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Diabetes Metab. 2002 Apr;28(2):133-7.

Comparison of blood glucose stability and HbA1C between implantable insulin pumps using U400 HOE 21PH insulin and external pumps using lispro in type 1 diabetic patients: a pilot study.

Author information

1
Service d'Endocrinologie, Hôpital Haut-Lévêque, avenue de Magellan, 33604 Pessac.

Abstract

BACKGROUND:

To assess the efficacy on blood glucose control of continuous peritoneal insulin infusion from implantable pump (CPII) compared with continuous subcutaneous infusion using insulin lispro (CSII-IL) in type 1 diabetic patients.

METHODS:

Fourteen type 1 diabetic patients (5 males and 9 women, age 50.6 +/- 12.8, diabetes duration 28.0 +/- 13.4 years) were treated with CSII-IL and CPII. Capillary blood glucose (BG) was monitored and recorded at least 4 times per day during 2 study periods of 45 days: using CSII-IL (period A), and from 45th to 90th day after implantation (period B). HbA1C was measured at the end of each period.

RESULTS:

Both daily BG levels (145 +/- 18 vs 153 +/- 17 mg/dl, p<0.01) and preprandial BG levels (139 +/- 20 vs 147 +/- 22 mg/dl, p<0.05) were lower in period B. Although postprandial BG values tended to be lower in period B, this reduction did not reach statistical significance (149 +/- 20 vs 157 +/- 16 mg/dl, p=0.07). Meanwhile, SD of all BG values was lower with CPII (69 +/- 11 vs 79 +/- 17 mg/dl, p<0.01) and HbA1c levels were lower at the end of period B (7.3 +/- 0.9 vs 7.8 +/- 0.9%, p=0.04). Low blood glucose index was comparable during both periods (2.8 +/- 1.6 vs 3.1 +/- 1.5, p=0.4).

CONCLUSION:

CPII may provide a better BG control and stability than CSII-IL. However, a long-term randomized prospective study is needed to confirm these improvements.

PMID:
11976565
[Indexed for MEDLINE]

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