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Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy
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Radiation therapy facility risk analysis in Brazil with SEVRRA software.

G S Joana1,2, M S Nogueira3, E Sandrini4

  • 1Comissão Nacional de Energia Nuclear-CNEN, R. General Severiano, 90, 22290-151, Rio de Janeiro, RJ, Brazil.

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Summary
This summary is machine-generated.

This study analyzed radiation therapy facilities in Brazil, identifying key safety barriers crucial for risk management. Implementing these barriers, like in vivo dosimetry and independent audits, significantly reduces radiation therapy risks.

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Area of Science:

  • Medical Physics
  • Radiological Safety
  • Risk Management

Background:

  • Risk assessment in radiation therapy is vital for identifying process vulnerabilities.
  • Safety barriers are crucial technical or organizational measures to prevent or mitigate accidents.
  • Radiotherapy facilities require robust risk management to ensure patient safety.

Purpose of the Study:

  • To define parameters for an overall risk profile in Brazilian radiotherapy facilities.
  • To support risk-informed decision-making and regulatory processes.
  • To identify critical safety barriers for enhancing radiological safety.

Main Methods:

  • Radiological risk analysis of 20 Brazilian radiotherapy facilities.
  • Utilized the sevrra risk-management software for analysis.
  • Identified missing barriers using importance, impacted facilities, and barrier-effectiveness indices.

Main Results:

  • Identified 'in vivo dosimetry in the first treatment session' and 'weekly in vivo dosimetry' as highly effective barriers.
  • 'Annual external audit for reference dose rate control' and 'independent calibration verification' were also highly effective.
  • Highlighted the need to strengthen existing safety barrier mechanisms.

Conclusions:

  • Effective barriers are essential for reducing risk levels in radiation therapy.
  • A comprehensive risk profile aids in prioritizing safety improvements.
  • Continuous strengthening of safety barrier effectiveness is necessary in radiation therapy procedures.