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Essential tremor

Canadian Medical Association Journal

|June 15, 1981

Summary

This summary is machine-generated.

Essential tremor, a disorder of the physiologic tremor servomechanism, commonly affects the hands and arms. While propranolol offers some benefit, effective long-term treatments and measurement tools for essential tremor remain elusive.

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Area of Science:

Neurology
Physiology
Biomedical Engineering

Background:

Essential tremor is a common neurological disorder characterized by involuntary rhythmic shaking.
It can manifest in various forms, including juvenile and senile variations.
The underlying cause may involve a dysfunction in the servomechanism regulating physiologic tremor.

Purpose of the Study:

To review the current understanding of essential tremor.
To discuss existing and potential treatment modalities.
To identify unmet needs in tremor measurement and management.

Main Methods:

Literature review of essential tremor research.
Analysis of treatment efficacy for various interventions.
Discussion of diagnostic and measurement challenges.

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Main Results:

Essential tremor commonly affects the hands and arms, with variable amplitude and frequency.
Propranolol shows some long-term efficacy, but older patients may not benefit.
Other pharmacological and behavioral therapies have limited success.

Conclusions:

Surgical intervention is effective for severe essential tremor cases.
There is a need for improved instruments to measure tremor objectively and subjectively.
Development of effective long-term treatment strategies for essential tremor is still required.