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Revista Colombiana de Cardiología

versión impresa ISSN 0120-5633

Resumen

SPROCKEL DIAZ, John Jaime et al. Implementation of risk stratification scales in the diagnosis of acute coronary syndromes. Rev. Colomb. Cardiol. [online]. 2017, vol.24, n.5, pp.480-487.  Epub 05-Ene-2017. ISSN 0120-5633.  http://dx.doi.org/10.1016/j.rccar.2016.11.004.

Introduction:

Chest pain is one of the main reasons for consultation in the emergency room. Several risk scales have been assessed in patients with chest pain. The motivation of this study is to compare the diagnostic performance of risk scales in patients with chest pain and suspicion of acute coronary syndrome.

Methods:

Study of diagnostic tests that included patients over the age of 18 with chest pain and suspicion of acute coronary syndrome. The reference standard was an invasive or noninvasive coronary stratification test and the index test consisted of the score in risk scales TIMI, GRACE, CARdiac, Florencia, Sanchis and HEART. Operative characteristics for different cut points were calculated and the areas under the ROC curve were compared.

Results:

The study included 249 patients, of whom 143 (57.4%) were male, average age was 65.3 years; 73 (29.3%) were unstable anginas; 79 (31.7%) showed acute myocardial infarctions without ST elevation and for 97 (39%) coronary disease was ruled out. HEART and TIMI scales revealed the best diagnostic performance with a low area under the curve of 0.75 (CI of 95% 0.69-0.81) and 0.71 (CI of 95% 0.65-0.77). Areas under the curve for Florencia, CARdiac, GRACE, and Sanchis were 0,64 (CI 95% 0.57-0.71), 0.63 (CI 95% 0.57-0.69), 0.62 (CI 95% 0.55-0.69), and 0.62 (CI 95% 0.55-0.69), respectively.

Conclusions:

In a patient population with high probability for acute coronary syndrome, HEART and TIMI scales showed a greater ability to discriminate the diagnosis of acute coronary syndrome.

Palabras clave : Chest pain; Acute coronary syndrome; Myocardial infarction; Angina; Diagnosis.

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