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INTRODUCTION Chest pain is the most common potentially life threatening presentation to the emergency department (ED). Furthermore, the identification of acute coronary syndrome (ACS) including its risk stratification and subsequent disposition can be challenging. The original HEART score was derived as a predictive tool to risk stratify patients presenting with undifferentiated chest pain (CP) and aid physician decision-making. However, it utilized conventional Troponins as its cardiac biomarker component. Our study aims to assess the utility of the modified HEART score with highly sensitive troponins in an Asian setting with mixed ethnicity to determine if it corroborates the findings of the another recent Chinese study by Chun-Peng MA et al[7]. METHODS Clinical data from 413 patients presenting to the ED for evaluation of chest pain were analyzed. The predictive value of the modified HEART score for determining MACE was then evaluated.RESULTS 49 patients (11.9%) had a MACE: 31 patients (7.5%) underwent PCI, and 1 patient (0.2%) underwent CABG. There were 17 (4.1%) deaths.Three risk groups were elucidated based on MACE. In the low risk group (0-2), there were 72 patients (17.4%), with a MACE rate of 1.4%. In the intermediate risk group (3-5), there were 233 patients (56.4%), with a MACE rate of 5.2%. In the high risk group (6-10), there were 108 patients (26.2%), with a MACE rate of 33.3%. CONCLUSION The modified HEART score is an effective risk stratification tool in an ethnically diverse Asian population. Furthermore, it identifies low risk patients who are candidates for early discharge from a local emergency department. |
