Intensity of statin therapy and new hospitalizations for heart failure in patients with type 2 diabetes

Ichiro Kishimoto, Hisashi Makino, Yoko Ohata, Tamiko Tamanaha, Mayu Tochiya, Toshihisa Anzai, Kengo Kusano, Teruo Noguchi, Satoshi Yasuda, Hisao Ogawa

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Objective: To examine a relationship between statin intensity and heart failure (HF) incidence in diabetes. Research design and methods: We performed a retrospective cohort study of patients with type 2 diabetes (n=600; age, 66.3 years; men, 68%). Patients were categorized into three groups by baseline statin treatments—moderate-intensity, low-intensity, or no statin—and the independent association between the statin category and HF hospitalization during follow-up was examined. Results: Over the course of the median 6-year follow-up, 17.7% of the patients were hospitalized for HF. Cox regression analysis revealed a significant association between the baseline statin category and HF incidence (p=0.002), independently of age, sex, hypertension, B-type natriuretic peptide, glycated hemoglobin, estimated glomerular filtration rate, and low-density lipoprotein (LDL) cholesterol levels. The moderate-intensity statin group had a significantly lower risk for HF than the low-intensity statin group with an adjusted HR of 0.31 (95% CI 0.13 to 0.65, p=0.0014). Interestingly, among patients with prevalent coronary artery diseases (CAD) and with baseline LDL controlled to less than 100 mg/dL, the frequency of HF was still significantly lower in the moderate-intensity group than in the low-intensity group or the no statin group. The effect of baseline statin category on HF was independent of incident CAD events during follow-up. Conclusions: In type 2 diabetes, moderate-intensity statins, in comparison to low-intensity or no statin, were associated with lower HF incidence independently of LDL levels or of CAD events.

Original languageEnglish
Article numbere000137
JournalBMJ Open Diabetes Research and Care
Volume3
Issue number1
DOIs
Publication statusPublished - 2015 Oct 29
Externally publishedYes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism

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