• Am J Emerg Med · Nov 2012

    Risk scores prognostic implementation in patients with chest pain and nondiagnostic electrocardiograms.

    • Maurizio Zanobetti, Gabriele Viviani, Yuri Mariannini, Claudio Poggioni, Gabriele Cerini, Margherita Luzzi, Francesca Innocenti, Erica Canuti, and Riccardo Pini.
    • Emergency Medicine, Department of Critical Care Medicine and Surgery, University of Florence and Careggi University Hospital, 50134 Florence, Italy. aaaconti@hotmail.com
    • Am J Emerg Med. 2012 Nov 1;30(9):1719-28.

    BackgroundSeveral risk scores are available for prognostic purpose in patients presenting with chest pain.AimThe aim of this study was to compare Grace, Pursuit, Thrombolysis in Myocardial Infarction (TIMI), Goldman, Sanchis, and Florence Prediction Rule (FPR) to exercise electrocardiogram (ECG), decision making, and outcome in the emergency setting.MethodsPatients with nondiagnostic ECGs and normal troponins and without history of coronary disease underwent exercise ECG. Patients with positive testing underwent coronary angiography; otherwise, they were discharged. End point was the composite of coronary stenosis at angiography or cardiovascular death, myocardial infarction, angina, and revascularization at 12-month follow-up.ResultsOf 508 patients considered, 320 had no history of coronary disease: 29 were unable to perform exercise testing, and finally, 291 were enrolled. Areas under the receiver operating characteristic curves for Grace, Pursuit, TIMI, Goldman, Sanchis, and FPR were 0.59, 0.68, 0.69, 0.543, 0.66, and 0.74, respectively (P < .05 FPR vs Goldman and Grace). In patients with negative exercise ECG and overall low risk score, only the FPR effectively succeeded in recognizing those who achieved the end point; in patients with high risk score, the additional presence of carotid stenosis and recurrent angina predicted the end point (odds ratio, 12 and 5, respectively). Overall, logistic regression analysis including exercise ECG, coronary risk factors, and risk scores showed that exercise ECG was an independent predictor of coronary events (P < .001).ConclusionsThe FPR effectively succeeds in ruling out coronary events in patients categorized with overall low risk score. Exercise ECG, nonetheless being an independent predictor of coronary events could be considered questionable in this subset of patients.Copyright © 2012 Elsevier Inc. All rights reserved.

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