Coronary artery calcium score assessment in breast cancer patients after three-dimensional conformal radiotherapy: Is calcium score an appropriate screening study?
Iranian Journal of Radiology, ISSN: 2008-2711, Vol: 15, Issue: 4
2018
- 7Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Captures7
- Readers7
Article Description
Background: Adjuvant radiation therapy (RT) improves the prognosis of breast cancer (BC); nevertheless, causes post-RT complications. One of the most life-threatening complications of RT in BC patients is atherosclerotic coronary artery disease (CAD). Compared with old two-dimensional RT (2D-RT), newer three-dimensional conformal radiotherapy (3D-CRT) protects normal tissues including the heart from irradiation. Early detection of plaques using coronary artery calcium score (CACS) could improve the post-RT BC survivors’ outcomes. Objectives: This study assessed CACS in BC patients who underwent 3D-CRT to find whether there is any significant difference between their CACS and those of non-BC patients. Patients and Methods: CACS of fifty BC patients with different intervals from RT-case-and fifty women with no history of BC or RT-control-using 64-slice ECG-gated CT scan were assessed as Agatston score (AS). The risk factors of CAD, the Framingham’s 10-year risk score, and the age-matched CACS percentiles were evaluated. Results: No AS difference between the case and control was found. No correlation between AS and RT-to-follow-up time interval, laterality of BC, Framingham’s 10-year risk score or traditional CAD risk factors were detected. Increase in CACS related to the senile atherosclerotic process was shown (P < 0.001). Conclusion: No significant difference in CACS was found in BC patients treated by 3D-CRT in comparison with those of non-BC individuals or BC patients who treated by 2D-RT. This finding may be the result of either the non-calcified nature of radiation-induced CAD plaques or reduced cardiac radiation in 3D-CRT, leading to myocardial microvascular disease rather than senile calcified atherosclerotic plaques. CACS may not be an appropriate screening test to detect early CAD in these patients.
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