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Erschienen in:
03.07.2021 | Original Paper
Prevalence and clinical characteristics of prediabetes and diabetes mellitus in young patients with ST-segment elevation myocardial infarction
Erschienen in: Clinical Research in Cardiology | Ausgabe 10/2021
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Background
Only few data on the prevalence of DM in young patients with ST-elevation myocardial infarction (STEMI) exist. Aim of the present study was to analyse this prevalence, its association to other cardiovascular risk factors and its impact on severity of CAD. In a substudy, consecutive HbA1c measurements in each patient were evaluated.
Methods
All patients ≤ 45 years old, admitted with STEMI to an overregional German Heart Centre and treated with primary coronary intervention between 2006 and 2019, entered analysis. Since 2015 HbA1c measurements were performed to detect unknown dysglycaemia.
Results
Out of 776 young patients of the total cohort, 88 patients (11.4%) had a DM, while 688 (88.6%) did not. Diabetics were more likely to be obese (BMI ≥ 30 kg/m2, OR 2.4, 95%CI 1.4–4.0, p < 0.01) and very obese (BMI ≥ 40 kg/m2, OR 5.1, 95%CI 2.1–12.2, p < 0.01). In diabetics, a higher likelihood of subacute STEMI (OR 2.2, 95% CI 1.1–4.5, p < 0.05) and more advanced CAD (OR 1.6, 95% CI 1.0–2.6, p < 0.05) compared to non-diabetics was observed. 208 patients were included in the substudy with HbA1c measurements. Out of those, 26 patients (12%) had known DM, while 17 patients (8%) had newly diagnosed DM and 49 patients (24%) preDM. The combined prevalence of any type of dysglycaemia was 44%.
Conclusion
DM in young patients with STEMI was associated with (severe) obesity, a higher likelihood of subacute STEMI and more advanced CAD compared to non-diabetics. Measurement of HbA1c in every consecutive STEMI-patient increased the rate of detected dysglycaemias more than three times higher than in general population.
Graphic abstract
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