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Franz R, Hahn A, Hagen RM, Rohde H, Eberhardt KA, Ehrhardt S, Baum J, Claussen L, Feldt T, Hinz R, Barthel D, Bindt C, Tagbor H, Nguah SB, Koffi M, Köller T, Warnke P, Pankok F, Taudien S, Frickmann H, Schoppen S. Screening for Resistant Bacteria, Antimicrobial Resistance Genes, Sexually Transmitted Infections and Schistosoma spp. in Tissue Samples from Predominantly Vaginally Delivered Placentae in Ivory Coast and Ghana. Pathogens 2023; 12:999. [PMID: 37623959 PMCID: PMC10459482 DOI: 10.3390/pathogens12080999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/26/2023] Open
Abstract
Medical complications during pregnancy have been frequently reported from Western Africa with a particular importance of infectious complications. Placental tissue can either become the target of infectious agents itself, such as, e.g., in the case of urogenital schistosomiasis, or be subjected to contamination with colonizing or infection-associated microorganisms of the cervix or the vagina during vaginal delivery. In the retrospective cross-sectional assessment presented here, the quantitative dimension of infection or colonization with selected resistant or pathogenic bacteria and parasites was regionally assessed. To do so, 274 collected placental tissues from Ivory Coastal and Ghanaian women were subjected to selective growth of resistant bacteria, as well as to molecular screening for beta-lactamase genes, Schistosoma spp. and selected bacterial causative agents of sexually transmitted infections (STI). Panton-Valentine-negative methicillin-resistant Staphylococcus aureus (MRSA) was grown from 1.8% of the tissue samples, comprising the spa types t008 and t688, as well as the newly detected ones, t12101 (n = 2) and t12102. While the culture-based recovery of resistant Enterobacterales and nonfermentative rod-shaped Gram-negative bacteria failed, molecular assessments confirmed beta-lactamase genes in 31.0% of the samples with multiple detections of up to four resistance genes per sample and blaCTX-M, blaIMP, blaGES, blaVIM, blaOXA-58-like, blaNDM, blaOXA-23-like, blaOXA-48-like and blaKPC occurring in descending order of frequency. The beta-lactamase genes blaOXA-40/24-like, blaNMC_A/IMI, blaBIC, blaSME, blaGIM and blaDIM were not detected. DNA of the urogenital schistosomiasis-associated Schistosoma haematobium complex was recorded in 18.6% of the samples, but only a single positive signal for S. mansoni with a high cycle-threshold value in real-time PCR was found. Of note, higher rates of schistosomiasis were observed in Ghana (54.9% vs. 10.3% in Ivory Coast) and Cesarean section was much more frequent in schistosomiasis patients (61.9% vs. 14.8% in women without Schistosoma spp. DNA in the placenta). Nucleic acid sequences of nonlymphogranuloma-venereum-associated Chlamydia trachomatis and of Neisseria gonorrhoeae were recorded in 1.1% and 1.9% of the samples, respectively, while molecular attempts to diagnose Treponema pallidum and Mycoplasma genitalium did not lead to positive results. Molecular detection of Schistosoma spp. or STI-associated pathogens was only exceptionally associated with multiple resistance gene detections in the same sample, suggesting epidemiological distinctness. In conclusion, the assessment confirmed considerable prevalence of urogenital schistosomiasis and resistant bacterial colonization, as well as a regionally expected abundance of STI-associated pathogens. Continuous screening offers seem advisable to minimize the risks for the pregnant women and their newborns.
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Affiliation(s)
- Roman Franz
- Department of Microbiology and Hospital Hygiene, Bundeswehr Hospital Hamburg, 20359 Hamburg, Germany;
- Department of Microbiology and Hospital Hygiene, Bundeswehr Hospital Berlin, 10115 Berlin, Germany
| | - Andreas Hahn
- Institute for Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany; (A.H.); (T.K.); (P.W.)
| | - Ralf Matthias Hagen
- Department of Microbiology and Hospital Hygiene, Bundeswehr Central Hospital Koblenz, 56070 Koblenz, Germany;
| | - Holger Rohde
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf (UKE), 20251 Hamburg, Germany;
| | - Kirsten Alexandra Eberhardt
- Department of Tropical Medicine, Bernhard Nocht Institute for Tropical Medicine & I. Department of Medicine, University Medical Center, 20359 Hamburg, Germany;
- Division of Hygiene and Infectious Diseases, Institute of Hygiene and Environment, 20539 Hamburg, Germany
| | - Stephan Ehrhardt
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MA 21205, USA;
| | - Jana Baum
- Clinical Research Unit, Bernhard Nocht Institute for Tropical Medicine Hamburg, 20359 Hamburg, Germany;
| | - Lisa Claussen
- Department of Anaesthesiology and Intensive Care, Asklepios Klinik Altona, 22763 Hamburg, Germany;
| | - Torsten Feldt
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Rebecca Hinz
- Department of Clinical Microbiology, Synlab MVZ Hamburg GmbH, 22083 Hamburg, Germany;
| | - Dana Barthel
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, University Medical Center, 20251 Hamburg, Germany; (D.B.); (C.B.)
| | - Carola Bindt
- Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, University Medical Center, 20251 Hamburg, Germany; (D.B.); (C.B.)
| | - Harry Tagbor
- School of Medicine, Department of Community Health, University of Health and Allied Sciences, Ho PMB 31, Ghana;
| | - Samuel Blay Nguah
- School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi AK-385-1973, Ghana;
| | - Mathurin Koffi
- Université Jean Lorougnon GUEDE, UFR Environnement-Santé, Laboratoire des Interactions Hôte-Microorganismes-Environnement et Evolution (LIHME), Daloa BP 150, Côte d’Ivoire;
| | - Thomas Köller
- Institute for Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany; (A.H.); (T.K.); (P.W.)
| | - Philipp Warnke
- Institute for Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany; (A.H.); (T.K.); (P.W.)
| | - Frederik Pankok
- Institute for Infection Control and Infectious Diseases, University Medical Center Göttingen, 37075 Göttingen, Germany; (F.P.); (S.T.)
| | - Stefan Taudien
- Institute for Infection Control and Infectious Diseases, University Medical Center Göttingen, 37075 Göttingen, Germany; (F.P.); (S.T.)
| | - Hagen Frickmann
- Department of Microbiology and Hospital Hygiene, Bundeswehr Hospital Hamburg, 20359 Hamburg, Germany;
- Institute for Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany; (A.H.); (T.K.); (P.W.)
| | - Stefanie Schoppen
- Department of Health and Social Science, Hochschule Fresenius, 20148 Hamburg, Germany
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