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  • 1995-1999  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Addiction biology 1 (1996), S. 0 
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In our society every second polytraumatized patient is a chronic alcoholic. A patient's alcohol-related history is often unavailable and laboratory markers are not sensitive or specific enough to detect alcohol-dependent patients who are at risk of developing alcohol withdrawal syndrome (AWS) during their post-traumatic intensive care unit (ICU) stay. Previously, it has been found that plasma levels of norharman are elevated in chronic alcoholics. We investigated whether β-carbolines, i.e. harman and norharman levels, could identify chronic alcoholics following trauma and whether possible changes during ICU stay could serve as a predictor of deterioration of clinical status. Sixty polytraumatized patients were transferred to the ICU following admission to the emergency room and subsequent surgery. Chronic alcoholics were included only if they met the DSM-III-R and ICD-10 criteria for alcohol dependence or chronic alcohol abuse/harmful use and their daily ethanol intake was ≥ 60 g. Harman and norharman levels were assayed on admission and on days 2, 4, 7 and 14 in the ICU. Harman and norharman levels were determined by high pressure liquid chromatography. Elevated norharman levels were found in chronic alcoholics (n = 35) on admission to the hospital and remained significantly elevated during their ICU stay. The area under the curves (AUC) showed that norharman was comparable to carbohydrate-deficient transferrin (CDT) and superior to conventional laboratory markers in detecting chronic alcoholics. Seventeen chronic alcoholics developed AWS; 16 of these patients experienced hallucinations or delirium. Norharman levels were significantly increased on days 2 and 4 in the ICU in patients who developed AWS compared with those who did not. An increase in norharman levels preceded hallucinations or delirium with a median period of approximately 3 days. The findings that elevated norharman levels are found in chronic alcoholics, that the AUC was in the range of CDT on admission and that norharman levels remained elevated during the ICU stay, support the view that norharman is a specific marker for alcoholism in traumatized patients. Since norharman levels increased prior to the onset of hallucinations and delirium it seems reasonable to investigate further the potential role of norharman as a possible substance which triggers AWS.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The primary aim of this study was to investigate whether the naturally occurring beta-carbolines norharman and harman differed between alcohol-dependent patients who developed alcohol withdrawal syndrome (AWS) and those who did not. The secondary aim was to determine whether different treatment regimens influenced the levels of the beta-carbolines. Thirty chronic alcoholics with carcinoma of the upper digestive tract were included in this study. They were prophylactically treated by two different medical regimens: flunitrazepam and clonidine (FNZ regimen) and gamma-hydroxybutyrate and clonidine (GHB regimen). Patients exceeding the Revised Clinical Institute Withdrawal Assessment for Alcohol Scale (CIWA-Ar) score of 20 were assigned to the AWS therapy group and received haloperidol in addition to their prevous prophylactic treatment. Patients without AWS remained in the prophylactic group. From days 1–4 of the intensive care unit (ICU) stay norharman, but not harman, was increased in the AWS therapy group. In the FNZ regimen, six of 16 patients (38%) and in the GHB regimen, nine of 14 patients (64%) developed AWS (p= 0.14). Norharman levels did not differ between the two regimens. However, harman levels were increased in the GHB treated regimen on days 1, 2 and 4 following admission to the ICU and correlated with the severity of alcohol withdrawal syndrome. As norharman was elevated in the therapeutically treated ICU patients, this marker appears to be involved in the pathogenesis of AWS. As harman was elevated before and during hallucinations on the GHB regimen, it seems reasonable to carry out further investigations into the potential role of harman as a hallucinatory substance.
    Type of Medium: Electronic Resource
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