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Article
June 1931

ETHYLENE ANESTHESIAANALYSIS OF REBREATHED MIXTURES

Author Affiliations

ATLANTA, GA.
From the Department of Surgery, Emory University.

Arch Surg. 1931;22(6):1034-1039. doi:10.1001/archsurg.1931.01160060162010
Abstract

The carbon dioxide filter in inhalation anesthesia has been in use for several years, and analysis of the rebreathed gases has been made by F. T. Romberger and others on mixtures in which ether was used. However, no data have been published on patients in whom ethylenenitrous oxide-oxygen anesthesia, without ether, has been used. The following preliminary report on a small series of cases is submitted in order to call attention to the possibility of inducing anesthesia with ethylene and maintaining surgical relaxation without giving additional anesthetic agents, after the introduction of a filter that removes carbon dioxide from the expired gases. Such a method is apparently without danger, and brings about a large reduction in the cost of the anesthetic agents.

ANALYSIS OF REBREATHED MIXTURES  In a series of seven cases, analyses were made on the contents of the rebreathing bag during the progress of the anesthesia. For each

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