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01-07-2013 | Original Article | Uitgave 7-8/2013 Open Access

Netherlands Heart Journal 7-8/2013

Different value of coronary calcium score to predict obstructive coronary artery disease in patients with and without moderate chronic kidney disease

Tijdschrift:
Netherlands Heart Journal > Uitgave 7-8/2013
Auteurs:
K. H. Yiu, F. R. de Graaf, J. E. van Velzen, N. A. Marsan, C. J. Roos, M. K. de Bie, H. F. Tse, E. E. van der Wall, M. J. Schalij, J. J. Bax, J. D. Schuijf, J. W. Jukema

Abstract

Purpose

The coronary calcium score (CCS) predicts significant coronary artery disease (CAD) in the general population. While moderate chronic kidney disease (CKD) is associated with high CCS, the use of CCS to predict significant CAD in these patients is unknown.

Methods

A total of 704 patients underwent computed tomography coronary angiography for the assessment of CCS and CAD. Sixty-nine (10 %) patients had moderate CKD, defined by an estimated glomerular filtration rate (eGFR) between 30 and 59 mL/min/1.73m2, and the remaining patients were considered to be without significant CKD (eGFR ≥ 60 mL/min/1.73m2).

Results

Patients with moderate CKD were older, had a higher CCS, and a higher prevalence of obstructive CAD than patients without significant CKD. Receiver-operator curve analysis showed that CCS predicted the presence of obstructive CAD in both patients with moderate CKD and those without significant CKD. In patients with moderate CKD, the optimal cut-off value of CCS to diagnose obstructive CAD was 140 (sensitivity 73 % and specificity of 70 %), and is 2.8 fold higher than in patients without significant CKD (cut-off value = 50; sensitivity 75 % and specificity 75 %).

Conclusion

The present results demonstrate that CCS can predict obstructive CAD in patients with moderate CKD, although the optimal cut-off value is higher than in patients without significant CKD.

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Netherlands Heart Journal

Het Netherlands Heart Journal wordt uitgegeven in samenwerking met de Nederlandse Vereniging voor Cardiologie en de Nederlandse Hartstichting. Het tijdschrift is Engelstalig en wordt gratis beschikbaa ...

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