Abstract
Cultural examinations for tubercle bacilli were conducted on the specimens of whole sputum from 10 tuberculous prtients, who have completed the active treatment and were introduced into the stage of the treatment by walking, but who are found discharging a trifle number of tubercle bacilli when examined by cultivation of sputum, and the whole course of discharging the organisms was observed.
As to the tendency of the discharge of the organisms, the following 3 types were recognized.
Type 1. After a negative stage for more than 1 month, discharge or a trifle number of organisms for a short period is observed.
Type 2. Discharge of organisms in trifle number is recognized at intervals of less than 1 month.
Type 3. Explosive increase and decrease in the number of organisms discharged are observed.
In the second stage of the present work, INAH was administered to these patients and the effect to the patients was observed. The rate of decreasd in the number of discharged organisms was observed more iminently in the cases which were discharging greater number of organisms prior to the administration of INAH, but the prolongation of the negative and the decrease in the number of colonies seen on the medium were recognized in all of the patients observed in the present work.
