CLINICAL STUDY: Cortisol concentrations, stress‐coping styles after withdrawal and long‐term abstinence in alcohol dependence

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Abstract
Alcohol-dependent patients face a substantial risk of relapse after detoxification. A major risk factor for relapse is stress which is reflected biologically by various physiological changes that include an activation of the hypothalamic-pituitary-adrenal (HPA) axis and release of glucocorticoids. The prospective study examined cortisol concentrations and stress-coping styles in relation to abstinence 1 year following discharge from treatment. Cortisol concentrations were measured in the plasma of 46 alcohol-dependent patients (12 women) on initial presentation for treatment (day 1), and again in plasma and in cerebrospinal fluid (CSF) after 6 weeks of abstinence (day 40). These results were compared with those of 26 age- and sex-matched, healthy control subjects. After withdrawal, the patients completed a comprehensive baseline assessment including a stress-coping questionnaire (Stressverarbeitungsfragebogen SVF120) and were monitored for 1 year after discharge. Negative stress-coping styles (e.g. flight, resignation) positively correlated with higher cortisol concentration in plasma and in CSF after withdrawal (day 40). Compared with relapsers after 1 year, abstainers had significantly lower levels for cortisol in CSF, whereas the stress-coping styles did not differ between abstainers and relapsers in this sample. These findings suggest that relatively stable personality traits like stress-coping styles have no measurable influence on abstinence. The lower cortisol concentration in CSF as an indicator for HPA axis functioning is associated with long-term abstinence in detoxified alcoholics.