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Review: evidence for major benefits and harms of antidiabetic agents for diabetes with heart failure is limited

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A Johnson

Dr A Johnson, University of Alberta, Edmonton, Alberta, Canada; jeff.johnson@ualberta.ca

REVIEW PROCESS

Aim:

in patients with heart failure (HF) and diabetes, what is the relation between antidiabetic therapy and morbidity and mortality?

Search methods:

Medline (1966–2007), EMBASE/Excerpta Medica (1980–2007), Cochrane Central Register of Controlled Trials (1991–2007), 5 other databases, reference lists, and experts.

Study selection and assessment:

randomised controlled trials (RCTs) or cohort studies evaluating the association between antidiabetic drugs (insulin, metformin [MET], sulphonylurea [SU], and thiazolidinedione [TZD]) and hospital admission or all-cause mortality in patients with HF and diabetes. Quality assessment of individual studies was based on a validated checklist (maximum score 32; scores ⩾12 indicate acceptable quality). 8 studies met the selection criteria: 1 RCT, 2 posthoc …

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