Chorioamnionitis and early pregnancy loss caused by ampicillin-resistant non-typeable Haemophilus influenzae

Haemophilus influenzae can cause intra-amniotic infection and early pregnancy loss. The mode of transmission and risk factors for H. influenzae uterine cavity infections are unknown. Here, we present the case of chorioamnionitis caused by ampicillin-resistant H. influenzae in a 32-year-old Japanese...

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Bibliographic Details
Published in:IDCases 2023-01, Vol.32, p.e01751, Article e01751
Main Authors: Nishihara, Yuji, Hirai, Nobuyasu, Sekine, Takahiro, Okuda, Nao, Nishimura, Tomoko, Fujikura, Hiroyuki, Furukawa, Ryutaro, Imakita, Natsuko, Fukumori, Tatsuya, Ogawa, Taku, Suzuki, Yuki, Nakano, Ryuichi, Nakano, Akiyo, Yano, Hisakazu, Kasahara, Kei
Format: Article
Language:English
Subjects:
Case Report
Chorioamnionitis
Fetal loss
Haemophilus influenzae
Oral transmission
Pregnancy
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Summary:Haemophilus influenzae can cause intra-amniotic infection and early pregnancy loss. The mode of transmission and risk factors for H. influenzae uterine cavity infections are unknown. Here, we present the case of chorioamnionitis caused by ampicillin-resistant H. influenzae in a 32-year-old Japanese woman at 16 weeks of gestation. Despite empirical treatment, including ampicillin, as recommended by the current guidelines, she had fetal loss. The antimicrobial regimen was changed to ceftriaxone, and the treatment was completed without complications. Although the prevalence and risk factors for chorioamnionitis caused by ampicillin-resistant H. influenzae are unknown, clinicians need to recognize H. influenzae as a potentially drug-resistant and lethal bacterium for pregnant women. •Chorioamnionitis caused by ampicillin-resistant Haemophilus influenzae in a 32-year-old woman at 16 weeks of gestation.•Clinicians need to recognize H. influenzae as a potentially drug-resistant.
ISSN:2214-2509
2214-2509
DOI:10.1016/j.idcr.2023.e01751