Second Trimester Fetal Loss Due to Citrobacter koseri Infection: A Rare Cause of Preterm Premature Rupture of Membranes (PPROM)

Bonasoni, Maria Paola; Comitini, Giuseppina; Pati, M.; Russello, Giuseppe; Vizzini, Loredana; Bardaro, Marcellino; Pini, P; Marrollo, Roberta; Palicelli, Andrea; Dea, Giulia Dalla; Carretto, Edoardo

doi:10.3390/diagnostics12010159

Cited by 6 publications

(3 citation statements)

References 38 publications

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“…These conditions include sepsis, urinary tract infections, respiratory and intra-abdominal infections, and central nervous system Infections. 1,11,12 C. koseri is a pathogen mostly isolated in urinary samples; 12,13 however, this was not the case of the present study, since it was isolated in more than 50% of pus samples, which classifies it as a pathogen responsible for nosocomial infections.…”

Section: Discussionmentioning

confidence: 57%

Antimicrobial susceptibility of Citrobacter Koseri isolated on clinical samples of hospitalized patients

Céspedes¹,

Fonseca²

2022

JMEN

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The genus Citrobacter includes 13 species and is often found in water, food, land and certain animals. It is part of the normal flora of a small proportion of healthy humans; however, the rates of colonization increase in patients in long-term care institutions and hospitals. Citrobacter koseri is an aerobic Gram-negative bacillus, ubiquitous in nature, opportunistic, that is frequently found in genitourinary and gastrointestinal tracts of animals and humans as a saprophyte flora. Citrobacter koseri is one of the most important pathogens, eventually causing epidemics difficult to control. Therefore, the objective of this article is to carry out a microbiological characterization of this pathogen. A transversal descriptive study was conducted in the Surgical Clinical Hospital Lucía Íñiguez Landín of Holguín, which covered the period from January to December 2019. The study universe consisted of all enterobacteriaceae isolated in clinical samples of adult patients admitted during this period and the sample was formed by 219 strains of Citrobacter koseri. Out of the total number of cases, 70 belonged to the intensive care service for a 32.0%. Out of the total number of samples, 139 were isolated in pus samples for a 63.5%. The strains were more resistant to ciprofloxacin, cefuroxime, ampicillin, aztreonam, ceftazidime and to gentamicin. Citrobacter koseri is able to develop multidrug resistance to known antibiotics, acts as opportunistic and can colonize people in community, consequently its dissemination should be controlled.

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Section: Discussionmentioning

confidence: 57%

Antimicrobial susceptibility of Citrobacter Koseri isolated on clinical samples of hospitalized patients

Céspedes¹,

Fonseca²

2022

JMEN

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“…This is particularly evident when IUFD occurs in the second trimester. Previous studies have described the detection of rare causative pathogens such as Klebsiella pneumoniae [101] Citrobacter koseri [102] and Kingella kingae [103] only when these additional investigations have been performed.…”

Section: Investigations In the Setting Of Intrauterine Fetal Demise (...mentioning

confidence: 99%

Chorioamnionitis: An Update on Diagnostic Evaluation

Carter,

Neubronner,

et al. 2023

Biomedicines

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Chorioamnionitis remains a major cause of preterm birth and maternal and neonatal morbidity. We reviewed the current evidence for the diagnostic tests of chorioamnionitis and how this relates to clinical practice today. A comprehensive literature search and review was conducted on chorioamnionitis and intra-uterine inflammation. Data from randomized control trials and systematic reviews were prioritized. This review highlights that sterile inflammation plays an important role in chorioamnionitis and that the current tests for chorioamnionitis including clinical criteria, maternal plasma and vaginal biomarkers lack diagnostic accuracy. Concerningly, these tests often rely on detecting an inflammatory response after damage has occurred to the fetus. Care should be taken when interpreting current investigations for the diagnosis of chorioamnionitis and how they guide obstetric/neonatal management. There is an urgent need for further validation of current diagnostic tests and the development of novel, accurate, minimally invasive tests that detect subclinical intra-uterine inflammation.

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“…Citrobacter species are Gram-negative bacteria that can be found in various environments, including soil, water, sewage, food and the intestines of humans or animals [1]. They belong to the family Enterobacteriaceae, and some species have been identified as opportunistic human pathogens causing wound infections, abscesses, severe forms of meningitis, endocarditis and bloodstream infections [2][3][4][5]. Currently, 17 validly published species within the genus Citrobacter are listed in the List of Prokaryotic names with Standing in Nomenclature (LPSN) [6].…”

Section: Introductionmentioning

confidence: 99%

Citrobacter enshiensis sp. nov., isolated from seleniferous soil

Zhang,

Li,

Peng

et al. 2024

International Journal of Systematic and Evolutionary Microbiology

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Two Gram-stain-negative, facultative anaerobic, rod-shaped bacterial strains, S171T and S2-9, were isolated from seleniferous soil in China. Comprehensive phylogenetic analyses based on 16S rRNA genes, multilocus sequences and whole genome sequences indicated that the two strains belonged to the genus Citrobacter . The average nucleotide identity (ANI) and digital DNA–DNA hybridization (dDDH) values of strains S171T and S2-9 with the closest relative Citrobacter koseri NCTC 10786T were 83.6–83.7% and 27.7–27.8 %, respectively, which were below the species cutoff values. The ANI and dDDH values between the two strains were 97.9% and 84.8 %, respectively. The biochemical characteristics revealed that selenite tolerance, H2S and indole production, arginine dihydrolase, ornithine decarboxylase, as well as acid production from carbon sources such as d-sorbitol and arbutin are distinctive features of the two strains. Based on these results, strain S171T and strain S2-9 represent a novel species of the genus Citrobacter , for which the name Citrobacter enshiensis sp. nov. is proposed, with strain S171T (=GDMCC 1.3637T=JCM 35851T) as the type strain. The genome size of strain S171T was 4.92 Mb with a G+C content of 52.6 mol%. The genome size of strain S2-9 was 4.89 Mb with a G+C content of 52.6 mol%.

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Second Trimester Fetal Loss Due to Citrobacter koseri Infection: A Rare Cause of Preterm Premature Rupture of Membranes (PPROM)

Cited by 6 publications

References 38 publications

Antimicrobial susceptibility of Citrobacter Koseri isolated on clinical samples of hospitalized patients

Antimicrobial susceptibility of Citrobacter Koseri isolated on clinical samples of hospitalized patients

Chorioamnionitis: An Update on Diagnostic Evaluation

Citrobacter enshiensis sp. nov., isolated from seleniferous soil

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