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ACC Guidelines on Optimal Use of Radiation in Cardiovascular Imaging


ACC Guidelines on Optimal Use of Radiation in Cardiovascular Imaging

American College of Cardiology (ACC) released tips to minimize radiation exposure and best practices for using ionizing radiation in cardiovascular (CV) imaging to both patients and clinical personnel in a new expert consensus document. The document was published in Journal of the American College of Cardiology. 

Some key dose-minimizing strategies:

  • For X-ray fluoroscopy: optimal system positioning, choosing the slowest frame rate and smallest dose per frame when possible, and use of personal protective equipment
  • For X-ray CT: opting for the lowest-dose scan possible that produces sufficient image quality and confining scans to the smallest body area possible
  • For nuclear cardiology: selecting a stress-rest protocol when appropriate, choosing small radiopharmaceutical doses, and avoiding Thallium-201 whenever possible
  • Using alternative non-radiation techniques when possible (such as ultrasound, MRI, and electromagnetic mapping)
  • Using modern equipment calibrated for minimal radiation exposures

The document was written by a committee chaired by John Hirshfeld, Jr., MD, and Victor Ferrari, MD, both of Philadelphia’s Penn Medicine. Its recommendations were signed off on by the Heart Rhythm Society, North American Society for Cardiovascular Imaging, Society for Cardiovascular Angiography and Interventions, and Society of Cardiovascular Computed Tomography.

“The stimulus to create this document was the recognition that ionizing radiation-based cardiovascular procedures are being performed with increasing frequency,” according to the authors.

The consensus document is a resource that pulls together the evidence, they wrote. “By applying this knowledge base, cardiovascular practitioners will be able to select and perform procedures optimally, and, accordingly, minimize radiation exposure to patients and to personnel.”

Importantly, it’s not just physicians who work in a radiation environment that have a responsibility to minimize patient exposure, Hirshfeld and Ferrari’s group emphasized. This is a responsibility also shared by anyone who refers patients to radiation-based imaging or manages radiological facilities and equipment.

For further information log on to:  https://doi.org/10.1016/j.jacc.2018.02.016

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Medha Baranwal

Medha Baranwal

Medha Baranwal joined Medical Dialogues as a Desk Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She can be contacted at medha@medicaldialogues.in. Contact no. 011-43720751
Source: With inputs from JACC

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