Factors affecting delirium after pediatric cardiac surgery

I read with interest the report by Alvarez et al.1 The authors performed an observational study on 99 patients undergoing cardiac surgery and concluded that delirium is common in patients in the pediatric cardiac intensive care unit and is associated with longer length of stay. The authors should be congratulated for their well-designed study on an important topic in hospitalized subjects.2,3 In addition, the current emphasis on the need to reduce healthcare costs by reducing length of stay makes the topic relevant in perioperative medicine.

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