Detection, Prevention, and Management of Delirium in the Critically Ill Cardiac Patient and Patients Who Undergo Cardiac Procedures.

Arora RC, Djaiani G, Rudolph JL. Detection, Prevention, and Management of Delirium in the Critically Ill Cardiac Patient and Patients Who Undergo Cardiac Procedures. The Canadian Journal of Cardiology. 2017 Jan 1; 33(1):80-87.

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Abstract:

Delirium is an acute change in cognitive functioning, characterized by inattention and associated with alterations in awareness and fluctuation in arousal, disorganized thinking, or altered level that preferentially affects older adult patients. In the acutely ill cardiac patient, the incidence of delirium has been reported as high as 73%, depending on the type and sensitivity of delirium assessment. Cardiac patients with delirium experience higher rates of in-hospital and longer-term mortality and are at risk for progressive cognitive impairment, loss of functional independence, and increased hospitalization costs. As such, delirium represents an undesirable outcome in cardiac patients. Care improvements such as identifying risk of delirium at time of admission or in the preoperative setting; training cardiologist, surgeons, anaesthesiologists and nurses to screen for delirium; implementing delirium prevention programs; and developing standardized delirium treatment protocols might reduce the incidence of delirium and its associated morbidity.