Anaesthesia
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The present status of intrathecal neurolysis with phenol, alcohol, chlorocresol and saline in the management of chronic pain has been discussed and the results of treatment reviewed. The particular use of these techniques in the therapy of pain due to malignant conditions has been stressed.
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A new blood warming apparatus, the Treonic Haemoheater, is described. The blood circulates through a disposable warming bag situated between two electrically heated panels containing two types of thermostat. The apparatus appears to be electrically safe and exhibits a high capacity for the transference of heat. Haemolysis is not caused and the device is simple to use.