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J Diabetes Sci Technol
2014[Sep]; 8
(5
): 1035-41
PMID24876436
show ga
Matching meal insulin to carbohydrate intake, blood glucose, and activity level
is recommended in type 1 diabetes management. Calculating an appropriate insulin
bolus size several times per day is, however, challenging and resource demanding.
Accordingly, there is a need for bolus calculators to support patients in insulin
treatment decisions. Currently, bolus calculators are available integrated in
insulin pumps, as stand-alone devices and in the form of software applications
that can be downloaded to, for example, smartphones. Functionality and complexity
of bolus calculators vary greatly, and the few handfuls of published bolus
calculator studies are heterogeneous with regard to study design, intervention,
duration, and outcome measures. Furthermore, many factors unrelated to the
specific device affect outcomes from bolus calculator use and therefore bolus
calculator study comparisons should be conducted cautiously. Despite these
reservations, there seems to be increasing evidence that bolus calculators may
improve glycemic control and treatment satisfaction in patients who use the
devices actively and as intended.