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  • 1995-1999  (2)
  • 1975-1979
  • 1900-1904
  • Benzodiazepine  (2)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Intensive care medicine 25 (1999), S. 852-854 
    ISSN: 1432-1238
    Schlagwort(e): Key words Agitated patients ; Mass spectrometry ; Benzodiazepine ; Alcohol ; Selective serotonin reuptake inhibitor ; Emergency department
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Objective: To assess the toxicological etiologies in agitated patients and to evaluate their initial clinical diagnosis in the light of toxicological results analysis. Design: Prospective clinical study. Setting: Emergency Department (ED) in a 2,650-bed University Hospital. Patients: Fifty-eight consecutively enrolled patients admitted to the ED in agitated states over a 6-month period. Measurements and results: All patients underwent laboratory tests including blood glucose, ethanol and serum drug screening. Toxicology tests were conducted by fluorescence polarization immunoassay and confirmed by high performance liquid chromatography/diode array detector and gas chromatography-mass spectrometry. The physician's initial diagnosis was evaluated in the light of toxicological analysis results. Serum toxicological analysis revealed that 50/58 patients were under the influence of alcohol and/or a drug. Benzodiazepines (22/58), selective serotonin reuptake inhibitors (5/58) and opiates (4/58) were the most frequently observed. The initial clinical diagnosis was alcohol intoxication in 39 patients, although 1 patient was not under the influence of alcohol and 16 also had benzodiazepine in their sera. Moreover, the diagnosis of serotonin syndrome was overlooked in two patients. Conclusion: Most agitated patients were under the influence of alcohol and/or a drug. Benzodiazepine alone or in association with alcohol was surprisingly frequent. A serotonin syndrome may explain the agitation state.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Psychopharmacology 126 (1996), S. 260-270 
    ISSN: 1432-2072
    Schlagwort(e): Benzodiazepine ; Lorazepam ; Human ; Visual perception ; Oculomotor balance ; Integration processes ; Symmetry perception
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Previous studies have shown a lorazepam effect on visual perception. We tested whether this impairment resulted from a peripheral effect induced by benzodiazepines. A first experiment showed that a single dose of lorazepam induces an oculomotor imbalance without impairing visual acuity or accommodation. In a second experiment, we tested whether the impairment induced by lorazepam on visual perception still occurred in monocular vision. Subjects matched incomplete forms controlled on the spacing and alignment of their local contour elements. A reference object was first displayed and followed by two laterally displayed objects, a target and a distractor. The distractor was the mirror-reversed version of the target. Performance was impaired in the lorazepam group when the reference was an incomplete form with a spacing of 10.8' or 22.2' of arc. These results were not correlated with sedation. They confirm that lorazepam has a central deleterious effect on visual perception. A posthoc analysis also suggested that lorazepam-treated subjects used asymmetry in the stimuli as a compensatory strategy. This result is discussed in relation to previous hypotheses about the physiological mechanisms that determine the effects of lorazepam on visual perception.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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