Faculty Opinions recommendation of Inhalation versus endovenous sedation in subarachnoid hemorrhage patients: effects on regional cerebral blood flow.

Author(s):  
Mark Wainwright
2008 ◽  
Vol 18 (4) ◽  
pp. 237-243 ◽  
Author(s):  
Stella Blasel ◽  
Elke Hattingen ◽  
Edgar Dettmann ◽  
Gerald Morawe ◽  
Friedhelm Zanella ◽  
...  

1972 ◽  
Vol 37 (1) ◽  
pp. 36-44 ◽  
Author(s):  
M. Peter Heilbrun ◽  
Jes Olesen ◽  
Niels A. Lassen

✓ Regional cerebral blood flow (rCBF) studies using the intra-arterial 133xenon method were performed on 10 patients with subarachnoid hemorrhage. Both preoperative and postoperative studies showed evidence of decreased flow in the entire hemisphere studied, and, in addition, evidence of focal ischemia, focal hyperemia, focal vasoparalysis, and often global impairment of autoregulation. The degree of flow abnormalities correlated well with the clinical grading of the neurological deficit. It is suggested that analysis of the state of autoregulation might be useful in determining the time for surgical intervention and that rCBF studies are important in defining the effects of drugs used to counteract the ischemic effects of spasm.


1983 ◽  
Vol 58 (2) ◽  
pp. 210-216 ◽  
Author(s):  
Felix Umansky ◽  
Thalia Kaspi ◽  
Mordechai N. Shalit

✓ Subarachnoid hemorrhage (SAH) was induced in 13 adult mongrel cats by a slow injection of fresh autogenous blood into the cisterna magna. Serial determinations of regional cerebral blood flow (rCBF) in the cortex and deep-seated areas (internal capsule, thalamus, and caudate nucleus) were made during the following 2 hours, while intracranial pressure (ICP) was maintained at normal values. A decrease in rCBF was observed in all the areas examined. This reduction followed a characteristic triphasic pattern with an initial steep decline immediately after the SAH. The clinical implications of these findings are discussed.


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