New research has highlighted the effectiveness of standard care over tight blood sugar control in the intensive care unit for pediatric cardiac surgery patients,

"We found no benefits of tight glycemic control, but the reasons are unclear," says Gaies.
Gaies said that routine control of blood sugar levels in pediatric cardiac intensive care units is not straightforward as there are concerns about the effects of insulin-induced hypoglycemia on the developing brain.
Source-Medindia