Insulin-treated diabetic patients with poor glycaemic control are frequently referred to diabetes specialist nurses, but little data exist as to the effectiveness of this practice. We therefore analysed the progress of 43 prospectively referred insulin-treated patients with glycosylated haemoglobin (HbA1c) levels > 7.5%. Diabetes nurse intervention involved re-education, dietary advice and insulin dose adjustment. Improvement in control was defined as a final HbA1c < 7.0% or a fall of HbA1c of > 1.0% at 6 months post-intervention. Almost two-thirds (63%) of patients achieved improvement status, with no increase in body weight or hypoglycaemic episodes. Disappointingly, however, the 'non-improver' group (37%) showed a mean deterioration in HbA1c. In conclusion, diabetes nurse intervention for poorly controlled insulin-treated diabetic patients is generally effective, but intervention may be best targeted to responsive patients. The factors which influence diabetic patients' 'responsiveness to change' require further investigation.
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Yong et al. (2002) studied this question.
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