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Cerebral blood flow after surgery for recent subarachnoid haemorrhage
  1. J Merory,
  2. D J Thomas,
  3. P R D Humphrey,
  4. G H Du Boulay,
  5. John Marshall,
  6. R W Ross Russell,
  7. Lindsay Symon,
  8. E Zilkha
  1. Institute of Neurology, National Hospital for Nervous Diseases, London


    243 measurements of cerebral blood flow by a noninvasive 133Xe clearance technique have been made in 45 patients undergoing surgery for a recently ruptured cerebral aneurysm. Two groups of patients have been defined by the presence or absence of a postoperative rise in cerebral blood flow which showed a significant correlation with level of consciousness after operation.

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