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Delirium in the Pediatric Critical Care Oncologic Patient

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Abstract

Delirium is an acute and fluctuating change in cognition and attention that arises as a result of underlying physical illness. In critically ill children, delirium is a prevalent, yet underrecognized complication of hospitalization. Pediatric oncologic patients are at particularly high risk of developing delirium. This condition arises as a result of three intersecting triggers: the patient’s primary medical illness, the side effects of treatment(s) for that illness, and the highly abnormal environment of the intensive care unit. A number of intrinsic and modifiable risk factors for delirium are known, allowing medical teams to identify patients who are most susceptible. Three clinical subtypes of delirium have been described – hyperactive, hypoactive, and mixed – with the hypoactive being the most common and also the most dangerous. Pediatric delirium may be diagnosed by psychiatric evaluation or by a validated screening tool. Attention to preventing, diagnosing, and treating delirium is imperative, as delirium is associated with a number of negative sequelae including increased length of hospitalization, psycho-emotional stress, and mortality. However, with prompt treatment, the vast majority of delirium cases are reversible.

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Ariagno, S.N., Traube, C. (2020). Delirium in the Pediatric Critical Care Oncologic Patient. In: Nates, J., Price, K. (eds) Oncologic Critical Care. Springer, Cham. https://doi.org/10.1007/978-3-319-74588-6_198

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