Serum levels of C-reactive protein and uric acid in patients with cardiac syndrome X. 2009

Serpil Eroglu, and Leyla Elif Sade, and Aylin Yildirir, and Ozlem Demir, and Huseyin Bozbas, and Haldun Muderrisoglu
Department of Cardiology, Baskent University Faculty of Medicine, Ankara, Turkey. serpileroglu@gmail.com

OBJECTIVE Angina-like chest pain, a positive result from a stress test, and normal coronary arteries are characteristics of patients with cardiac syndrome X (CSX). Serum levels of C-reactive protein (CRP), which is a marker of a systemic inflammatory state, are associated with coronary atherosclerosis and endothelial dysfunction. Serum uric acid (UA) levels have also been implicated in the development of atherosclerotic cardiovascular disease. However, little is known about the association of serum UA and CRP levels with CSX. METHODS In all, 250 subjects (100 patients with CSX, 100 with coronary artery disease (CAD), and 50 control subjects) were enrolled in the study. Coronary arteries were evaluated by conventional coronary angiography in the CSX and CAD groups. All patients underwent a noninvasive stress test. To determine whether they are potential risk factors for CSX, serum CRP and UA levels were compared among the 3 groups. RESULTS Serum levels of CRP were higher in patients with CSX or CAD than in the control subjects (4.4 +/- 3.1 and 4.5 +/- 2.9 mg/L, respectively, vs. 1.9 +/- 1.6 mg/L; P < 0.001), but those levels were similar in patients with CSX or CAD. Uric acid levels were higher in patients with CSX or CAD than in the control subjects (5.5 +/- 1.1 mg/dl and 5.9 +/- 1.4 mg/dl, respectively, vs. 4.4 +/- 1.2 mg/dl; P < 0.00 1), but those levels were also similar in patients with CSX or CAD. CONCLUSIONS In patients with CSX, serum CRP and UA levels were as high as those in patients with CAD. Elevated serum CRP and UA levels may contribute to the development of CSX.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009391 Nephelometry and Turbidimetry Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering. In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured. In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam. Turbidimetry,Nephelometry,Turbidimetry and Nephelometry
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002097 C-Reactive Protein A plasma protein that circulates in increased amounts during inflammation and after tissue damage. C-Reactive Protein measured by more sensitive methods often for coronary heart disease risk assessment is referred to as High Sensitivity C-Reactive Protein (hs-CRP). High Sensitivity C-Reactive Protein,hs-CRP,hsCRP,C Reactive Protein,High Sensitivity C Reactive Protein
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D005080 Exercise Test Controlled physical activity which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used. Arm Ergometry Test,Bicycle Ergometry Test,Cardiopulmonary Exercise Testing,Exercise Testing,Step Test,Stress Test,Treadmill Test,Cardiopulmonary Exercise Test,EuroFit Tests,Eurofit Test Battery,European Fitness Testing Battery,Fitness Testing,Physical Fitness Testing,Arm Ergometry Tests,Bicycle Ergometry Tests,Cardiopulmonary Exercise Tests,Ergometry Test, Arm,Ergometry Test, Bicycle,Ergometry Tests, Arm,Ergometry Tests, Bicycle,EuroFit Test,Eurofit Test Batteries,Exercise Test, Cardiopulmonary,Exercise Testing, Cardiopulmonary,Exercise Tests,Exercise Tests, Cardiopulmonary,Fitness Testing, Physical,Fitness Testings,Step Tests,Stress Tests,Test Battery, Eurofit,Test, Arm Ergometry,Test, Bicycle Ergometry,Test, Cardiopulmonary Exercise,Test, EuroFit,Test, Exercise,Test, Step,Test, Stress,Test, Treadmill,Testing, Cardiopulmonary Exercise,Testing, Exercise,Testing, Fitness,Testing, Physical Fitness,Tests, Arm Ergometry,Tests, Bicycle Ergometry,Tests, Cardiopulmonary Exercise,Tests, EuroFit,Tests, Exercise,Tests, Step,Tests, Stress,Tests, Treadmill,Treadmill Tests
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective

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