Abstract
We examined the species and drug-susceptibility of the anaerobes isolated from various clinical meterials for a period of about eight years from July 1961 to December 1968.
Among 6, 208 positive cultures obtained from pus and secretes, the anaerobes were yielded in 15.6%. In fact the anaerobes were yielded in pure culture in only 3.6% and the remaining 12.0% showed the anaerobes as well as some aerobes.
As far as the species of the anaerobes isolated from pus and secretes are concerned, 35.0% were ocuppied by Gram-positive cocci, and 34.8% by Gram-negative bacilli. In contrast, the clostridia ocuppied only 4.1%.
Then, susceptibility of these anaerobes to antibiotics was studied with disc method. Except for Gramnegative bacilli, almost all anaerobes isolated were sensitive to penicillin G, ampicillin and cephaloridine. About 90 % or more of the anaerobes were sensitive to chloramphenicol and tetracycline. Erythromycin, leucomycin and lincomycin were effective not only on Gram-positive bacilli and cocci, but also effective considerably on Gram-negative bacilli. In contrast, streptomycin and kanamycin were ineffective to the anaerobes isolated.
