Thermoregulation is an essential component to the stability and long-term outcomes of newborns and critically-ill neonates. A thermoneutral environment (TNE) is an environment in which a neonate maintains a normal body temperature while minimizing energy expenditure and oxygen consumption. Neonates who experience thermal stability within a TNE demonstrate enhanced growth, decreased respiratory support, decreased oxygen requirements, increased glucose stability, reduced mortality, and reduced morbidities associated with hyperthermia and hypothermia. Heat exchange occurs between the neonate and surrounding environment through four mechanisms: evaporation, conduction, convection, and radiation. By recognizing the methods by which heat is lost or gained, the neonatal provider can prevent adverse conditions related to abnormal thermal control and support a thermoneutral neonatal environment.
Keywords: assesment; heat exchange; hyperthermia; hypothermia; premature; thermoregulation.
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