Ventricular size and isotope cisternography in patients with acute transient rises of intracranial pressure (plateau waves)

Journal of Neurosurgery
M HayashiS Yamamoto

Abstract

The size of the ventricular system and cerebrospinal fluid (CSF) flow were determined in 17 patients with plateau waves, using computerized tomography (CT) and isotope cisternography. Some patients had increased intracranial pressure (ICP) resulting from space-occupying lesions and other causes, and some had normal ICP observed in normal-pressure hydrocephalus. The size and shape of the ventricular system during plateau wave phases as ascertained by CT showed little or no change as compared with its size and shape during the interval phases between two waves. It was also noticed that, in patients with supratentorial masses, the midline shift showed no difference in degree between the two phases. These findings suggest that there is little change in the intracranial CSF volume between the two phases, that is, there is little compensatory outflow of the intracranial CSF for the ICP variations. These results may also support the assumption that the plateau waves are not caused by an intermittent obstruction of the CSF pathways. Isotope cisternography showed a marked delay of clearance of radioactivity from the intracranial CSF in 15 patients. The cisternographic pattern in patients with increased ICP and the absence of ventricular...Continue Reading

References

Apr 1, 1979·Journal of Neurosurgery·M MatsudaH Gotoh
Dec 16, 1972·Lancet·L SymonR J Stephens
Sep 1, 1971·Journal of the Neurological Sciences·L PenningH Beekhuis
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Mar 1, 1974·Journal of Neurosurgery·J C ChawlaR Cooper
Oct 1, 1966·Journal of Neurosurgery·R C RubinD P Rall

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Citations

Oct 1, 1985·Journal of Neurosurgery·M HayashiM Kabuto
Jul 1, 1987·Journal of Neurosurgery·M HayashiM Kabuto
Jul 26, 2019·BMJ : British Medical Journal·Shannon M FernandoJeffrey J Perry

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