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Revista argentina de cardiología
versión On-line ISSN 1850-3748
Resumen
RODRIGUEZ-GRANILLO, GASTON et al. Coronary and aortic valve calcium score assessment using low-dose non-gated chest CT. Rev. argent. cardiol. [online]. 2021, vol.89, n.4, pp.340-344. Epub 01-Ago-2021. ISSN 1850-3748. http://dx.doi.org/10.7775/rac.es.v89.i4.20415.
Background:
Coronary calcium scoring (CCS) is an underused prevention tool, possibly due to its high cost, which should not differ from a chest computed tomography (CT) scan. CCS can be assessed using conventional chest CT, generally through a visual or semiquantitative approach, and with a similar prognostic value compared to ECG-gated CCS.
Methods:
In this retrospective observational study, we included patients (n = 35) who underwent a low-dose non-gated chest CT (LDCT) and an ECG-gated CCS within the same hospitalization.
Results:
We identified a good agreement between techniques both in their qualitative and quantitative assessment, with a mean of 3.86 ± 0.7 segments with calcifications by ECG-gated compared to 3.79 ± 0.6 segments by LDCT (concordance correlation coefficient 0.98 (95% CI 0.95-0.99), and a 9.8% underestimation of the Agatston score.
Conclusions:
In this study, we showed that the CCS might be accurately assessed both qualitatively and quantitatively by LDCT studies.
Palabras clave : Tomography, X-Ray Computed; Prevention; Imaging.