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Related Concept Videos

Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Comprehensive Shielding System Enhances Radiation Protection for Structural Heart Procedures.

David G Rizik1, Robert F Burke1, Sabrina R Klassen1

  • 1Department of Cardiovascular Medicine, Honor Health, Scottsdale, Arizona.

Journal of the Society for Cardiovascular Angiography & Interventions
|August 12, 2024
PubMed
Summary
This summary is machine-generated.

A novel radiation shield (Protego) significantly reduced physician radiation exposure (RE) by 99% during transcatheter aortic valve replacement (TAVR) procedures. This comprehensive shield offers superior protection compared to traditional methods, potentially improving occupational safety in cath labs.

Keywords:
occupational hazardoccupational healthradiation safety

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Area of Science:

  • Interventional Cardiology
  • Medical Physics
  • Occupational Health

Background:

  • Physicians performing structural heart procedures face significant radiation exposure (RE).
  • Traditional shielding methods may not adequately protect operators during complex procedures like transcatheter aortic valve replacement (TAVR).
  • A novel comprehensive radiation shield (Protego) has shown promise in reducing RE during coronary interventions.

Purpose of the Study:

  • To evaluate the efficacy of the Protego radiation shield in reducing operator RE during TAVR procedures.
  • To compare the Protego shield's performance against standard shielding methods in a TAVR setting.

Main Methods:

  • A single-center, observational cohort study compared the Protego shield (n=25) with standard drop-down shields and leaded apparel (n=25) in TAVR operators.
  • Radiation exposure was measured at thyroid and waist levels using a real-time dosimetry system.
  • Procedural parameters and patient factors were also collected for analysis.

Main Results:

  • The Protego system reduced operator RE by 99% compared to standard protection.
  • Significantly lower RE was observed at both thyroid (0.08 ± 0.27 vs 79.2 ± 62.4 μSv) and waist levels (0.70 ± 1.50 vs 162.0 ± 91.0 μSv).
  • Zero total RE was achieved in 60% of cases using Protego, versus none with standard protection.

Conclusions:

  • The Protego shield system offers superior operator RE protection during TAVR.
  • This novel shield enables operators to work without personal lead aprons.
  • The Protego shield has the potential to significantly reduce occupational health hazards in the catheterization laboratory.