The increase in the average life expectancy from fifty years in 1900 to sixty-six years at the present time has resulted in a marked increase in the amount of surgical treatment given persons of advanced years.
There has been an increase in the amount of surgical treatment given patients 70 years of age and older, in the Los Angeles County Hospital, of 60.1 per cent in the past ten years (table 1).
The present report deals with the administration of anesthetics in 909 instances to 905 patients 70 years of age and older during a period of nine months from July 1, 1946 to March 31, 1947. For an interesting comparison one may refer to the excellent report by Baird1 in 1943.
The number of cases dealt with by each of the principal services and in a general way the types of operation performed in the present series are