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- W2519954174 abstract "Dexmedetomidine is commonly used for sedation in the Intensive Care Unit (ICU), and its use may be associated with hypotension. We sought to determine predictors of dexmedetomidine-associated hypotension.Retrospective, single-center study of 283 ICU patients in four adults ICUs over a 12 month period. Univariate analyses were performed to determine factors associated with dexmedetomidine-related hypotension. Risk factors significant at the 0.20 level in the univariate analysis were considered for inclusion into a step-wise multiple logistical regression model.Hypotension occurred in 121 (42.8%) patients with a median mean arterial pressure (MAP) nadir of 54 mmHg. Univariate analyses showed an association between hypotension and age (P = 0.03), Acute Physiology and Chronic Health Evaluation II (APACHE II) score (P = 0.02), baseline MAP (<0.001), admission to the cardiothoracic ICU (P = 0.05), history of coronary artery disease (P = 0.02), and postcardiac surgery (P = 0.0009). Admission to the medical ICU was associated with a decrease in development in hypotension (P = 0.03). There was a trend for hypotension with weight (P = 0.09) and history of congestive heart failure (P = 0.12) Only MAP prior to initiation (odds ratio [OR] 0.97, 95% confidence interval [95% CI] 0.95-0.99; P < 0.0001), APACHE II scores (OR 1.06, 95% CI 1.01-1.12; P = 0.017), and history of coronary artery disease (OR 0.48, 95% CI 0.26-0.90, P = 0.022) were independently associated with hypotension by multivariable analysis.Dexmedetomidine-associated hypotension is common. Preexisting low blood pressure, history of coronary artery disease, and higher acuity were identified as independent risk factors for dexmedetomidine-associated hypotension." @default.
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- W2519954174 date "2016-01-01" @default.
- W2519954174 modified "2023-10-04" @default.
- W2519954174 title "Predictors of dexmedetomidine-associated hypotension in critically ill patients" @default.
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- W2519954174 doi "https://doi.org/10.4103/2229-5151.190656" @default.
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