THE FREQUENCY AND CHARACTER OF URINARY TRACT INFECTIONS IN AN UNSELECTED GROUP OF WOMEN

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Abstract
Cultures of the urine and Addis counts on the urinary sediment were done upon 100 consecutive and unselected [female][female] entering the Stanford Medical Ward. In addition to the use of ordinary culture media, blood pour plates were utilized for the enumeration of bacterial colonies. The cultures of the first catheterized urine specimens from 69 [female][female] were sterile, although 6 of these [female][female] subsequently developed urinary tract infections, the majority following catheterization or instrumentation. The growth of a large number of organisms accompanied by a definite pyuria was obtained from 19 patients. A growth of bacteria without appreciable pyuria occurred in 11 cases, suggesting contamination, "transient bacilluria" or low grade infection. From the 26 cases exhibiting bacilluria and pyuria upon entry or during hospitalization, Escherichia coli was isolated in 15 cases and Gram positive cocci were isolated in 11 cases. The history and physical examination did not contribute to the diagnosis in the majority of cases. There was no correlation between the presence of pelvic abnormalities and the occurrence of urinary tract infections. 34% of 100 [female][female] admitted definite urinary tract disorders in the past. It is suggested that greater care be observed in the study and treatment of urinary tract infections because of their ubiquity and the the danger of renal damage with subsequent hypertension.

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