Campylobacter fetus subspecies fetus; an unforeseen cause of abortion in Regional Australia.

2025 · doi:10.1099/acmi.0.000889.v4
preprint OA: closed
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This paper reports an “unforeseen” human abortion case caused by Campylobacter fetus subsp. fetus, an organism known mainly as a cause of abortion and infertility in cattle, sheep, and goats, with human infections rarely reported. The authors compare their case with the earliest reported case from 1947, using a Venn diagram to highlight similarities and differences, and they note common elements including the patient’s post-abortion clinical state and a history of exposure to farm animals with recent deaths. Differences included timing from symptom onset to abortion, antibiotic selection, and the presentation of sepsis. This paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Campylobacter fetus (C.fetus) subspecies fetus, a gram-negative bacterium, is an established cause of abortion and infertility in cattle, sheep and goats. Human infections have been rarely reported. In contrast to TORCH infections, this campylobacter species is hardly recognised as a cause of abortion in humans. Since 1947 after the first case report in France, there are only 11 reported cases in pregnant women worldwide and no published reports in Australia, pregnant or otherwise. The case in this study was compared to the first reported infection of C.fetus in 1947 to raise awareness and educate doctors and midwives, subsequently impacting prenatal and antenatal counselling in these regions.   A Venn diagram was constructed to highlight the similarities between this and the index case. The similarities found included the clinical state of the patient post-abortion and the all-important history of exposure to farm animals that suffered recent deaths on the farms of both patients. Some of the differences included the time of onset of symptoms to the time of abortion, the choice of antibiotics by both treating teams and the presentation of sepsis, suggesting the importance of Campylobacter fetus subspecies fetus as a perinatal infection.
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Full text loading... Abstract Campylobacter fetus (C.fetus) subspecies fetus, a gram-negative bacterium, is an established cause of abortion and infertility in cattle, sheep and goats. Human infections have been rarely reported. In contrast to TORCH infections, this campylobacter species is hardly recognised as a cause of abortion in humans. Since 1947 after the first case report in France, there are only 11 reported cases in pregnant women worldwide and no published reports in Australia, pregnant or otherwise. The case in this study was compared to the first reported infection of C.fetus in 1947 to raise awareness and educate doctors and midwives, subsequently impacting prenatal and antenatal counselling in these regions. A Venn diagram was constructed to highlight the similarities between this and the index case. The similarities found included the clinical state of the patient post-abortion and the all-important history of exposure to farm animals that suffered recent deaths on the farms of both patients. Some of the differences included the time of onset of symptoms to the time of abortion, the choice of antibiotics by both treating teams and the presentation of sepsis, suggesting the importance of Campylobacter fetus subspecies fetus as a perinatal infection. - Received: - Version Posted:

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