Midazolam use in the emergency department |
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Authors: | S W Wright C R Chudnofsky S C Dronen M B Wright S W Borron |
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Affiliation: | Department of Emergency Medicine, University of Cincinnati Medical Center, OH 45267-0769. |
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Abstract: | Midazolam is the first water-soluble benzodiazepine. As with other benzodiazepines it has amnestic, sedative, hypnotic, anxiolytic, and anticonvulsant properties. Midazolam is about two to four times more potent than diazepam. Midazolam has been extensively used for a variety of outpatient procedures, but there has been no documentation of its safety in emergency department patients. The authors retrospectively reviewed all patients receiving midazolam during a 2-year period at the University of Cincinnati Center for Emergency Care. The study population consisted of 389 patients (men 56%; women 44%) with an average age of 33.3 years. Midazolam was used intravenously for sedation before a wide variety of painful procedures and for agitation control. The average dose was 3.86 mg, with a range of 0.5 mg to 20.0 mg. The majority of patients (79.2%) received narcotics or sedative/hypnotic agents in addition to midazolam. There was an overall complication rate of 1.0%. Two patients (0.5%) developed clinically significant respiratory depression after midazolam use. Both patients had also received fentanyl citrate and the respiratory depression was reversed with naloxone. Two patients (0.5%) receiving several other drugs developed short periods of hypotension. There were no apparent long term sequelae. The authors conclude that midazolam can be safely used in the emergency department setting. Careful dosing and titration to the desired clinical effects is mandatory. Patients should be closely monitored to maximize safety. |
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