Platelet hyperaggregability during alcohol withdrawal

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Abstract
Platelet function was assessed before and one week after acute alcohol withdrawal in eighteen male alcoholics. Compared to normal male controls, the platelets of the alcoholics were slightly hypoaggregable on admission but became hyperaggregable one week after commencement of alcohol withdrawal therapy. The changes were most noticeable in those patients who were alcoholaemic on admission and when using ADP or adrenaline as aggregating agents. There was no consistent change in platelet counts or in platelet adenine nucleotide levels, both of which were normal.