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http://dx.doi.org/10.3904/kjm.2014.87.5.565

The Influence of Admission Hypoglycemia on Clinical Outcomes in Acute Myocardial Infarction Patients with Diabetes Mellitus  

Kim, Eun Jung (Department of Cardiovascular Medicine, Chonnam National University Hospital)
Jeong, Myung Ho (Department of Cardiovascular Medicine, Chonnam National University Hospital)
Jeong, In Seok (Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hospital)
Oh, Sang Gi (Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hospital)
Kim, Sang Hyung (Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hospital)
Ahn, Young keun (Department of Cardiovascular Medicine, Chonnam National University Hospital)
Kim, Ju Han (Department of Cardiovascular Medicine, Chonnam National University Hospital)
Kim, Young Jo (Department of Cardiovascular Medicine, Yeungnam University Hospital)
Chae, Shung Chull (Department of Cardiovascular Medicine, Kyungpook National University Hospital)
Hong, Taek Jong (Department of Cardiovascular Medicine, Department of Cardiovascular Medicine, Pusan National University Hospital)
Seong, In Whan (Department of Cardiovascular Medicine, Chungnam National University Hospital)
Chae, Jei Keon (Department of Cardiovascular Medicine, Chunbuk National University Hospital)
Kim, Chong Jin (Department of Cardiovascular Medicine, KyungHee University Hospital)
Cho, Myeong Chan (Department of Cardiovascular Medicine, Chungbuk National University Hospital)
Seung, Ki Bae (Department of Cardiovascular Medicine, The Catholic University of Korea St Mary’s Hospital)
Kim, Hyo Soo (Department of Cardiovascular Medicine, Seoul National University)
Publication Information
The Korean Journal of Medicine / v.87, no.5, 2014 , pp. 565-573 More about this Journal
Abstract
Background/Aims: There are controversies surrounding strict control of blood glucose levels in diabetic patients. Therefore, we evaluated the influence of hypoglycemia at admission on the clinical outcomes of patients with acute myocardial infarction (AMI). Methods: We analyzed 5,249 diabetic patients who enrolled in the Korean Acute Myocardial Infarction Registry from November 2005 to March 2013. The patients were divided into three groups according to their blood glucose level at admission; Group I: hypoglycemia (${\leq}70$ mg/dL), Group II: normoglycemia (70-140 mg/dL) and Group III: hyperglycemia (${\geq}140$ mg/dL). We assessed in-hospital mortality and the major adverse cardiac events based on blood glucose levels at admission. Results: The mean age was older in group I at $72.6{\pm}11.0$ years compared to $71.3{\pm}10.7$ in group II and $70.3{\pm}11.1$ in group III (p < 0.006). A total of 344 patients died during hospitalization. In-hospital mortality was higher in group I at 12.9%, compared to 5.2% in group II and 6.8% in group III (p < 0.006). Multivariable logistic regression analysis determined that the independent predictors of 1-month mortality were age, Killip class III-IV, cerebrovascular disease, chronic renal failure, acute renal failure, cardiogenic shock, ventricular tachycardia, ejection fraction < 40% and hypoglycemia in admission. The mortality rate at 1 month was significantly higher in group I compared to group II (odds ratio [OR] 3.571; 95% confidence interval [CI] 1.465-8.705, p = 0.005) compared to group II and group III (OR 4.088; 95% CI 1.757-9.511, p = 0.001). Conclusions: Hypoglycemia on admission was an important predictor of in-hospital and one-month mortality in AMI patients with diabetes mellitus.
Keywords
myocardial infarction; Hypoglycemia; Prognosis;
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