A STUDY OF URINARY TRACT INFECTION WITH SERRATIA MARCESCENS
1980 Volume 28 Issue 5 Pages 723-729
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1980 Volume 28 Issue 5 Pages 723-729
During a four years period from Jan. 1975 to Dec. 1978, we had 64 cases of urinary tract infection with Serratia marcescens. The infections with Serratia marcescens were seen in 2.0-8.2% of hospitalized patients and 0.4-2.6% of out-patients. Sixty-three of these cases (98.4%) were of complicated urinary tract infections, and we recognized the influence of indwelling catheter in 41 cases (64%). Especially, all of the hospitalized cases (48 cases) had experienced instrumentation or catheterization of urinary tact. Fifty-nine cases (92.2%) had received the use of antimicrobial agents, and 67.2% of them were β-lactam antibiotics.
An epidemiological survey was carried out with O-serotyping using the antiserum by Toshiba Kagaku Kogyo Co., Ltd. In the hospitalized cases, hospital acquired infections were seen in 38 cases (79.2%). Serotype 16 strains were the most common, and high incidence in one certain period (Sept. 1976-Sept. 1977). These results indicated that the urinary tract infection with Serratia marcesccens in our ward was probably nosocomial infection.
