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Herz
Erschienen in: Herz 3/2015

01.05.2015 | e-Herz: Original article

Predictive value of plasma asymmetric dimethylarginine, homocysteine, and high-sensitive CRP levels in occult coronary artery disease

A multidetector-row computed tomography study

verfasst von: Dr. E. Gürel, K. Tigen, T. Karaahmet, Ç. Geçmen, B. Mutlu, Y. Başaran

Erschienen in: Herz | Ausgabe 3/2015

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Abstract

Background

Multidetector-row computed tomography (MDCT) is an attractive noninvasive imaging modality for detecting coronary atherosclerotic plaques, which may be underestimated by conventional angiography. The aim of our study was to determine the predictive value of plasma asymmetric dimethylarginine (ADMA), homocysteine, and high-sensitivity C-reactive protein (hsCRP) levels for occult coronary artery disease (CAD).

Patients and methods

Thirty-five patients with angiographically normal coronary arteries (NCA) were consecutively included in our study. They underwent MDCT including indications and were divided into an NCA group (18 subjects, 8 male, 46 ± 8  years) and an occult CAD group (17 subjects, 11 male, 48 ± 9 years), with respect to the presence of coronary plaque. Plasma ADMA, homocysteine, and hsCRP levels were measured in blood samples.

Results

Plasma ADMA and homocysteine levels of the occult CAD group were significantly higher than those of the NCA group. A nonsignificant trend was observed for higher serum hsCRP levels in the occult CAD group. Receiver operating characteristics analysis revealed that an ADMA level of > 0.71 μmol/l could predict patients with occult CAD (sensitivity, 76 %; specificity, 67 %). The discriminative power of ADMA in distinguishing the occult CAD group from the NCA group was high (area under the curve, 0.80; CI, 0.66–0.95, p = 0.002), while it was not sufficiently high for homocysteine and hsCRP (p > 0.05).

Conclusion

Plasma ADMA is a useful parameter for predicting subclinical atherosclerosis, whereas homocysteine and hsCRP are not, and it may be complementary to the conventional cardiovascular risk factors for the selection of individuals at high risk for CAD before undertaking MDCT procedures in clinical practice.
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Metadaten
Titel
Predictive value of plasma asymmetric dimethylarginine, homocysteine, and high-sensitive CRP levels in occult coronary artery disease
A multidetector-row computed tomography study
verfasst von
Dr. E. Gürel
K. Tigen
T. Karaahmet
Ç. Geçmen
B. Mutlu
Y. Başaran
Publikationsdatum
01.05.2015
Verlag
Urban & Vogel
Erschienen in
Herz / Ausgabe 3/2015
Print ISSN: 0340-9937
Elektronische ISSN: 1615-6692
DOI
https://doi.org/10.1007/s00059-013-4022-9

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