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Effect of anaesthesia on intraocular blood flow.
  1. R Robinson,
  2. M White,
  3. P McCann,
  4. J Magner and
  5. P Eustace
  1. Mater Misericordiae Hospital, Dublin Department of Ophthalmology, Ireland.


    Pulsatile ocular blood flow, intraocular pressure, systemic blood pressure, and heart rate was measured in two groups of 15 patients. One received lignocaine 1.5 mg/kg intravenously prior to induction. There was a significant increase in intraocular pressure after suxamethonium, which was not associated with any rise in ocular blood flow. Both the IOP and ocular blood flow increased significantly after tracheal intubation. A rise in ocular blood flow reflects the stress response associated with intubation. Lignocaine failed to attenuate either response.

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