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Scand J Infect Dis. 1985;17(2):195-9.

Asymptomatic bacteriuria during pregnancy with special reference to group B streptococci.

Abstract

The relationship between significant bacteriuria (SB), i.e. 2 subsequent voided urine specimens with greater than or equal to 10(5) colony forming units (CFU)/ml, and the occurrence of bacteria in the urinary bladder detected by bladder punction, was investigated in asymptomatic pregnant women. From 30 (70%) of the 43 women with SB studied, bacteria were isolated from the urinary bladder. The same bacteria were found in the bladders of all 21 women with Escherichia coli, the one with Klebsiella pneumoniae, and the one with Staphylococcus saprophyticus in midstream urine. Six of 10 patients with group B streptococci (GBS), 1 of 4 patients with Streptococcus faecalis, and none of 5 patients with Staphylococcus epidermidis in voided specimens had bacteria in the aspirated urine. Serotype III was isolated from 8/10 patients with SB caused by GBS. One child born to a woman with GBS SB but no bacteria in the urinary bladder, got early onset septicaemia. The poor predictive value of SB with GBS, S. faecalis and S. epidermidis necessitates the increased use of bladder puncture for diagnosis of true asymptomatic bacteriuria (AB), i.e. AB with bacteria in the urinary bladder. SB with GBS even without bacteria in the urinary bladder, may constitute a threat to the baby's health.

PMID:
3895401
[Indexed for MEDLINE]

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