Affiliation:
1. Diabetes Research Program, Departments of Medicine and Surgery, College of Medicine, University of California at Irvine Irvine, California
Abstract
Objective
–To compare intraperitoneal implantable insulin infusion (IP) to subcutaneous (SC) intensive insulin therapy.
Research Design and Methods
–Twenty-one insulin-dependent (type I) diabetic patients aged 24–61 yr underwent a 3-mo treatment optimization using multiple SC daily injections or external pumps. Patients were then randomized (time 0 mo) to IP infusion using Infusaid-programmable pumps or continuation on SC intensive insulin for 6 mo.
Results
–No differences were noted between study and control group data. However, longitudinal within-group comparisons from baseline showed that glycosylated hemoglobin improved to near-normal in both groups: IP, 9.0 ± 0.5 vs. 7.8 ± 0.6% (P < 0.05) and SC, 8.4 ± 0.5 vs. 7.5 ± 0.3% (P < 0.5) at 0 and 4 mo, respectively (normal < 6.9%). The percentage of blood glucose tests > 11 mM at 0 and 6 mo was 28 ± 5 vs. 16 ± 4% in the IP group (P < 0.05) and 22 ± 5 vs. 24 ± 7% in the SC group (NS). At 0 and 6 mo, the standard deviation of blood glucose values, an index of glycemic fluctuations, was 4.3 ± 0.4 vs. 3.2 ± 0.5 mM in the IP group (P < 0.05) and 3.7 ± 0.3 vs. 4.0 ± 0.4 mM in the SC group (NS). Weight, insulin dosages, circulating lipid levels, and the frequency of severe hypoglycemic reactions and biochemical hypoglycemias were similar and did not change in the two groups.
Conclusions
–IP-implantable pumps compared with SC intensive insulin therapy have similar effects on most metabolic variables and are equally effective at achieving near-normal glycemic levels. Only longitudinal data suggest that IP treatment may be more effective at limiting glycemic fluctuations.
Publisher
American Diabetes Association
Subject
Advanced and Specialized Nursing,Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
55 articles.
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