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Radiation-Induced Cardiovascular Toxicities.

Shahed N Badiyan1, Lindsay L Puckett2, Gregory Vlacich1

  • 1Department of Radiation Oncology, Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO, USA.

Current Treatment Options in Oncology
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Summary
This summary is machine-generated.

Radiation-induced heart disease (RIHD) is a significant concern after chest radiation therapy (RT). Early screening, risk assessment, and mitigation strategies are crucial for managing RIHD in patients.

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CardiacCardio-oncologyHeartRadiationToxicity

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Area of Science:

  • Cardiology
  • Oncology
  • Radiation Oncology

Background:

  • Radiation-induced heart disease (RIHD) is an increasingly recognized toxicity following chest radiation therapy (RT).
  • Research is ongoing to understand the long-term effects of RT on the heart, identify sensitive cardiac substructures, and pinpoint risk factors for RIHD.
  • Dose constraints for the whole heart and cardiac substructures have been established by expert groups based on available data and cancer type.

Purpose of the Study:

  • To highlight the importance of recognizing and managing radiation-induced heart disease (RIHD).
  • To emphasize the need for updated guidelines on screening and mitigation strategies for RIHD.
  • To advocate for proactive cardiovascular care in patients undergoing chest RT.

Main Methods:

  • Review of seminal papers and expert consensus guidelines on RIHD.
  • Evaluation of current research on subacute and long-term effects of RT on the heart.
  • Analysis of established whole-heart and cardiac substructure dose constraints.

Main Results:

  • RIHD is a significant potential toxicity of chest RT.
  • Guidelines recommend cardiovascular risk assessment and reduction before and after RT.
  • Cardiovascular imaging and cardiology/cardio-oncology referrals are advised for early detection and management.

Conclusions:

  • Familiarization with RIHD screening and mitigation guidelines is essential for clinicians.
  • Proactive cardiovascular risk assessment, reduction, and surveillance are recommended for patients receiving chest RT.
  • Early recognition of subclinical cardiovascular disease through imaging and specialist consultation can improve patient outcomes.