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The purpose of diathermy in the treatment of infections of the sinuses is to increase the efficacy of the Dowling tampons and to decrease the time of treatment. It is particularly effective in the treatment of infections of the ethmoid sinuses. The colloidal silver employed is a 15 per cent solution of mild silver protein. This colloidal solution passes through the membrane without ill effects and is capable of destroying bacterial life without injury to the tissues of the host. Dr. Dowling recommended leaving the tampons in situ for about an hour, until the solution is absorbed by the tissues by osmosis. This action is greatly enhanced by the use of diathermy, and the time decreased to about fifteen or twenty minutes. The solution is distributed by the circulation beyond the area of its application.
The positive electrodes are made of light tape consisting of long continuous strands of fine
FISHBEIN JN. THE USE OF DIATHERMY IN THE TREATMENT OF THE NASAL ACCESSORY SINUSES. Arch Otolaryngol. 1933;18(2):198–200. doi:10.1001/archotol.1933.03580060212007
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