Quetiapine for delirium prophylaxis in high-risk critically ill patients |
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Authors: | Matthew P Abraham Melisande Hinds Isson Tayidi David R Jeffcoach James M Corder Leslie A Hamilton Christie M Lawson Reagan W Bollig R Eric Heidel Brian J Daley Jessica E Taylor James C McMillen |
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Institution: | 1. 1924 Alcoa Highway, The University of Tennessee Graduate School of Medicine, Knoxville, TN, 37920, USA;2. 1924 Alcoa Highway, Box 41, Department of Pharmacy, The University of Tennessee Medical Center, Knoxville, TN, 37920, USA;3. 1924 Alcoa Highway, Box U-11, Department of Surgery, Division of Trauma & Critical Care Surgery, The University of Tennessee Medical Center, Knoxville, TN, 37920, USA |
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Abstract: | BackgroundDelirium is common in patients admitted to the surgical trauma intensive care unit (ICU), and the risk factors for these patients differ from medical patients. Given the morbidity and mortality associated with delirium, efforts to prevent it may improve patient outcomes, but previous efforts pharmacologically have been limited by side effects and insignificant results. We hypothesized that scheduled quetiapine could reduce the incidence of delirium in this population.MethodsThe study included 71 adult patients who were at high-risk for the development of delirium (PRE-DELIRIC Score ≥50%, history of dementia, alcohol misuse, or drug abuse). Patients were randomized to receive quetiapine 12.5 mg every 12 h for delirium or no pharmacologic prophylaxis within 48 h of admission to the ICU. The primary end point was the incidence of delirium during admission to the ICU. Secondary end points included time to onset of delirium, ICU and hospital length of stay (LOS), ICU and hospital mortality, duration of mechanical ventilation, and adverse events.ResultsThe incidence of delirium during admission to the ICU was 45.5% (10/22) in the quetiapine group and 77.6% (38/49) in the group that did not receive pharmacological prophylaxis. The mean time to onset of delirium was 1.4 days for those who did not receive prophylaxis versus 2.5 days for those who did (p = 0.06). The quetiapine group significantly reduced ventilator duration from 8.2 days to 1.5 days (p = 0.002).ConclusionsThe findings suggested that scheduled, low-dose quetiapine is effective in preventing delirium in high-risk, surgical trauma ICU patients. |
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Keywords: | Delirium Quetiapine Surgery Intensive care unit |
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