[Urinary tract infections and urolithiasis].
100 cases of urolithiasis in children treated in Pediatric Clinic of National Research Institute of Mother and Child in the period of 1976-1979 were analized . In 93 children the cause of urolithiasis was established. The most of them (31%) are cases of infection induced urinary stones. Among other reasons of urolithiasis the most common are: metabolic reasons in 26%, probably metabolic reasons in 13%, idiopathic oxalic lithiasis in 17% and others in 6%. At the moment of urolithiasis diagnosis in 94 children bacteriological investigations were done. In 54 cases, i.e. 57,4% infections of the urinary tract were found. 57,8% of boys and 62,2% of girls had urinary tract infections. The most frequent bacteria was urease producting Proteus sp. During 3 years of observation urinary tract infections in 67 children were found. Among bacteria causing the reinfections the most frequent were: Pseudomonas aeruginosa (25,4%), Klebsiella sp. (22,4%), Proteus sp. (19,9%) and E. coli (15%). In 9 cases the bacteriological analysis of removed stones were done. In 2 cases bacteria causing the infection were isolated from the stones, since they were not present in urine any more.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004755:Enterobacteriaceae / Q000201:enzymology; D004756:Enterobacteriaceae Infections / Q000150:complications*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011552:Pseudomonas Infections / Q000150:complications*; D011550:Pseudomonas aeruginosa / Q000201:enzymology; D014510:Urease / Q000096:biosynthesis; D014545:Urinary Calculi / Q000209:etiology*; D014552:Urinary Tract Infections / Q000150:complications*
D014510:Urease
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