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KMID : 0882420100790010023
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Korean Journal of Medicine
2010 Volume.79 No. 1 p.23 ~ p.31
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Admission Glucose Is a Useful Prognostic Factor in Patients with Acute Myocardial Infarction
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Kim Eun-Joung
Park Oh-Jang
Jeong Myung-Ho
Ahn Young-Keun
Kim Ju-Han
Kim Young-Jo
Chae Shung-Chull
Hong Taek-Jong
Seong In-Hwan
Chae Jei-Keon
Kim Chong-Jin
Cho Myeong-Chan
Seung Ki-Bae
Park Seung-Jung
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Abstract
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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 (≥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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KEYWORD
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Myocardial infarction, Hyperglycemia, Prognosis
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