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Metformin treatment in heart failure with preserved ejection fraction: a systematic review and meta-regression analysis
Halabi, A and Sen, J and Huynh, Q and Marwick, TH, Metformin treatment in heart failure with preserved ejection fraction: a systematic review and meta-regression analysis, Cardiovascular Diabetology, 19, (1) Article 124. ISSN 1475-2840 (2020) [Refereed Article]
© The Author(s) 2020. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/
Methods: MEDLINE and EMBASE were searched up to October 2019. Observational studies and randomised trials reporting mortality in HF patients and the proportion of patients with an EF > 50% at baseline were included. Other baseline variables were used to assess for heterogeneity in treatment outcomes between groups. Regression models were used to determine the interaction between metformin and subgroups on mortality.
Results: Four studies reported the proportion of patients with a preserved EF and were analysed. Metformin reduced mortality in both preserved or reduced EF after adjustment with HF therapies such as angiotensin converting enzyme inhibitors (ACEi) and beta-blockers (β = - 0.2 [95% CI - 0.3 to - 0.1], p = 0.02). Significantly greater protective effects were seen with EF > 50% (p = 0.003). Metformin treatment with insulin, ACEi and beta-blocker therapy were also shown to have a reduction in mortality (insulin p = 0.002; ACEi p < 0.001; beta-blocker p = 0.017), whereas female gender was associated with worse outcomes (p < 0.001).
Conclusions: Metformin treatment is associated with a reduction in mortality in patients with HFpEF.
|Item Type:||Refereed Article|
|Keywords:||diabetes mellitus, metformin, heart failure, ejection fraction|
|Research Division:||Biomedical and Clinical Sciences|
|Research Group:||Cardiovascular medicine and haematology|
|Research Field:||Cardiology (incl. cardiovascular diseases)|
|Objective Group:||Clinical health|
|Objective Field:||Clinical health not elsewhere classified|
|UTAS Author:||Marwick, TH (Professor Tom Marwick)|
|Web of Science® Times Cited:||26|
|Deposited By:||Menzies Institute for Medical Research|
|Downloads:||17 View Download Statistics|
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