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Related Concept Videos

Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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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...
186

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First Dedicated Minimally Invasive Right Atrial Retractor.

Mario Castillo-Sang1, Joseph Konys1, Brian Burkhard1

  • 1Department of Surgery, Saint Elizabeth Healthcare, Edgewood, Kentucky.

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|May 27, 2022
PubMed
Summary
This summary is machine-generated.

A new right atrial retractor facilitates minimally invasive tricuspid valve surgery. This device provides excellent exposure and stability, enabling faster recovery and improved patient outcomes in complex cardiac procedures.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Device Innovation
  • Minimally Invasive Cardiac Procedures

Background:

  • Correcting tricuspid valve insufficiency is crucial in patients with left-sided valve disease.
  • Minimally invasive mitral valve operations are common, but data for isolated tricuspid valve procedures is limited.
  • Existing retractors are inadequate for minimally invasive tricuspid valve exposure.

Purpose of the Study:

  • To develop and evaluate a dedicated right atrial (RA) retractor for minimally invasive tricuspid valve (TV) operations.
  • To address the challenges of TV exposure due to anatomical proximity.
  • To create a retractor that is shallow, prevents slippage, and is quick to deploy and remove.

Main Methods:

  • A novel fenestrated, shallow, and wide RA retractor with articulating wings was designed.
  • A 3D-printed prototype was modified based on feedback from experienced minimally invasive cardiac surgeons.
  • The modified retractor was successfully deployed in surgical procedures.

Main Results:

  • The RA retractor provided effective, safe, and rapid exposure of the tricuspid valve and surrounding RA structures.
  • Full visualization of the tricuspid valve, interatrial septum, vena cava ostia, and coronary sinus was achieved.
  • The retractor proved beneficial in various procedures, including isolated TV repairs, myxoma resection, and complex mitral valve operations.

Conclusions:

  • The developed minimally invasive RA retractor offers excellent and stable exposure of right atrial structures.
  • Fast deployment and removal contribute to the efficiency of minimally invasive cardiac surgery.
  • This innovation enhances the feasibility and outcomes of minimally invasive tricuspid valve interventions.