Glycemic Control in Type 2 Diabetes: Time for an Evidence-Based About-Face?
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Some diabetes guidelines set low glycemic control goals for patients with type 2 diabetes mellitus (such as a hemoglobin A(1c) level as low as 6.5% to 7.0%) to avoid or delay complications. Our review and critique of recent large randomized trials in patients with type 2 diabetes suggest that tight glycemic control burdens patients with complex treatment programs, hypoglycemia, weight gain, and costs and offers uncertain benefits in return. We believe clinicians should prioritize supporting well-being and healthy lifestyles, preventive care, and cardiovascular risk reduction in these patients. Glycemic control efforts should individualize hemoglobin A(1c) targets so that those targets and the actions necessary to achieve them reflect patients' personal and clinical context and their informed values and preferences.
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