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Tremor in chronic alcoholism.

W Koller, R O'Hara, W Dorus

|November 1, 1985

Summary

This summary is machine-generated.

Alcohol-related tremor, distinct from essential tremor, affects nearly half of abstinent alcoholics. This postural tremor is typically mild and responds well to propranolol treatment.

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Area of Science:

Neurology
Clinical Neuroscience

Background:

Essential tremor is a common neurological disorder characterized by involuntary rhythmic shaking.
Alcohol consumption has been anecdotally linked to tremor, but its specific characteristics and differentiation from other tremor types require further investigation.

Observation:

A study compared tremor prevalence and characteristics in 100 abstinent alcoholics, 100 controls, and 50 patients with essential tremor.
Postural tremor was observed in 47% of alcoholics, compared to only 3% of controls.

Findings:

Alcoholic tremor is generally mild, causing functional disability in only 17% of affected individuals.
Unlike essential tremor, alcoholic tremor showed no correlation with age or duration of alcohol consumption and had a low familial incidence (1%).
Tremor frequency was significantly higher in alcoholics than in essential tremor patients, and propranolol treatment demonstrated greater efficacy in reducing tremor in alcoholics.

Implications:

The findings suggest that alcoholic tremor is a distinct clinical entity separate from essential tremor.
Understanding these differences can aid in accurate diagnosis and targeted treatment strategies for patients presenting with tremor.