alexa Comparison between Carotid Artery Doppler Ultrasound and Coronary Calcium Score as Predictors of Significant Coronary Artery Disease in Patients Undergoing Computed Tomography Coronary Angiography
ISSN: 2329-6607

Cardiovascular Pharmacology: Open Access
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Research Article

Comparison between Carotid Artery Doppler Ultrasound and Coronary Calcium Score as Predictors of Significant Coronary Artery Disease in Patients Undergoing Computed Tomography Coronary Angiography

Silvia Tresoldi1*, Riccardo Bigi2, Dario Gregori3, Anna Ravelli4, Paola Pricolo4, Nicola Flor1, Sergio Papa5 and Gianpaolo Cornalba6

1Radiologia Diagnostica ed Interventistica, Dipartimento dei Servizi Diagnostici, Azienda Ospedaliera San Paolo, Via di Rudinì 8, 20142 Milano, Italy

2Cardiologia, Centro Diagnostico Italiano, Via Saint Bon 20, 20147 Milano, Italy

3Dipartimento di Medicina ambientale e Sanità Pubblica, Università di Padova, via Giustiniani 2, 35128 Padova, Italy

4Scuola di Specializzazione in Radiodiagnostica, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milano, Italy

5Radiologia, Centro Diagnostico Italiano, Via Saint Bon 20, 20147 Milano, Italy

6Dipartimento di Scienze della Salute, Università degli Studi di Milano, Via A. di Rudinì 8, 20142 Milan, Italy

*Corresponding Author:
Silvia Tresoldi
Dipartimento di Radiologia Diagnostica ed Interventistica
Azienda Ospedaliera San Paolo, Italy
Tel: +39 333 3111021
Fax: +39 025 0323393
E-mail: [email protected]

Received date: February 23, 2014; Accepted date: March 15, 2014; Published date: March 24, 2014

Citation: Tresoldi S, Bigi R, Gregori D, Ravelli A, Pricolo P, et al. (2014) Comparison between Carotid Artery Doppler Ultrasound and Coronary Calcium Score as Predictors of Significant Coronary Artery Disease in Patients Undergoing Computed Tomography Coronary Angiography. Cardiol Pharmacol 3:116. doi:10.4172/2329-6607.1000116

Copyright: © 2014 Tresoldi S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: The association between carotid artery Doppler ultrasound (US) or coronary Calcium Score (CCS) and the presence of significant CAD has been suggested but not largely documented. The purpose of this study was to compare carotid artery Doppler US and CCS as predictors of significant CAD. Methods: 56 patients (47 males, mean age 62 ± 8 years) with no history of CAD, who had undergone computed tomography coronary angiography (CTCA), Calcium Score evaluation and US, entered the study. Distribution of main socio-demographic and health related characteristics were described. On the basis of the CTCA results patients were classified as with no/non-significant CAD or with significant CAD. The presence of carotid plaques and the intima-media thickness (IMT) value were assessed with US stratifying patients into 3 groups: IMT ≤ 0.5 mm (free from disease); IMT 0.6-1mm (non-significant disease); IMT >1 mm (significant disease). Volume, Mass and Agatston Score were calculated using computed tomography (CT). Considering Agatston Score absolute values patients were classified into 5 groups: Agatston Score <10; 10-99; 100-399; 400-999; ≥ 1000; on the basis of risk percentiles patients were classified into 4 groups: <25° percentile, <50° percentile, <75° percentile, >75° percentile. Association between Calcium Score and IMT with CAD at CTCA were assessed. Results: Age, gender, hypertension, diabetes, high blood cholesterol, familiar history of CAD and smoke habit were similar in patients with and without significant CAD, whilst chest pain was significantly (p=0.001) associated with CAD. At univariate analysis, IMT (p=0.001) and Calcium Score (p<0.001) were associated with significant CAD. However, after adjusting for potential confounders, multivariate analysis indicated Calcium Score as the only significant and independent predictor of significant CAD. Conclusion: Calcium Score is a more powerful marker of significant CAD compared to atherosclerotic burden of the carotid artery.

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