Spontaneous intracerebral hemorrhage

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Abstract
To determine the prognostic value of etiology and localization in spontaneous intracerebral hemorrhage, 896 patients with spontaneous intracerebral hemorrhage, as proven by CT, operation or autopsy, were retrospectively studied using univariate data analysis. Etiologies were hypertension in 63.5%, cerebrovascular malformations in 8.5% and abnormal hemostasis in 15% of the patients. In 23% no etiology was determined. Main localizations were cerebral lobes in 49.2%, basal ganglia in 34.4%, brain stem in 6.9%, cerebellum in 6.7% and primary intraventricular in 2.3% of the patients. Ventricular extension was present in 47.0%. A higher case fatality correlated with: 1) ventricular extension (PP=0.00005), 3) surgical treatment (P=0.00010), 4) localization in basal ganglia (P=0.0108) and 5) hypertension as only etiology (P=0.01471). A lower case fatality was found in patients with cerebrovascular malformations (P=0.00006) and when the hemorrhage was localized to the cerebral lobes (P=0.0050). We conclude that etiology and localization are of prognostic value in spontaneous intracerebral hemorrhage.