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  • Title: [Clinical significance of Streptococcus agalactiae isolation from urine samples of outpatients from health care centers].
    Author: Hernáiz C, Antón N, Alós JI, Orden B, Orellana MA, Colomina J, Redondo J, Gómez-Garcés JL.
    Journal: Enferm Infecc Microbiol Clin; 2004 Feb; 22(2):89-91. PubMed ID: 14756990.
    Abstract:
    INTRODUCTION: Streptococcus agalactiae is a well-recognized pathogen in the obstetric population and is a cause of invasive infection in adults with underlying diseases. Nevertheless, the role of S. agalactiae in urinary tract infections in the adult non-pregnant population treated in outpatient health care centers has been less extensively studied. METHODS: The clinical significance of S. agalactiae isolation in urine samples from health care center patients was studied in five areas of Spain over a period of six months. The study protocol included the collection of personal, epidemiological and clinical data. A total of 85 patients were studied; 79 were women (17 pregnant) and 6 men. RESULTS: Pyuria was found in 72.9% of the cases. A total of 26.4% (n = 18) of non-pregnant women and all the men had some type of chronic underlying disease and 35.3% (n = 24) had urinary disease. Among the pregnant women, 53% had asymptomatic bacteriuria and 35.3% had vaginal and/or urethral colonization. Among the group of men and non-pregnant women, the most frequent entity was non-complicated cystitis, seen in 66.1% (45 of 68) of cases, followed by complicated infection in 19.1% and asymptomatic bacteriuria in 11.8%. Of the 45 patients with non-complicated cystitis, 35 (77.7%) were over 40 years old and 19 (42.2%) were over 60 years old. CONCLUSIONS: Among the population of non-pregnant adults treated in outpatient health care centers, S. agalactiae isolation from urine was found mainly in women over 40 years old and was the cause of non-complicated urinary tract infection in more than half of cases.
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