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Original Article Clinical Value of GRACE Score in the Prediction of Mortality in Patients with Acute Coronary Syndrome
Eun Suk Shin, Myung Ho Jeong, Young Hun Lee, Sun Il Ji, So Young Jeong, Ok Hee Lee, Jeong Ja Kang, So Young Yun, Jeong Eun Yoo, Hyung Wook Park, Ju Han Kim, Weon Kim, Young Keun Ahn, Jeong Gwan Cho, Jong Chun Park, Jung Chaee Kang

1The Heart Center and Coronary Care Unit of Chonnam National University Hospital, Korea.
2Chonnam National University Research Institute of Medical Sciences, Gwangju, Korea.
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This study was aimed to evaluate the validity of the Global Registry of Acute Coronary Event (GRACE) in patients with acute coronary syndrome (ACS).
One thousand thirty hundred seventy eight patients (63.6+/-12.0 years, 921 male), who were admitted at coronary care unit (CCU) of Chonnam National University Hospital between January 2004 and December 2005, were analyzed. The patients were divided into two groups: the survived group (n=1,298, 871 male, 63.1+/-9.7 years) and the moribund group (n=80, 50 male, 67.4+/-8.5 years). Clinical characteristics, risk factors for atherosclerosis, echocardiographic findings, GRACE score and NT-proBNP were compared between groups.
The overall mortality was 5.8 %, 80 out of 1,378 patients. Mortality was higher in patients with Killip IV (46.7%, 50 out of 107 patients) than Killip II or III and elderly patients more than 80 years (42.7%, 38 out of 89 patients). High Killip class and old age were associated with high mortality (p<0.0001 respectively). Total score of GRACE was elevated in the moribund group (142+/-40.3 vs. 240+/-40.0) and high GRACE score was significant predictor of mortality (p<0.0001, r=0.827). Predictive factors for mortality by multiple logistic regression analysis were GRACE score (OR 1.15, 1.11~1.20 95%CI, p<0.0001) and old age (OR 0.88, 1.14~1.33 95%CI, p<0.001).
GRACE score is useful predictor for the mortality of ACS at CCU.

ACC : Acute and Critical Care