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The New Zealand Primary Care Handbook 2012 provides the following information on the benefits of self-monitoring. Benefits of self-monitoring blood glucose (SMBG) by people with type 2 include:
assisting patients and health practitioners in adjustment of insulin or other medication
encouraging self-empowerment
promoting better self-management behaviours
However, self-monitoring may fail to improve diabetes control and negative psychological outcomes have been reported in some studies. See Table 30 of the NZ Primary Care Handbook for guidance on when SMBG is recommended.
Similarly, a Best Practice Advocacy Centre (BPAC) (2007) article provides guidance on who should be self-monitoring their blood glucose and notes that ‘any component of a treatment plan that is both invasive and expensive needs to result in an improved clinical outcome. Gathering information about blood glucose levels is only useful when it can be used to improve clinical outcomes’(p 14). The article suggests that when done effectively SMBG can increase awareness and adherence, can empower and reassure. However, a continual reminder of less than optimum control can lead to uncertainty, frustration, guilt and anxiety. If the results are not being appropriately used by doctors, nurses (and patients themselves) this can lead to discouragement and a lack of motivation.
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