2014
DOI: 10.14740/jcgo244e
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Bacteroides and Hafnia Infections Associated With Chorioamnionitis and Preterm Birth

Abstract: A pregnant woman presented with no signs of infection and gave birth by emergency caesarean section at 27 weeks. Placental histopathology demonstrated moderate histological chorioamnionitis. Microbiology cultures from swabs from the mother's vagina during labor were reported negative; however, culture-independent analyses returned extensive Bacteroides spp. and Hafnia spp. infections. The case illustrates the importance of testing with non-culture methods for emerging genital infections in pregnancy.

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Cited by 5 publications
(6 citation statements)
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References 23 publications
(29 reference statements)
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“…In the majority of cases, the pathogen derives from urinary tract infection, our experience of epidemiologic changes in the etiology of PPROM means that a more complete diagnostic procedure must be followed, with wider analytic studies, adapting available diagnostic procedures to clinical needs. New culture-independent tools sometimes yield positive results even when vaginal and endocervical cultures are negative [9][10][11][12]. These new techniques can help to detect a possible unusual bacterial infection when vaginal and endocervical cultures are negative in cases of chorioamnionitis, preterm birth, or PPROM.…”
Section: Discussionmentioning
confidence: 99%
“…In the majority of cases, the pathogen derives from urinary tract infection, our experience of epidemiologic changes in the etiology of PPROM means that a more complete diagnostic procedure must be followed, with wider analytic studies, adapting available diagnostic procedures to clinical needs. New culture-independent tools sometimes yield positive results even when vaginal and endocervical cultures are negative [9][10][11][12]. These new techniques can help to detect a possible unusual bacterial infection when vaginal and endocervical cultures are negative in cases of chorioamnionitis, preterm birth, or PPROM.…”
Section: Discussionmentioning
confidence: 99%
“…Low abundance in preterms [33] Atopobium High relative abundance of Atopobium vaginae at the midtrimester was highly predictive of preterm birth [34] Bacteroides Abundance reduction in Bacteroides in women who delivered preterm [35,36]…”
Section: Aerococcusmentioning
confidence: 99%
“…CorrZIDF Acinetobacter Acinetobacter infection in adverse pregnancy and perinatal outcomes [31,32] Aerococcus Low abundance in preterms [33] Atopobium High relative abundance of Atopobium vaginae at the midtrimester was highly predictive of preterm birth [34] Bacteroides Abundance reduction in Bacteroides in women who delivered preterm [35,36] Brevibacterium Occasionally found in the placenta, considered as contaminants [37] Campylobacter Associated with an increased risk of spontaneous abortion, stillbirth, and preterm delivery [38] Fusobacterium Associated with preterm birth and has been isolated from the amniotic fluid, placenta, and chorioamnionic membranes of women delivering prematurely [39] Mobiluncus For women with a prior preterm delivery, high level of Mobiluncus significantly indicate a spontaneous preterm delivery [40] Oligella Mostly found as a commensal organism of the human genitourinary tract, which is also the main infection site [41] Peptostreptococcus Pregnant women with Bacterial vaginosis including Peptostreptococcus and other bacteria have increased risk of preterm labor and preterm premature rupture of membranes.…”
Section: Genus Relevance Referencementioning
confidence: 99%
“…It is part of the normal microbiota of animals (14). In humans, it behaves as an opportunistic pathogen (15), but it is a rare cause of infection in humans and animals (15)(16)(17). However, in veterinary medicine, it has been reported in equine abortion (18), as a secondary infection in a cat with a nasal tumor (19), and was also isolated from the wound of a dog (20).…”
Section: Introductionmentioning
confidence: 99%