Diagnosis and management of delirium in critically ill infants: Case report and review

Khyati Brahmbhatt, Emily Whitgob

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Delirium in children is common but not widely understood by pediatric practitioners, often leading to underdiagnosis and lack of treatment. This presents a significant challenge in the young patients in the PICU who are most at risk for delirium and in whom the core features of delirium are difficult to assess and treat. However, because of the potential increased morbidity and mortality associated with untreated delirium in adults and children, it remains important to address it promptly. The literature for delirium in this age group is limited. Here we present the case of an infant with multiple underlying medical risk factors who exhibited waxing and waning motor restlessness with disrupted sleep-wake cycles contributing significantly to destabilization of vital parameters. Making a diagnosis of delirium was key to guiding further treatment. After appropriate environmental interventions are implemented and underlying medical causes are addressed, antipsychotic medications, although not Food and Drug Administration-approved in infants, are the mainstay of pharmacotherapy for delirium in older age groups. They may lengthen corrected QT interval (QTc) intervals, presenting a challenge in infants who frequently have other coexisting risks for QTc prolongation, as in our case. The risk from QTc prolongation needs to be balanced against that from untreated delirium. Low doses of risperidone were successfully used in this patient and without side effects or worsening of QTc interval. This case illustrates the importance of increased recognition of delirium in children, including infants, and the role for cautious consideration of atypical antipsychotics in the very young.

Original languageEnglish (US)
Article numbere20151940
JournalPediatrics
Volume137
Issue number3
DOIs
StatePublished - Mar 1 2016
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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