Value of saphenous vein graft markers during subsequent diagnostic cardiac catheterization

L R Peterson1, C R McKenzie, P A Ludbrook

  • 1Division of Cardiovascular Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA. lpeterso@imgate.wustl.edu

Insights

Saphenous vein graft (SVG) markers significantly improve the efficiency of post-coronary artery bypass graft (CABG) cardiac catheterizations. These markers reduce procedure time, radiation exposure, and contrast agent use for patients and clinicians.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Saphenous vein graft (SVG) markers are available but underutilized in coronary artery bypass graft (CABG) surgery.
  • Limited data exists on the effectiveness of SVG markers during postsurgery cardiac catheterization.

Purpose of the Study:

  • To prospectively evaluate the impact of SVG markers on post-CABG cardiac catheterization procedures.
  • To determine if SVG markers enhance procedural efficiency and safety.

Main Methods:

  • A prospective study compared post-CABG patients undergoing cardiac catheterization with and without SVG markers.
  • Key metrics analyzed included total procedure time, fluoroscopy time, contrast volume, and imaging efficiency.

Main Results:

  • Patients with SVG markers showed significantly reduced total procedure time, fluoroscopy time, and contrast agent usage.
  • Even after adjustments, SVG markers consistently decreased catheterization and fluoroscopy times.
  • Time to image saphenous vein grafts specifically was also reduced with marker use.

Conclusions:

  • SVG markers demonstrably improve the efficiency of post-CABG cardiac catheterizations.
  • The use of SVG markers reduces patient and clinician exposure to ionizing radiation and contrast agents.
  • SVG markers offer significant benefits for the majority of patients undergoing post-CABG catheterization.
Abstract

Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...