Abstract
Eleven alcoholics with cerebellar degeneration (eight with computerized tomography confirmation of cerebellar atrophy) were matched with nonataxic alcoholics and nonalcoholics. There were no laboratory or physiological markers for ataxia, including hemoglobin A1a + b, red blood cell transketolase, liver function enzymes, and measures of reaction time and hand-eye coordination. Acetaldehyde-modified hemoglobin levels (as hemoglobin A1a + b) did not, as previously reported, distinguish between alcoholics and nonalcoholics. There was 24% less annual alcohol consumption in ataxic alcoholics compared with nonataxic alcoholics, 9% less lifetime consumption in ataxic alcoholics, and 33% less maximal daily intake. The finding that ataxic alcoholics do not have higher alcohol consumption than nonataxic alcoholics suggests that alcoholic cerebellar degeneration is not a dose-dependent phenomenon, and that alcoholics with cerebellar degeneration may have an idiosyncratic sensitivity to the neuronal effects of alcohol.
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