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[Cerebellar hemorrhage and unilateral asterixis]
P Pullicino1, M Xuereb, B Farrugia
1Service de Médecine, Hôpital St-Luc et Université de Malte.
Revue Neurologique
|January 1, 1990
Summary
Asterixis, a motor disorder, was observed ipsilateral to a cerebellar hemorrhage in a hypertensive patient. This case suggests cerebellar lesions can cause asterixis by disrupting specific neural pathways.
Area of Science:
- Neurology
- Neuroscience
- Clinical Medicine
Background:
- Asterixis is typically associated with metabolic encephalopathies.
- Cerebellar lesions are not commonly linked to asterixis.
Observation:
- A hypertensive patient presented with asterixis on the same side as a cerebellar hemorrhage.
- This unilateral asterixis was ipsilateral to the cerebellar lesion.
Findings:
- This is the first reported case of asterixis associated with a cerebellar lesion.
- The asterixis may result from disrupted dentato-thalamo-cortical pathways.
Implications:
- Unilateral asterixis indicates a disruption in sustained muscle contraction mechanisms.
- This finding broadens the understanding of asterixis localization and its underlying pathophysiology.
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