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[Essential tremor: a follow-up study]
1Neurologische Universitätsklinik, Bern.
Schweizer Archiv Fur Neurologie Und Psychiatrie (Zurich, Switzerland : 1985)
|January 1, 1988
Summary
This study confirms essential tremor diagnosis in most patients and finds no direct link to Parkinson's disease, though some extrapyramidal signs may co-occur.
Area of Science:
- Neurology
- Movement Disorders
Context:
- Essential tremor (ET) is a common neurological disorder.
- Distinguishing ET from other conditions like Parkinson's disease is clinically important.
Purpose:
- To evaluate the diagnostic accuracy of essential tremor.
- To investigate potential correlations between essential tremor and Parkinson's disease.
Summary:
- Of 41 patients diagnosed with essential tremor, 39 confirmed diagnoses.
- A positive family history for ET was noted in 61% of patients.
- No evidence found for a correlation between ET and Parkinson's disease, though some extrapyramidal signs were observed in ET patients.
Impact:
- Clarifies diagnostic criteria for essential tremor.
- Provides evidence against a direct causal link between ET and Parkinson's disease.
- Highlights the potential for overlapping clinical signs.