• K J Millar, R R Thiagarajan, and P C Laussen.
• Intensive Care Unit, Royal Children's Hospital, Flemington Road, Parkville, Victoria 3052, Australia. johnny.millar@rch.org.au
• Pediatr Cardiol. 2007 May 1;28(3):176-82.

AbstractIn recent years, it has been our practice to treat persistent hypotension in the cardiac intensive care unit with glucocorticoids. We undertook a retrospective review in an attempt to identify predictors of a hemodynamic response to steroids and of survival in these patients. Patients who had received glucocorticoids for hypotension over a 2-year period were identified retrospectively. Summary measures of blood pressure, heart rate, urine output, inotrope score, and volume of infused fluid were calculated for the 12 hours before and the 24 hours following initiation of glucocorticoid therapy. A hemodynamic response was defined as a > or =20% increase in mean blood pressure without an increase in inotrope score following initiation of steroid therapy. Fifty-one patients were included, of whom 6 (11.8%) died. Serum cortisol was measured in 43 patients (84.3%) and was below the lower limit of normal (<5 microg/dl) in 20 of these (46.5%). Following initiation of steroid therapy, blood pressure and urine output increased, whereas heart rate, inotrope score, and infused volume decreased. There were 21 (41.1%) hemodynamic responders, all of whom survived, whereas 6 of 30 (20%) nonresponders died (p = 0.036). No predictors of a hemodynamic response to steroid were identified. Some critically ill children with cardiac disease and inotrope refractory hypotension demonstrated hemodynamic improvement following glucocorticoid administration. An improvement in blood pressure following administration of glucocorticoid was associated with survival, but we were unable to identify predictors of that response.

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