• Pekka Loisa, Ilkka Parviainen, Jyrki Tenhunen, Seppo Hovilehto, and Esko Ruokonen.
• Department of Intensive Care, Päijät-Häme Central Hospital, Keskussairaalankatu 7, Lahti, Finland. pekka.loisa@phsotey.fi
• Crit Care. 2007 Jan 1;11(1):R21.

IntroductionLow-dose hydrocortisone treatment is widely accepted therapy for the treatment of vasopressor-dependent septic shock. The question of whether corticosteroids should be given to septic shock patients by continuous or by bolus infusion is still unanswered. Hydrocortisone induces hyperglycemia and it is possible that continuous hydrocortisone infusion would reduce the fluctuations in blood glucose levels and that tight blood glucose control could be better achieved with this approach.MethodsIn this prospective randomized study, we compared the blood glucose profiles, insulin requirements, amount of nursing workload needed, and shock reversal in 48 septic shock patients who received hydrocortisone treatment either by bolus or by continuous infusion with equivalent dose (200 mg/day). Duration of hydrocortisone treatment was five days.ResultsThe mean blood glucose levels were similar in the two groups, but the number of hyperglycemic episodes was significantly higher in those patients who received bolus therapy (15.7 +/- 8.5 versus 10.5 +/- 8.6 episodes per patient, p = 0.039). Also, more changes in insulin infusion rate were needed to maintain strict normoglycemia in the bolus group (4.7 +/- 2.2 versus 3.4 +/- 1.9 adjustments per patient per day, p = 0.038). Hypoglycemic episodes were rare in both groups. No difference was seen in shock reversal.ConclusionStrict normoglycemia is more easily achieved if the hydrocortisone therapy is given to septic shock patients by continuous infusion. This approach also reduces nursing workload needed to maintain tight blood glucose control.

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