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[Correlation between CT findings and subsequent development of cerebral infarction due to vasospasms in subarachnoid hemorrhage cases (author's transl)].

Correlations among plain CT findings, clinical severity at the time of onset and subsequent development of the cerebral infarction due to vasospasms were studied retrospectively in the 32 cases with subarachnoid hemorrhages secondary to the initial rupture of cerebral aneurysms. It was found that the clinical severity was well correlated with the CT findings indicating the amount of blood in the subarachnoid space. Furthermore, it was possible to correlate the subsequent occurrence of cerebral infarctions with sequential CT findings. Persistent high density areas with Hounsfield numbers of over 60 showed good correlation with subsequent development of the cerebral infarction.