The use of cold in surgery. Its advantages include little associated pain, little or no bleeding, and excellent healing with little or no scar formation. Hence its relatively wide use in eye surgery, some abdominal surgery, skin cancers and treatment of HAEMORRHOIDS. The coolants used include liquid nitrogen with which temperatures as low as −196 °C can be obtained, carbon dioxide (−78 °C) and nitrous oxide (−88 °C).
Article Categories:Medical Dictionary