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Clinical Trial Summary

This is an unblinded, single center, randomized study of infants with congenital heart disease undergoing cardiopulmonary bypass surgery, randomized to either the delayed rewarming intervention or to the standard of care (strict normothermia).


Clinical Trial Description

Control Group:

The congenital heart surgery will be performed according to usual practice with the degree of intra-operative hypothermia determined by the cardiothoracic surgeon based on the anticipated complexity of the case. Following completion of the surgical procedure, the infant will be rapidly rewarmed on CPB at a rate of 0.2 to 0.3°C per minute to a normothermic temperature of 36.5°C. Infants in this group will be given a single weight-based 15 mg/kg dose of intravenous Tylenol in the operating room (OR) by the anesthesiologist as the chest is being closed. The infant will be transported to the Pediatric Intensive Care Unit (PICU) for routine post-operative monitoring. If the infant develops a fever, ice packs will be applied to the axilla and groin per usual routine and removed once the fever has abated.

Experimental group:

Partial rewarming will occur on CPB to 35°C. During the last hour of surgery, the infant's temperature will be maintained at 35°C while the chest is closed by using a BairHugger and lowering the room temperature. Transfusions of packed red blood cells, fresh frozen plasma and cryoprecipitate will not be automatically warmed. Infants will be given a single 15 mg/kg dose of IV Tylenol in the OR. The infant will be transported to the PICU at 35°C and placed on the temperature-regulating blanket. The infant will be incrementally rewarmed with increases in temperature of 0.3°C every 2 hours for 6 hours, then 0.2°C every 2 hours for 6 hours to the goal temperature of 36.5°C. Once the infant is stable, EEG will be performed for 48 hours to screen for seizures. The PI will interpret the EEG every 6-8 hours. The infant will remain on the blanket at 36.5°C for another 12 hours. The blanket and esophageal temperature probe will then be removed a total of 24 hours after surgery was completed. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03036072
Study type Interventional
Source Maine Medical Center
Contact
Status Completed
Phase N/A
Start date May 2016
Completion date May 2019

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