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Epidemiological characteristics and risk factors for heart failure in Japanese patients with type 2 diabetes: A
Mitsuru Ohsugi1,2, Daisuke Nitta3, Yusuke Naito3
1Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo, Japan.
Aim:
To determine the epidemiological characteristics and risk factors for heart failure (HF) among Japanese patients with type 2 diabetes.
Methods:
A retrospective cohort analysis, using J-DREAMS database, was conducted from December 2015 to January 2020 with type 2 diabetes. The primary objectives were to describe patient characteristics stratified by HF history at baseline and new HF events during follow-up. The secondary objectives were to clarify the association between HF history or new HF events and clinical characteristics. The association between renal disease stage and HF was also studied.
Results:
Among 18,250 adult patients with type 2 diabetes, 3,613 (19.8%) patients had HF history and the mean age was 68.46 years, predominantly male (66.4%) with 13.32 years of mean duration of type 2 diabetes. Patients with HF history had a higher proportion of patients with nephropathy (51.2%) and coronary heart disease (55.6%) than those without HF history. Coronary heart disease (CHD) and deteriorating renal function were strongly associated with both HF history (CHD adjusted odds ratio [OR]: 7.41, 95% confidence interval [CI]: 6.05-9.08; eGFR G5 stage adjusted OR: 6.56, 95% CI: 2.97-14.49) and new HF events (CHD adjusted OR: 1.63, 95% CI: 1.17-2.29; eGFR G4 stage adjusted OR: 3.42, 95% CI: 1.81-6.47).
Conclusions:
Comorbidities, especially CHD and deteriorating renal function, were strongly associated with HF history and new HF events among Japanese patients with type 2 diabetes. The study results suggested the importance of early intervention to treat comorbidities and maintain renal function.
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