Clinical pediatrics
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Apnea of prematurity (AOP) is a common problem that affects premature infants and, to a lesser degree, term infants. Apnea of prematurity appears to be due to immaturity of the infant's neurologic and respiratory systems. Apnea of prematurity is a diagnosis of exclusion that can be made only when other possible infectious, cardiologic, physiologic, and metabolic causes of apnea have been ruled out. ⋯ In addition, because of stable plasma levels, caffeine has a wide therapeutic margin and few side effects. In contrast, theophylline plasma levels may fluctuate widely, which necessitates frequent monitoring and has a higher incidence of adverse events than caffeine. Before the FDA approval of caffeine citrate (Cafcit) for administration either intravenously and/or orally, caffeine preparations were "homemade." A few studies suggest that use of pharmacotherapy to treat AOP is not generally associated with long-term sequelae, although more data are needed before this can be definitively concluded.