Influence of an antidiabetic treatment with sulfonylurea drugs on long-term survival after acute myocardial infarction in patients with type 2 diabetes. The LAngendreer Myocardial infarction and Blood glucose in Diabetic patients Assessment (LAMBDA).
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BACKGROUND
Patients with type 2 diabetes show a significantly higher mortality after acute myocardial infarction than non-diabetic patients. The influence of sulfonylureas on the survival after acute myocardial infarction is still under debate.
METHODS
Survival of 562 patients, consecutively admitted to an intensive care unit with the diagnosis acute myocardial infarction, was prospectively assessed for > 3 years. At the time of hospital admission, patients were grouped as (a) non-diabetic patients; (b) patients with newly diagnosed type 2 diabetes; (c) patients with known type 2 diabetes not treated with sulfonylureas and (d) patients with known type 2 diabetes treated with sulfonylureas. Survival-analysis was performed according to Kaplan-Meier.
RESULTS
324 patients were non-diabetics, in 86 cases type 2 diabetes was newly diagnosed at the time of hospital admission, 77 patients with known diabetes had taken sulfonylureas (glibenclamide in all cases) prior to the acute myocardial infarction, 75 patients were on any other antidiabetic treatment. Long-term-survival was significantly shorter in patients with type 2 diabetes compared to the non-diabetic patients (p < 0.0001). However, no significant differences were observed between the patients with type 2 diabetes treated with sulfonylurea-drugs and those receiving any other antidiabetic treatment (p = 0.53)
CONCLUSIONS
An antidiabetic treatment with sulfonylurea-drugs prior to acute myocardial infarction does not have negative effects on the long-term survival. Larger prospective studies will be necessary to finally clarify this question.
