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  • Title: Cerebral blood flow changes in acute experimental haemorrhagic vasospasm.
    Author: Jakubowski J, McCleery WN, Todd JH, Smart RC.
    Journal: Acta Neurochir (Wien); 1976; 34(1-4):265-8. PubMed ID: 961484.
    Abstract:
    Subarachnoid haemorrhage was produced in 26 dogs by injecting fresh homogenous blood into the cysterna chiasmatica. Two types of vasospasm were observed, firstly segmental arterial spasm closely related to the bleeding point and secondly generalized arterial vasospasm not directly related to the bleeding point and often occurring some way from the bleeding point. Reduction in CBF occurred in 61% of cases and was always accompanied by radiological vasospasm. However, in about one quarter of the cases with vasospasm there was no alteration in CBF.
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