1. 2, 198 cases of insufflation were performed on children under 12 years of age and 2, 733 cases of drip anesthesia were conducted on adults and children over 12 years of age. The experiences obtained from those operations on ear, nose, throat, larynx, neck etc. indicated that these general anesthesia could be performed with considerable safety. General anesthesia was successfully administered in 32 cases of old men, the oldest patient being 84 years old and suffering from cancer of tonsil. These experiences showed that drip anesthesia is also available to elderly patients without much danger.
2. Advantages of drip anesthesia
(1) The route of anesthesia does not interfere with the operation field in nose and throat, since no tracheal tube is necessary, thus giving excellent view.
(2) No expensive equipment like gas machine is required and the administration of anesthetics is a simple one.
(3) No tracheal stimulation, displeasure, nausea, vomiting and headache occur during introduction and recovery period of anesthesia, thus making it comparable to daily sleep.
3. Disadvantages of drip anesthesia
(1) Longer time is required for awakening. The patient should be controlled and watched for subsequent five to six hours or more until he awakes.
However, late awakening could be counted as advantage since the patient will be spared from pains or discomfort occurring right after the operation.
(2) No disadvantage was found in the operation of ear, but in case of nose and throat operations, blood will be aspirated in trachea and bronchi during the operation and cause anoxia. A new “Cocktail M-L-Y”, in which Lorfan is mixed in premedication and in cocktail, is recommended. Its short-coming could be overcome by intravenous injection of ACTH, hydrocortisone, glucose or saline solution and blood transfusion.
(3) The drip anesthesia should not be applied for children under 12 years of age, because the tolerance of the function of suprarenal cortex is considered to be small. The study on the relations between cocktail lytique and hormone of suprarenal cortex are being conducted and the results will be presented before long.
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