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[An analysis of 1000 consecutive patients with acute cerebrovascular disease. The registry of cerebrovascular disease of La Alianza-Hospital Central of Barcelona]

A Arboix, J Massons, M Oliveres, L García, F Titus
Medicina Clínica 1993 September 18, 101 (8): 281-5

BACKGROUND: Registries of cerebral vascular disease (CVD) are useful in the study of the natural history of acute cerebrovascular disease (ACBD). Nonetheless there are few series which analyze the different stroke subtypes (SS) of CVD.

METHODS: A descriptive and comparative clinical analysis was performed of the different SS of CVD from the registry of CVD of the La Alianza-Central Hospital of Barcelona (Spain). A prospective study of 1,000 consecutive patients with ACVD admitted in the Neurology Department from 1986-1991 was carried out. The registry recommended by the Study Group of Cerebrovascular Diseases of the Sociedad Española de Neurología (SEN) were used and the stroke subtypes classified in agreement with the Glossary of Neurology of the SEN.

RESULTS: The mean age of the series was of 71 +/- 13 years with 537 patients being males. The frequency of the stroke subtypes in focal cerebral ischemia (FCI) was: thrombotic infarction 26%, lacunar infarction 16.9%, essential infarction 14.8%, cardioembolic infarction 12.4%, transient ischemic attacks 9% and infarction of unusual cause 3.5%. The frequency of the SS in cerebral hemorrhage (CH) was: intraparenchymatous hemorrhage 14.1%, subarachnoid hemorrhage 2.0%, subdural hematoma 1.2% and epidural hematoma 0.1%. Mortality of the series was 16.7% predominating in CH (28%) versus FCI (14%) (p < 0.00001). This was found to be greatest in cases of intraparenchymatous hemorrhage (31%) and in the cardioembolic infarction (28%) and lowest in the lacunar infarctions (0.6%).

CONCLUSIONS: The most common stroke subtypes were those of thrombotic infarctions, lacunar infarctions and intraparenchymal hemorrhages. Essential infarctions constitute 14.8% of acute cerebral vascular disease. The classification of cerebral vascular disease in its different subtypes is recommendable since this has prognostic and therapeutic implications.


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