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Haemorrhagic pure motor stroke
A Arboix1, L García-Eroles, J Massons
1Cerebrovascular Division, Department of Neurology, Hospital Universitari del Sagrat Cor, Universitat de Barcelona, Barcelona, Spain. aarboix@hscor.com
Abstract:
To describe the clinical characteristics of haemorrhagic pure motor stroke (PMS). Twelve patients with haemorrhagic PMS were identified. Haemorrhagic PMS accounted for 3.2% of all cases of pure motor hemiparesis (n = 380) and 3.3% of intracerebral haemorrhage (n = 364) entered in the database. When compared with PMS of ischaemic origin, patients with haemorrhagic PMS were more likely to be younger (62.2 vs. 75.2 years, P = 0.003) and to have headache (33% vs. 6.3%, P =0.007) and thalamus involvement (25% vs. 2.4%, P = 0.005). Limb weakness (100% vs. 74.1%; P = 0.03), involvement of the internal capsule (50% vs. 17.3%, P = 0.012) and symptom free at discharge (25% vs. 3.7%, P = 0.012) were significantly more frequent in patients with haemorrhagic PMS than in the remaining cases of haemorrhagic stroke, whereas nausea and vomiting (0% vs. 25.9%, P = 0.03), altered consciousness (0% vs. 42.9%, P = 0.001), sensory symptoms (8.3% vs. 46.9%, P =0.007) and ventricular haemorrhage (0% vs. 26.1%, P = 0.028) were significantly less frequent. Haemorrhagic PMS is a very infrequent stroke subtype. Headache at stroke onset may be useful sign for distinguishing haemorrhagic PMS from other causes of lacunar stroke. There are important differences between haemorrhagic PMS and the remaining intracerebral haemorrhages.
Insights
Haemorrhagic pure motor stroke (PMS) is rare, affecting younger patients and often presenting with headache. Differentiating it from ischemic stroke is crucial for appropriate treatment.
Area of Science:
- Neurology
- Stroke Medicine
- Neuroimaging
Background:
- Pure motor stroke (PMS) is a subtype of stroke affecting motor pathways.
- Haemorrhagic PMS is a rare variant, distinct from ischemic PMS.
- Understanding its characteristics is vital for diagnosis and management.
Purpose of the Study:
- To delineate the clinical features of haemorrhagic pure motor stroke (PMS).
- To compare haemorrhagic PMS with ischemic PMS and other intracerebral hemorrhages.
- To identify distinguishing clinical markers for haemorrhagic PMS.
Main Methods:
- Retrospective analysis of 12 patients with haemorrhagic PMS.
- Comparison with a database of ischemic PMS (n=380) and intracerebral hemorrhage (n=364).
- Statistical analysis of demographic, clinical, and radiological data.
Main Results:
- Haemorrhagic PMS constituted 3.2% of pure motor hemiparesis and 3.3% of intracerebral hemorrhages.
- Patients with haemorrhagic PMS were younger and more likely to report headache and thalamic involvement compared to ischemic PMS.
- Haemorrhagic PMS showed less nausea, vomiting, altered consciousness, sensory symptoms, and ventricular hemorrhage than other intracerebral hemorrhages.
Conclusions:
- Haemorrhagic PMS is an uncommon stroke subtype with unique clinical characteristics.
- Headache at onset may help distinguish haemorrhagic PMS from other lacunar strokes.
- Significant differences exist between haemorrhagic PMS and other intracerebral hemorrhages, necessitating tailored clinical approaches.
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