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Unilateral asterixis
1Neurology Section, Loma Linda University School of Medicine, California 92350.
Bulletin of Clinical Neurosciences
|January 1, 1986
Summary
Unilateral asterixis, a neurological sign, strongly correlates with structural intracranial disease. While valuable for detection, it does not pinpoint the exact brain pathology or its cause.
Area of Science:
- Neurology
- Neuroscience
- Clinical Neurology
Background:
- Asterixis, characterized by sudden, brief, irregular muscle twitches, is typically associated with metabolic encephalopathies.
- Unilateral asterixis is an uncommon presentation, prompting investigation into its underlying causes and diagnostic significance.
Purpose of the Study:
- To investigate the correlation between unilateral asterixis and intracranial structural lesions.
- To determine the clinical utility of unilateral asterixis in neurological examinations.
Main Methods:
- Retrospective analysis of 18 cases presenting with unilateral asterixis.
- Correlation of clinical findings with neuroimaging results to identify intracranial pathology.
Main Results:
- A significant correlation was observed between unilateral asterixis and the presence of structural intracranial disease.
- The study found unilateral asterixis to be a valuable neurological sign.
Conclusions:
- Unilateral asterixis serves as an important indicator of underlying structural brain abnormalities.
- While indicative of disease, unilateral asterixis does not aid in the localization or etiological diagnosis of intracranial pathology.