Accuracy of the Canadian new risk score as in hospital prognostic score for the Egyptian patients with acute coronary syndrome

Abstract

ObjectivesPatients with acute coronary syndrome (ACS) need to be risk stratified to deliver the most appropriate therapy. There is no appropriate score for early-risk stratification at the time of the first medical contact with ACS patients. Canada Acute Coronary Syndrome Risk Score (Canadian-ACS) is a new risk score for early prognostication in acute coronary syndromes. The aim of our study is to evaluate the accuracy and validity of Canadian-ACS risk score as a prognostic score for in-hospital risk stratification of patients with ACS, as compared to TIMI AND GRACE risk scores in the Egyptian patients. MethodsOur study included 79 patients having acute coronary syndrome admitted to CCU. Calculations of The Canada Acute Coronary Syndrome Risk Score (Canadian-ACS) and ranged from 0 to 4, with 1 point assigned for the presence of: age ≥75 years, Killip class >1, systolic blood pressure <100mm Hg, and heart rate >100 beats/min. ResultsIn our study, there is a strong association between Canadian-ACS and TIMI risk score with sensitivity 85.7% and specificity 100.0% and Grace risk score with sensitivity 78.1%% and specificity 85.1%. The negative predictive value of a Canadian-ACS score ≥1 is ≥84.4% for short-term in hospital morbidity and mortality, and for score ≥2 at ≥98%. Conclusionthe Canadian-ACS is a valid accurate and simple prognostic risk score for short-term risk stratification in patients with ACS independent of hypertension, diabetes, smoking and troponin level.