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Newer Sedative May Reduce Delirium in ICU Patients
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Page: << Prev | 1 | 2 Moreover, patients receiving dexmedetomidine spent less time on ventilators than patients receiving midazolam. Patients receiving midazolam remained on ventilators almost two days longer than those receiving dexmedetomidine (5.6 days vs. 3.7 days), Riker's group reports.
Patients receiving dexmedetomidine were more likely to experience a slow heartbeat, but were less likely to experience a rapid heartbeat or high blood pressure than those receiving midazolam, the researchers noted.
The reasons for these results are varied and not well-understood, Riker said. The drugs target different parts of the brain, which may account for some of the differences, he added.
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Riker thinks this study provides evidence that will get more physicians to use dexmedetomidine. "As we get more studies, I think it may potentially become a new standard of care," he noted.
However, Dr. John P. Kress, an assistant professor of medicine at the University of Chicago and co-author of an accompanying journal editorial, thinks dexmedetomidine may be appropriate for some patients, but it won't replace other drugs.
"Dexmedetomidine is one of many drugs that are out there as options," Kress said. "Do I think it should be used for everybody? No. Do I think it has the potential for more than a rare occasional patient? I think this study shows that that's the case."
Kress would also like to see a study of dexmedetomidine that could determine whether the drug improves long-term outcomes.
More information
For more information on critical care, visit the U.S. National Library of Medicine.
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Copyright © 2009 ScoutNews, LLC. All rights reserved.
Last updated 2/2/2009
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SOURCES: Richard R. Riker, M.D., clinical assistant professor, medicine, University of Vermont College of Medicine, and director, critical care research, Maine Medical Center, Portland; John P. Kress, M.D., assistant professor, medicine, University of Chicago; Feb. 4, 2009, Journal of the American Medical Association
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