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Medline ® Abstract for Reference 30

of 'Treatment of hypertension in patients with diabetes mellitus'

30
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Outcomes of combined cardiovascular risk factor management strategies in type 2 diabetes: the ACCORD randomized trial.
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Margolis KL, O'Connor PJ, Morgan TM, Buse JB, Cohen RM, Cushman WC, Cutler JA, Evans GW, Gerstein HC, Grimm RH Jr, Lipkin EW, Narayan KM, Riddle MC Jr, Sood A, Goff DC Jr
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Diabetes Care. 2014 Jun;37(6):1721-8. Epub 2014 Mar 4.
 
OBJECTIVE: To compare effects of combinations of standard and intensive treatment of glycemia and either blood pressure (BP) or lipids in the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial.
RESEARCH DESIGN AND METHODS: ACCORD enrolled 10,251 type 2 diabetes patients aged 40-79 years at high risk for cardiovascular disease (CVD) events. Participants were randomly assigned to hemoglobin A1c goals of<6.0% (<42 mmol/mol; intensive glycemia) or 7.0-7.9% (53-63 mmol/mol; standard glycemia) and then randomized a second time to either 1) systolic BP goals of<120 mmHg (intensive BP) or<140 mmHg (standard BP) or 2) simvastatin plus fenofibrate (intensive lipid) or simvastatin plus placebo (standard lipid). Proportional hazards models were used to assess combinations of treatment assignments on the composite primary (deaths due to CVD, nonfatal myocardial infarction [MI], and nonfatal stroke) and secondary outcomes.
RESULTS: In the BP trial, risk of the primary outcome was lower in the groups intensively treated for glycemia (hazard ratio [HR]0.67; 95% CI 0.50-0.91), BP (HR 0.74; 95% CI 0.55-1.00), or both (HR 0.71; 95% CI 0.52-0.96) compared with combined standard BP and glycemia treatment. For secondary outcomes, MI was significantly reduced by intensive glycemia treatment and stroke by intensive BP treatment; most other HRs were neutral or favored intensive treatment groups. In the lipid trial, the general pattern of results showed no evidence of benefit of intensive regimens (whether single or combined) compared with combined standard lipid and glycemia treatment. The mortality HR was 1.33 (95% CI 1.02-1.74) in the standard lipid/intensive glycemia group compared with the standard lipid/standard glycemia group.
CONCLUSIONS: In the ACCORD BP trial, compared with combined standard treatment, intensive BP or intensive glycemia treatment alone improved major CVD outcomes, without additional benefit from combining the two. In the ACCORD lipid trial, neither intensive lipid nor glycemia treatment produced an overall benefit, but intensive glycemia treatment increased mortality.
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HealthPartners Institute for Education and Research, Minneapolis, MN karen.l.margolis@healthpartners.com.
PMID