Short-and long-term effects of disturbed CSF circulation after SAH
Despite the meanwhile routine use of CCT in patients with SAH, effects of disturbances of the circulation of cerebrospinal fluid (CSF) have rarely been investigated scientifically in patients after SAH. Vassilouthis and Richardson (1979) saw no clinical problem in ventricular enlargement after SAH. On the other hand, Menon, Weir and Overton (1981) observed a decreased cerebral blood flow (CBF) and a poorer clinical state in patients with ventricular enlargement in the acute state after SAH. Hydrocephalus in the acute stage after SAH seems to constitute a particularly unfavorable prognostic factor (Mohr et al., 1983). Van Gijn et al. (1985a) reported that in 30 of 34 patients with acute hydrocephalus after SAH a substantially deteriorated state of consciousness was observed. Hiitter, Gilsbach and Kreitschmann (1995) found that, one to four years after SAH according to the assessment of the life-companions, those patients who had developed hydrocephalus in the postacute clinical course and in whom shunt insertion had been performed were still significantly more impaired in daily life than the patients who had not developed hydrocephalus.
KeywordsCerebral Blood Flow Acute Stage Simple Reaction Time Acute State Ventricular Enlargement
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