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ST-segment changes and biochemical signs of myocardial injury, and their relation to sympatho-adrenergic activation and cardiac function, were studied in a case series of 19 alcohol-dependent (DSM-III-R) men undergoing in-hospital treatment for alcohol withdrawal. No patient had any clinically apparent heart disease. Analyses of ST-segment depressions &gt; or = 0.1 mV from 24 h ambulatory electrocardiographic recordings revealed horizontal or downsloping ST-segment depressions in seven of the patients. The serum concentration of creatine kinase (CKMB) the day after admission correlated with the urinary excretion of adrenaline (r = 0.74, P &lt; 0.001) and noradrenaline (r = 0.71, P &lt; 0.001). In the two patients with the highest adrenaline excretion and the highest serum concentrations of CKMB and cardiac troponin T, horizontal ST-segment depressions were detected as well. The left ventricular ejection fraction was &gt; or = 0.65 (range 0.65-0.79) in all of the 17 alcoholic men who were examined by echocardiography. Our study shows that alcohol withdrawal is frequently associated with ST-segment abnormalities in men without impairment of heart function and that sympatho-adrenergic activation during withdrawal seems to influence the release of myocardial enzymes. Alcohol withdrawal should thus be considered a condition in which acute cardiac complications may be expected in susceptible individuals.

ST-SEGMENT CHANGES AND CATECHOLAMINE-RELATED MYOCARDIAL ENZYME RELEASE DURING ALCOHOL WITHDRAWAL