Korean J Med.
2010 Jul;79(1):23-31.
Admission Glucose Is a Useful Prognostic Factor in Patients with Acute Myocardial Infarction
- Affiliations
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- 1The Heart Center of Chonnam National University Hospital, Gwangju, Korea. myungho@chollian.net
- 2Chonnam National University College of Nursing, Gwangju, Korea.
- 3Yeungnam University Hospital, Daegu, Korea.
- 4Kyungpook National University Hospital, Daegu, Korea.
- 5Busan National University Hospital, Busan, Korea.
- 6Chungnam National University Hospital, Daejon, Korea.
- 7Chonbuk National University Hospital, Jeonju, Korea.
- 8KyungHee University Hospital, Seoul, Korea.
- 9Chungbuk National University Hospital, Cheongju, Korea.
- 10The Catholic University of Korea Seoul St. Mary's Hospital, Seoul, Korea.
- 11Asan Medical Center, Seoul, Korea.
Abstract
- BACKGROUND/AIMS
It has been suggested that admission hyperglycemia is associated with poor clinical outcomes in patients with acute myocardial infarction (AMI). The aim of this study was to assess the relationship between admission hyperglycemia and short-long term prognosis in patients with AMI.
METHODS
A total of 6,030 AMI patients without a previous history of diabetes were enrolled between Nov. 2005 and Jan. 2008. The patients were divided into three groups according to the levels of admission glucose levels: group I (<140 mg/dL, n=3,307), group II (140~199 mg/dL, n=1,946), and group III (> or =200 mg/dL, n=777). In-hospital and one-year mortality were compared among three the groups.
RESULTS
The mean age was 64.3+/-13.3, 65.9+/-12.7, and 67.7+/-13.0 years in group I, II and III, respectively. The proportion of female gender (23.9%, 29.5%, 35.0%; p<0.001), Killip class III-IV (8.9%, 12.3%, 28.3%; p<0.001), ST-segment elevation myocardial infarction (54.6%, 71.5%, 71.7%; p<0.001), and in-hospital mortality (3.5%, 7.5%, 19.7%; p<0.001) increased with higher tertiles of elevated values of initial serum glucose. Hazard ratio (HR) for mortality rate were significantly increased in group II [HR=1.19, 95% confidential interval (Cl) 1.02~1.40, p=0.032], and in group III [HR=1.91, 95% Cl 1.59~2.30, p=0.001], compared with group I. And also significant differences were existed between group II and group III [HR =1.55, 95% Cl 1.27~1.88, p=0.001].
CONCLUSIONS
Admission glucose in patients with AMI provides incremental prognostic value, and significantly correlates with in-hospital and one-year mortalities.
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