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First report of Atopobium vaginae bacteremia with fetal loss after chorionic villus sampling.

ABSTRACT: Infectious complications after chorionic villus sampling (CVS) are rare (<0.1%) but can lead to maternal sepsis and spontaneous abortion. We report the first bacteremia with Atopobium vaginae and suggest A. vaginae to be a pathogenic microorganism that can lead to intrauterine infection and fetal death following CVS.

SUBMITTER: Knoester M

PROVIDER: S-EPMC3122803 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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First report of Atopobium vaginae bacteremia with fetal loss after chorionic villus sampling.

Knoester Marjolein M Lashley Lisa E E L O LE Wessels Els E Oepkes Dick D Kuijper Ed J EJ

Journal of clinical microbiology 20110202 4

Infectious complications after chorionic villus sampling (CVS) are rare (<0.1%) but can lead to maternal sepsis and spontaneous abortion. We report the first bacteremia with Atopobium vaginae and suggest A. vaginae to be a pathogenic microorganism that can lead to intrauterine infection and fetal death following CVS. ...[more]

PMID: 21289141

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Project description:Bacterial vaginosis (BV) is a polymicrobial syndrome characterized by a change in vaginal flora away from predominantly Lactobacillus species. The cause of BV is unknown, but the condition has been implicated in diverse medical outcomes. The bacterium Atopobium vaginae has been recognized only recently. It is not readily identified by commercial diagnostic kits. Its clinical significance is unknown but it has recently been isolated from a tuboovarian abcess.Nucleotide sequencing of PCR amplified 16S rRNA gene segments, that were separated into bands within lanes on polyacrylamide gels by denaturing gradient gel electrophoresis (DGGE), was used to examine bacterial vaginal flora in 46 patients clinically described as having normal (Lactobacillus spp. predominant; Nugent score < or = 3) and abnormal flora (Nugent score > or = 4). These women ranged in age from 14 to 48 and 82% were African American.The DGGE banding patterns of normal and BV-positive patients were recognizably distinct. Those of normal patients contained 1 to 4 bands that were focused in the centre region of the gel lane, while those of BV positive patients contained bands that were not all focused in the center region of the gel lane. More detailed analysis of patterns revealed that bands identified as Atopobium vaginae were present in a majority (12/22) of BV positive patients, while corresponding bands were rare (2/24) in normal patients. (P < 0.001) Two A. vaginae isolates were cultivated from two patients whose DGGE analyses indicated the presence of this organism. Two A. vaginae 16S rRNA gene sequences were identified among the clinical isolates. The same two sequences were obtained from DGGE bands of the corresponding vaginal flora. The sequences differed by one nucleotide over the short (approximately 300 bp) segment used for DGGE analysis and migrated to slightly different points in denaturing gradient gels. Both isolates were strict anaerobes and highly metronidazole resistant.The results suggest that A. vaginae may be an important component of the complex bacterial ecology that constitutes abnormal vaginal flora. This organism could play a role in treatment failure if further studies confirm it is consistently metronidozole resistant.

Dataset Information

First report of Atopobium vaginae bacteremia with fetal loss after chorionic villus sampling.

Publications

First report of Atopobium vaginae bacteremia with fetal loss after chorionic villus sampling.

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