Both the scores calculate the patient’s risk of mortality and they are not intended to identify the severity of coronary artery disease. This score has seven variables (Age, Prior CAD, Risk factors, History of Angina episodes in 24 h, History of Aspirin intake, ST segment deviation on ECG and elevated cardiac biomarker) with the scoring from 0 to 7. The TIMI score has been derived from Thrombolysis In Myocardial Infarction (TIMI) IIB trial and has also been published as online TIMI risk score calculator ( ). Creatinine, ST segment deviation on ECG and elevated cardiac biomarker) with the scoring from 2 to 372. This score has eight variables (Age, Heart Rate, Systolic BP, Killip Class of HF, Cardiac arrest at admission, S. The GRACE score has been derived from Global Registry of Acute Coronary Events (GRACE) registry and it has been published as an online risk calculator ( ). 3 These two scoring systems yield the scores from some clinical parameters obtained from patient’s history, physical examination and investigations during admission. The most popular risk scores are the GRACE and TIMI scores. Several risk scores are developed in predicting the outcomes in patients with acute coronary syndrome. Prognosis in patients with non-ST elevation acute coronary syndrome can be assessed by early risk stratification. 1 The incidence of non-ST elevation acute coronary syndrome to ST elevation myocardial infarction is increasing, probably as a result of demographic changes in the population, including progressively increasing numbers of older persons and higher rates of diabetes mellitus. Coronary artery disease (CAD) alone caused 7 million deaths worldwide in 2010 and it is an increase of 35% since 1990. This figure is expected to grow to 23.6 million by the year 2030. J Am Med Assoc 284:835–842īoersma E, Pieper KS, Steyerberg EW et al (2000) Predictors of outcome in patients with acute coronary syndromes without persistent st-segment elevation: results from an international trial of 9461 patients.Cardiovascular diseases account for more than 17 million deaths globally each year. J Am Coll Cardiol 45:1397–1405Īntman EM, Cohen M, Bernink PJLM et al (2000) The TIMI risk score for unstable angina/non-st elevation MI: a method for prognostication and therapeutic decision making. Halkin A, Singh M, Nikolsky E et al (2005) Prediction of mortality after primary percutaneous coronary intervention for acute myocardial infarction: the CADILLAC risk score. Morrow DA, Antman EM, Charlesworth A et al (2000) TIMI risk score for ST-elevation myocardial infarction: a convenient, bedside, clinical score for risk assessment at presentation: an intravenous nPA for treatment of infarcting myocardium early II trial substudy. Granger CB, Goldberg RJ, Dabbous O et al (2003) Predictors of hospital mortality in the global registry of acute coronary events. A report of the American College of Cardiology/American Heart Association Task Force on practice guidelines (writing committee to revise the 2002 guidelines for the management of patients with unstable angina/non ST-elevation myocardial infarction). ACC/AHA (2007) Guidelines for the management of patients with unstable angina/non ST-elevation myocardial infarction.
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