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Detection of coronary artery calcifications predicting coronary heart disease: comparison of fluoroscopy and spiral CT

  • Original article, Cardiovascular radiology
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Abstract.

The aim of this study was to evaluate the clinical relevance of coronary artery calcifications detected by spiral CT, congruence with fluoroscopy (FS) and coronary angiography, and comparison with studies reporting on application of double-helical CT and ultrafast CT. Forty patients underwent spiral CT (2-mm slice thickness, table feed 3 mm/s), coronary angiography, and FS (performed in the usual manner). Stenosis and calcifications were evaluated semiquantitatively. Nineteen patients suffering from a stenosis ≥ 75 % were verified at coronary angiography. All had coronary artery calcification on spiral CT. Fluoroscopy did not detect 8 of 19 patients with a stenosis ≥ 75 % (1 vessel: n = 1; 2 vessels: n = 3; 3 vessels: n = 4). In spiral CT sensitivity was 100 % and specificity was 33 % (FS: 58 and 48 %). Positive predictive value was 83 % for spiral CT (FS: 50 %), and negative predictive value was 100 % (FS: 56 %). A significant linear increase in the calcification score was found for increasing maximal stenosis (p < 0.005). Spiral CT is more sensitive than FS in the recognition of hemodynamic relevant stenoses using the detection of coronary artery calcifications. Statistical parameters are comparable to ultrafast-CT. Spiral CT is a suitable non-invasive diagnostic technique in coronary heart disease. Coronary calcifications found incidentally in symptomatic patients at chest CT should be reported to the referring physician for further cardiological workup.

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Received 14 July 1997; Revision received 29 December 1997; Accepted 5 January 1998

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Heussel, C., Voigtlaender, T., Kauczor, HU. et al. Detection of coronary artery calcifications predicting coronary heart disease: comparison of fluoroscopy and spiral CT. Eur Radiol 8, 1016–1024 (1998). https://doi.org/10.1007/s003300050508

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  • DOI: https://doi.org/10.1007/s003300050508

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