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Clinical Trial Summary

Critically ill children, including children undergoing heart surgery, commonly develop elevated blood glucose (also known as "blood sugar") levels during their illness, which can lead to poor health outcomes and an increased risk of death. This study will examine the effectiveness of maintaining normal blood glucose levels at decreasing infections and improving recovery in young children undergoing heart surgery.


Clinical Trial Description

Children undergoing heart surgery are under significant bodily stress, which can lead to higher than normal or lower than normal blood glucose levels. A synthetic form of insulin, a naturally occurring hormone in the body, can be injected into people to normalize blood glucose levels. Insulin is most commonly used to treat people with diabetes, but it is also used in hospitals to control blood glucose levels in patients. Previous studies of adult intensive care unit (ICU) patients have shown that patients whose blood sugar levels are maintained at normal levels with the use of insulin contract fewer infections and are released more quickly from the ICU than patients who do not maintain normal blood glucose levels. This study will use a continuous blood glucose monitoring system to detect changes in blood glucose levels. Intravenous insulin infusions will be used to then safely maintain normal blood glucose levels. The purpose of this study is to determine if maintaining normal blood glucose levels during an ICU stay will help decrease the incidence of infections and improve surgical recovery in young children following heart surgery. This study will enroll children who are undergoing heart surgery that requires a cardiopulmonary bypass procedure. Participants will be randomly assigned to either a control group or the treatment group. All participants will receive usual care while in the ICU and will undergo continuous glucose monitoring. Participants in the treatment group will receive intravenous insulin infusions to keep their blood glucose within the normal range. While in the ICU, blood will be collected from all participants once a day for the first 3 days and then once a week to monitor glucose levels, hormone levels, and measurements of nutrition and immune function. On days 1 and 5 following surgery, participants who are on a ventilator will have their breath measured to monitor heart function and energy use. Thirty days and 1 year following surgery, study researchers will contact the participant's parent or doctor to collect information on health status and any new infections at the surgical site. Children who enroll in the study will be asked to participate in follow-up neurodevelopmental evaluations at 1 and 3 years of age to assess longer term cognitive effects of tight glycemic control in the ICU. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00443599
Study type Interventional
Source Boston Children's Hospital
Contact
Status Completed
Phase N/A
Start date November 2006
Completion date January 2014

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