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Metabolism. 2009 Apr;58(4):488-91. doi: 10.1016/j.metabol.2008.11.006.

Utilization of an abbreviated diabetes impact management scale to assess change in subjective disability during a trial of pulsatile insulin delivery demonstrates benefit.

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Joslin Diabetes Center, Boston, MA 02215, USA.


A prospective interventional study of pulsatile intravenous insulin infusion therapy has demonstrated reduction of left ventricular mass and blunting of progression of diabetic nephropathy. We anticipated that improvements in objective parameters would be associated with similar improvement measurable by the self-administered Diabetes Impact Management Scale (DIMS). The DIMS was administered at baseline and 12 months for 19 participants randomized to receive either standard insulin treatment of 3 to 4 injections of insulin daily or insulin treatment plus an additional day per week of 3 intravenous pulses over an 8-hour period. For standard vs pulsed intravenous insulin therapy, mean baseline scores were similar for the 12 total questions as well as the groups of 7 questions with emotional content and 5 with physical (neurologic) content. Mean study group scores at 1 year and changes over 1 year were not significantly different for the 7 questions with emotional content (P = .3143, .7574). Score results for the 5 questions related to neurologic status at 1 year and changes over 1 year were significantly different between patients with standard and with pulsed insulin therapy (P = .0144, 0.0004). Pulsatile intravenous insulin, when added to standard multiple-dose insulin therapy, was demonstrated to improve subjective perception of neurologic disability on repeated use of an abbreviated form of the DIMS.

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