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KMID : 0377619750280060657
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Korean Jungang Medical Journal
1975 Volume.28 No. 6 p.657 ~ p.667
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Studies on the Bacterial Species Isolated from the Blood Specimens During Recent Five Years (1970 to 1974)
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Abstract
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It has been well-known that the etiological agents for bacteremia have been changed since the advent of antimicrobial drugs, but in Korea there were a few reports based on the bacteremia or the bacterial species from the blood cultures .in recent years.
Clinical-bacteriological analysis was done on 516 cases with the positive blood cultures in patients at the Seoul National University Hospital during the period of 1970 to 1974.
The results were summarized as follows;
1) The bacterial strains from the blood cultures consisted of 205 strains of
Gram(+) bacteria and 311 strains of Gram(-) bacteria, and Gram(+) bacteria have increased in frequency whereas Gram(-) bacteria have decreases. Among the bacterial species isolated, Salmonella group D were the most frequent and next
-to this, coagulase(+) staphylococcus, coagulase(-) staphlylococcus, Alcaligenes fecalis, Escherichia coli, Pseudomonas aeruginosa, coliform (intermediate) bacilli, -a-hemolytic streptococcus, Enterobacter aerogenes etc., were in descending order 4 frequency of isolation.
2) Salmonella group D amounted to 140 cases with a tendency to be annually .decreasing in frequency, and were most frequently isolated from the patients with the age group of 21-40 years, in the male and on the medical ward. Antibiotic sensitivity of Salmonella group D has annually decreased and high susceptibility
-was observed to chloramphenicol, neomycin and gentamycin.
3) Coagulase(+) staphylococci (102 cases) were most frequently isolated frompatients with the age group under 30 years, in the male and on the medical andpediatric ward, and were highly susceptible to lincomycin,leucomycin,neomycin
and cloxacilIin with a tendency to be decreasing in susceptibility to vas-ions antibiotics.
4) Coagulase(-), staphylococci (56 cases) were most frequently isolated from the patients with the age group under 10 years in both sexes pediatric and medical ward, and were highly susceptible lincomycin,leucomycin,neomycin, and cloxacillin.
5) Alcaligenes fecalis (51 cases) were most freqently isolated from the patients with the age group under 10 years, in the female and on the medical and pediatric ward, and were moderately susceptible to gentamycin only.
6) Escherichia coIi (38 cases) were mostly frequently isolated from the patients with the age group of 21-40 years, in the female and on the medical ward, and were moderately susceptible to chloramphenicol, neomycin, colimycin, gentamycin and kenamycin.
7) Pseudomonas aeruginosa (24 cases) were isolated evenly from the patients of any age group, in the male and on the surgical ward, and were moderately susceptible to colimycin and gentamycin.
8) Coliforim (intermediate) bacilli (22 cases) were most frequently from the patients with the age group of 11-20 years, in both sexes and on the medical ward, and were moderately susceptible to gentamycin and neomycin.
9) a-hemolytic streptococci (19 cases) were most frequently isolated from the patients with the age group under 10 years, in the male and the pediatric ward, and were highly susciptable to lycomycin and gentamycin.
10) Enterobacter aerogenes (18 cases) were most frequently isolated from the patients with the age group under 10 years, in the female and on the medical and pediatric ward, and were moderately susceptible to colimycin and gentamycin.
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