• A J Krentz, P J Hale, B M Singh, and M Nattrass.
• Diabetic Clinic, General Hospital, Birmingham, UK.
• Diabet. Med. 1989 Jan 1;6(1):31-6.

AbstractDuring the treatment of diabetic ketoacidosis intravenous glucose is infused when blood glucose has fallen to around 14 mmol l-1. The use of hypertonic (10%) glucose has been recommended in order to hasten the clearance of blood ketone bodies. In a randomized controlled study 17 patients presenting with severe diabetic ketoacidosis were allocated to one of two regimens of intravenous glucose and insulin when blood glucose had fallen to less than 14 mmol l-1. Nine patients were given 5% glucose containing 10 U l-1 insulin and 8 patients received 10% glucose with 40 U l-1 insulin. Fluid was infused at a rate of 250 ml h-1 for 6 h. At the start of the infusions blood glucose had fallen from levels at presentation to 12.8 +/- 1.1 mmol l-1 (mean +/- SE) in the group which subsequently received the low infusion rate and to 13.7 +/- 0.9 mmol l-1 in the subsequent high infusion rate group. With glucose/insulin infusion blood glucose after 6 h was 11.5 +/- 0.9 mmol l-1 (low infusion rate group) and 15.7 +/- 1.3 mmol l-1 (high infusion rate group). This difference between groups at 6 h was significant (p less than 0.05). Over the 6 h of infusion the fall in blood total ketone bodies was significantly greater in the group receiving the higher rate of glucose/insulin infusion (7.34 +/- 0.57 vs 5.18 +/- 0.57 mmol l-1; p less than 0.05). Despite the greater fall in total ketone bodies in this group there was no difference in the improvement in capillary blood pH or bicarbonate.(ABSTRACT TRUNCATED AT 250 WORDS)

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