An Analysis of Anesthesia Administration for 1950

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IN 1948, type and methods of administering anesthesia at the Cleveland Clinic Hospital were compared with those of the previous 2 years.1 Observations were made on the trends as determined from procedures used in the years prior to 1946. The present analysis compares methods and procedures utilized in 1950 with those of 1947. This report for 1950 is based on 8085 anesthetic procedures.

Figures in table 1 indicate the total number of times an agent was used, whether alone or as the primary agent, or as a supplementary agent. The sum of these figures, of course, is greater than the total number of anesthetic procedures. Those agents in which there was a significant change in the number of times administered were curare and avertin. The use of curare increased from 2.9 per cent of the procedures in 1947 to 6 per cent in 1950. Avertin was used in 2.4 per cent of the procedures in 1947 as compared to 1.2 per cent in 1950. The decrease in the use of avertin reflects a trend to the increased use of rectal pentothal in producing basal anesthesia. Pentobarbital (nembutal) is being used more frequently in the sedation of patients in whom spinal anesthesia must be supplemented. A hypobaric solution of pontocaine (0.2 per cent in distilled water) has replaced spinocaine, and epinephrine has replaced ephedrine as the vasopressor used intrathecally to prolong spinal anesthesia. The usual dose of epinephrine for this purpose is 0.2 mg.

Table 2 represents an arbitrary division of. . .



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