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01-05-2011 | Original Article | Uitgave 5/2011

Netherlands Heart Journal 5/2011

Diagnostic and prognostic value of absence of coronary artery calcification in patients with stable chest symptoms

Tijdschrift:
Netherlands Heart Journal > Uitgave 5/2011
Auteurs:
D. Rijlaarsdam-Hermsen, D. Kuijpers, P. R. M. van Dijkman

Abstract

The aim of this study was to determine the prognostic value of a coronary artery calcium score (CACS) of 0 in patients with stable chest symptoms and to compare it as a first-line test with bicycle exercise testing (X-ECG). Altogether, 315 consecutive patients over 44 years of age, with stable chest symptoms and no previous diagnosis of coronary artery disease (CAD) visited the outpatient clinic of our community hospital and underwent both CACS and X-ECG. The mean age was 60.54 years (SD 9.7; range 45–88 years). Of these patients, 141 had no detectable coronary calcium (44.8%) We excluded patients who did not sign informed consent (n = 4). Three patients were lost to follow-up. The follow-up group therefore consisted of 134 patients. The mean follow-up period was 44.6 months (25th–75th percentile: 35.5–54.3 months), during which no major adverse cardiac events (MACE) occurred. The negative predictive value (NPV) was 100%. X-ECG was negative in only 89 patients, equivocal in 39 patients and false-positive in 6 patients requiring additional stress myocardial imaging in 45 patients. NPV as a first-line test was therefore 66.4%. In conclusion: patients over 44 years with stable chest symptoms and no detectable coronary calcium have an excellent prognosis. CACS performs better compared with X-ECG as an initial test in patients with stable chest symptoms.

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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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