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Peer-reviewedCC BY-NC-ND 4.0JACC Case Reports

Radiation Dose Reduction in Coronary Computed Tomography Angiography

  • Esosa Odigie-Okon1
  • Olushola Ogunleye2
  • Ritika Saxena2
  • Chandler O'Leary3
  • Sindhuja Earagolla4
  • Dallin Swanson4
  • Stephanie Elbanna3
  • Yumna Furqan3
  • James Rice3
4 affiliations
  1. 1Department of Cardiovascular Medicine and Radiology, The University of Texas Medical Branch (UTMB), Galveston, Texas, USA
  2. 2Department of Cardiovascular Medicine, The University of Texas Medical Branch (UTMB), Galveston, Texas, USA
  3. 3Department of Internal Medicine, The University of Texas Medical Branch (UTMB), Galveston, Texas, USA
  4. 4John Sealy School of Medicine, University of Texas Medical Branch, Galveston, Texas, USA
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Abstract

Background: Limiting the harms of ionizing radiation using dose reduction techniques in coronary computed tomography angiography (CCTA) is paramount in evaluating coronary artery disease.

Project Rationale: Assess the reproducibility of a CCTA radiation dose reduction strategy using patient-centric standardized computed tomography scanner protocol library and objectively evaluate the impact of protocol changes on image quality.

Project Summary: There was a 51.4% reduction postintervention in CCTA radiation dose at the main academic campus (n = 157), 4.6 vs 2.3 mSv, P < 0.0001. There was no significant difference in image quality except higher image noise postintervention. At a new urban satellite campus (n = 281), median radiation dose was 1.99 mSv (IQR: 1.43-3.28). An established rural satellite campus (n = 156) demonstrated median radiation dose, 10.5 mSv (IQR: 8.9-12.2).

Take-Home Message: Patient-centric standardized CCTA scan protocols and team collaboration combined with objective computed tomography image quality metrics enables reproducible, multicampus radiation dose reduction and directly bridges clinical performance with evidence to justify essential equipment upgrades.

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Cite

BibTeXRIS
BibTeX
@article{odigieokon2026radiation,
  title = {{Radiation Dose Reduction in Coronary Computed Tomography Angiography}},
  author = {Esosa Odigie-Okon and Olushola Ogunleye and Ritika Saxena and Chandler O'Leary and Sindhuja Earagolla and Dallin Swanson and Stephanie Elbanna and Yumna Furqan and James Rice},
  journal = {JACC Case Reports},
  year = {2026},
  month = sep,
  doi = {10.1016/j.jaccas.2026.109414},
  url = {https://doi.org/10.1016/j.jaccas.2026.109414},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Radiation Dose Reduction in Coronary Computed Tomography Angiography
AU  - Esosa Odigie-Okon
AU  - Olushola Ogunleye
AU  - Ritika Saxena
AU  - Chandler O'Leary
AU  - Sindhuja Earagolla
AU  - Dallin Swanson
AU  - Stephanie Elbanna
AU  - Yumna Furqan
AU  - James Rice
PY  - 2026
DA  - 2026/09/16
JO  - JACC Case Reports
DO  - 10.1016/j.jaccas.2026.109414
UR  - https://doi.org/10.1016/j.jaccas.2026.109414
AB  - Background: Limiting the harms of ionizing radiation using dose reduction techniques in coronary computed tomography angiography (CCTA) is paramount in evaluating coronary artery disease.  Project Rationale: Assess the reproducibility of a CCTA radiation dose reduction strategy using patient-centric standardized computed tomography scanner protocol library and objectively evaluate the impact of protocol changes on image quality.  Project Summary: There was a 51.4% reduction postintervention in CCTA radiation dose at the main academic campus (n = 157), 4.6 vs 2.3 mSv, P < 0.0001. There was no significant difference in image quality except higher image noise postintervention. At a new urban satellite campus (n = 281), median radiation dose was 1.99 mSv (IQR: 1.43-3.28). An established rural satellite campus (n = 156) demonstrated median radiation dose, 10.5 mSv (IQR: 8.9-12.2).  Take-Home Message: Patient-centric standardized CCTA scan protocols and team collaboration combined with objective computed tomography image quality metrics enables reproducible, multicampus radiation dose reduction and directly bridges clinical performance with evidence to justify essential equipment upgrades.
SN  - 2666-0849
ER  -