There are three dangers which are commonly accepted as accompanying operations on diabetic patients—wound infection, non-healing, and diabetic coma. The method of preparation for operation still frequently followed is the removal of sugar and starches from the food. The theoretic basis of this treatment is the conception that the slowness of healing of the operation wound and its liability to infection are to be ascribed to the direct action of the excessive amount of sugar in the blood and tissues, and that diabetic coma is especially likely to occur in those patients in whom the diabetic condition, as judged by the amount of sugar excretion, is especially pronounced. An endeavor is therefore made to get rid of the hyperglycemia before operation, and the patient is given a carbohydrate-free diet until the sugar in the urine is eliminated or has been greatly reduced in amount.
This method of preparation does not