Metformin Use in Practice: Compliance With Guidelines for Patients With Diabetes and Preserved Renal Function.

Salber GJ1, Wang YB2, Lynch JT3, Pasquale KM3, Rajan TV4, Stevens RG5, Grady JJ2, Kenny AM1.

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Abstract

IN BRIEF Several contraindications limit the use of metformin, most notably the risk of lactic acidosis. This article reports on an examination of a population of patients with diabetes with preserved renal function to evaluate provider compliance with guidelines on metformin use and to identify factors that contributed when practice diverged from recommendations. It found that metformin was withheld from approximately one-third of these patients because of 1) an existent contraindication to metformin, 2) patient behavior or preference, or 3) provider preference or bias based on patient or personal factors. Although providers generally follow current recommendations for the use of metformin, deviations from guidelines in practice are common.