Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
Heart Failure
Prevalence and Prognostic Implications of Pre-Diabetic State in Patients With Heart Failure
Yuya MatsueMakoto SuzukiRena NakamuraMasami AbeMaki OnoSeigo YoshidaMie SeyaRyota IwatsukaAkira MizukamiMasahiko SetoguchiWataru NagahoriMasakazu OhnoAkihiko MatsumuraYuji Hashimoto
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2011 Volume 75 Issue 12 Pages 2833-2839


Background: Diabetes mellitus (DM) is a risk factor of poor prognosis in patients with heart failure (HF). The prevalence and prognostic impact of the pre-diabetic state, however, are not well understood. Methods and Results: One hundred and thirty-six consecutive patients admitted due to HF were included in this prospective study. The 75-g oral glucose tolerance test (OGTT) was performed in all patients without known DM, and patients were classified into normal glucose tolerance (NGT), impaired fasting glucose (IFG), impaired glucose tolerance (IGT), and DM groups. Forty-two of the 136 patients had previously been diagnosed with diabetes. Of the remaining 94 patients without known diabetes, 35 (37.2%) patients were classified as NGT, 9 (9.6%) as having IFG, 37 (39.4%) were classified as having IGT, and 13 (13.8%) were newly diagnosed with DM. During follow-up, patients with DM or IGT had significantly lower major adverse cardiac and cerebrovascular event (MACCE)-free rates than NGT patients (P=0.006, P=0.036, respectively). IFG, however, was not significantly related to increased MACCE risk. The presence of IGT (hazard ratio [HR], 4.51; P=0.011) and DM (HR, 4.74; P=0.005) were independent predictors of MACCE even after multivariate analysis. Conclusions: IGT and DM contribute to adverse prognosis in patients with HF. It is feasible to perform diabetes screening using OGTT in patients with HF for risk stratification. (Circ J 2011; 75: 2833-2839)

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