Suction and Quantitative Methods for Culture of Rectal Mucus in Bacillary Dysentery

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  • Municipal Ebara Hospital, Ota-ku, Tokyo, Japan


The suction method for the culture of Shigella, and its quantitative variation, using rectal mucus from dysentery patients and carriers, appears to be a feasible bacteriological diagnostic technique. Shigella isolations by this procedure are more numerous than by the routine swab or fecal culture methods, especially when small numbers of organisms are excreted, as from patients after treatment, or from carriers.

Shigella titers obtained by the suction method can be of assistance in checking the status of patients and carriers during the course of illness and convalescence. The method also appears to be reliable for the detection of carriers as sources of infection in limited outbreaks.