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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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Related Experiment Video

Updated: Mar 17, 2026

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
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New image-processing and noise-reduction software reduces radiation dose during complex endovascular procedures.

Melissa L Kirkwood1, Jeffrey B Guild2, Gary M Arbique2

  • 1Division of Vascular and Endovascular Surgery, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Tex.

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The AlluraClarity system significantly reduces radiation exposure for patients and surgeons during complex endovascular procedures (CEPs). This advanced imaging technology lowers dose by over 50% while maintaining image quality.

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Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Radiation Safety

Background:

  • Philips AlluraClarity is a new image-processing system for radiation-based interventional procedures.
  • It claims to reduce radiation dose and preserve image quality using noise-reduction algorithms.

Purpose of the Study:

  • To evaluate if the AlluraClarity system decreases surgeon and patient radiation dose during complex endovascular procedures (CEPs).

Main Methods:

  • Radiation doses to operators and patients were recorded during CEPs with and without the AlluraClarity system.
  • Operator doses were measured using nanoDot and DoseAware dosimetry systems.
  • Data were analyzed comparing groups with and without Clarity, adjusting for patient BMI and case complexity.

Main Results:

  • A total of 234 CEPs were analyzed (95 without Clarity, 139 with Clarity).
  • Radiation dose to patients and operators decreased by 60% in the Clarity group.
  • Fluorography and fluoroscopy dose rates decreased significantly across various procedure types.

Conclusions:

  • The AlluraClarity system effectively reduces patient and operator radiation dose by over 50% during CEPs.
  • It is a valuable tool for lowering radiation exposure in interventional radiology while maintaining image quality.