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. 2013 May;36(5):1166-71.
doi: 10.2337/dc12-0110. Epub 2012 Dec 17.

Impaired fasting plasma glucose and type 2 diabetes are related to the risk of out-of-hospital sudden cardiac death and all-cause mortality

Jari A Laukkanen  1 , Timo H Mäkikallio, Kimmo Ronkainen, Jouni Karppi, Sudhir Kurl
Affiliations

Impaired fasting plasma glucose and type 2 diabetes are related to the risk of out-of-hospital sudden cardiac death and all-cause mortality

Jari A Laukkanen et al. Diabetes Care. 2013 May.

Abstract

Objective: The aim of the study was to determine whether impaired fasting plasma glucose (FPG) and type 2 diabetes may be risk factors for sudden cardiac death (SCD).

Research design and methods: This prospective study was based on 2,641 middle-aged men 42-60 years of age at baseline. Impaired FPG level (≥5.6 mmol/L) among nondiabetic subjects (501 men) was defined according to the established guidelines, and the group with type 2 diabetes included subjects (159 men) who were treated with oral hypoglycemic agents, insulin therapy, and/or diet.

Results: During the 19-year follow-up, a total of 190 SCDs occurred. The relative risk (RR) for SCD was 1.51-fold (95% CI 1.07-2.14, P = 0.020) for nondiabetic men with impaired FPG and 2.86-fold (1.87-4.38, P < 0.001) for men with type 2 diabetes as compared with men with normal FPG levels, after adjustment for age, BMI, systolic blood pressure, serum LDL cholesterol, smoking, prevalent coronary heart disease (CHD), and family history of CHD. The respective RRs for out-of-hospital SCDs (157 deaths) were 1.79-fold (1.24-2.58, P = 0.001) for nondiabetic men with impaired FPG and 2.26-fold (1.34-3.77, P < 0.001) for men with type 2 diabetes. Impaired FPG and type 2 diabetes were associated with the risk of all-cause death. As a continuous variable, a 1 mmol/L increment in FPG was related to an increase of 10% in the risk of SCD (1.10 [1.04-1.20], P = 0.001).

Conclusions: Impaired FPG and type 2 diabetes represent risk factors for SCD.

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Figures

Figure 1
Figure 1
The proportions of SCD according to FPG levels and type 2 diabetes. The groups were as follows: 1) men with normal FPG; 2) nondiabetic men with impaired FPG (≥5.6 mmol/L); and 3) men with type 2 diabetes.
See this image and copyright information in PMC

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