What is the role of self-monitoring of blood glucose (SMBG) in type 2 diabetes mellitus (DM)?

Updated: Oct 07, 2020
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Daily SMBG is important for patients treated with insulin or insulin secretagogues to monitor for and prevent hypoglycemia, as well as to optimize the treatment regimen. The optimal frequency of SMBG for patients with type 2 diabetes is unresolved, but it should be sufficient to facilitate reaching glucose goals.

The author often utilizes no or minimal SMBG in patients using lifestyle changes alone or agents that do not cause hypoglycemia (eg, metformin, TZDs, glucosidase inhibitors). Patients using multiple insulin injections should use SMBG at least 3 times a day. [2]

A task force from the Endocrine Society evaluated the following potential uses for continuous glucose monitoring:

  • Real-time, continuous glucose monitoring in adults in hospital settings

  • Real-time outpatient monitoring in children and adolescents

  • Real-time outpatient monitoring in adults

The Task Force developed recommendations regarding benefits in maintaining target levels of glycemia and limiting the risk of hypoglycemia. [281]

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