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Continuous subcutaneous insulin infusion (CSII) therapy at Derby Teaching Hospitals: sustained benefits in glucose control.


  • Specialist Medicine

Document Type

Published Date

  • 2017-04


  • AIM: In the short term, continuous subcutaneous insulin infusion (CSII) has been associated with improved glycaemic control, reduced hypoglycaemia and improved quality of life (QOL). However, limited data are available on its long-term benefits, particularly in the UK. We aimed to assess the impact of CSII on longer term outcomes. METHOD: Patient-level data were obtained for CSII users at Derby Teaching Hospitals, UK. Patient confidence and satisfaction questionnaires using the Likert scale were used to assess confidence in self-management. Comparative statistics were conducted using Pearson's chi-square and Student's t-tests. RESULTS: Some 258 CSII users were identified (60.1% female, mean age 43.9 ± 13.4 years). Overall, there was significant decrease in HbA1c from 78 mmol/mol (9.3 ± 2.0%) at baseline, to 69 mmol/mol (8.5 ± 1.3%) at 6 months [mean difference (md): -0.64; 95% confidence interval (95% CI): -0.91 to -0.37; P < 0.0001]; which was sustained at 6 years of follow-up (HbA1c : 66 mmol/mol, 8.2 ± 1.3%; md: -1.07%; 95% CI: -1.45 to -0.69; P < 0.0001). One hundred and twenty-one patients (47%) responded to the survey, of whom 95 (78.5%) reported a reduction in the frequency of hypoglycaemia; 102 (84.3%) were satisfied with the quality of care received in the insulin pump service. CONCLUSION: CSII therapy led to a sustained long-term improvement in glycaemic control in addition to a reduction in self-reported hypoglycaemia.
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