australia.

World Journal for Pediatric & Congenital Heart Surgery
|December 30, 2016
PubMed
Summary
This summary is machine-generated.

A novel interventional extracardiac Fontan (ECF) procedure uses polytetrafluoroethylene grafts and a radiofrequency-perforated pericardial patch. This technique creates a nonfenestrated Fontan circuit, mimicking standard ECF hemodynamics.

Keywords:
Fontan operationinterventional proceduresingle ventricle physiology

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Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Interventional Cardiology

Background:

  • The extracardiac Fontan (ECF) procedure is a critical palliative surgery for complex single-ventricle congenital heart disease.
  • Traditional ECF involves creating a conduit between the inferior vena cava (IVC) and pulmonary arteries, bypassing the right ventricle.
  • Minimally invasive techniques are sought to improve outcomes and reduce complications associated with Fontan procedures.

Observation:

  • A novel technique for interventional ECF is presented, utilizing polytetrafluoroethylene (PTFE) tube grafts and a pericardial patch.
  • During the preparatory stage, PTFE grafts are anastomosed to the right pulmonary artery and the inferior vena cava (IVC).
  • A pericardial patch connects the two PTFE tubes, with a later radiofrequency perforation enabling stent placement.

Findings:

  • The interventional Fontan procedure involves positioning a covered stent within the PTFE tubes, eliminating the need for an atrial window.
  • This technique results in a nonfenestrated Fontan circuit, with no prosthetic material left in the pulmonary circulation.
  • Hemodynamics post-procedure are similar to a bidirectional cavopulmonary connection (BCPC), with uninterrupted IVC flow to the right atrium.

Implications:

  • This simplified interventional ECF technique offers a potentially less invasive approach to Fontan palliation.
  • The described method anatomically and hemodynamically replicates standard ECF, suggesting comparable efficacy.
  • Further studies are warranted to evaluate the long-term outcomes and safety profile of this interventional approach in pediatric patients.