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Prevalence of Group B Streptococcus among Pregnant Women in Bobo-Dioulasso (Burkina Faso)

Open Journal of Medical Microbiology 2019年第3期9卷 63-76页

作者： Abdoul-Salam Ouédraogo Yacouba Sawadogo Der Adolphe Somé An Vercoutere Soufiane Sanou Souleymane Ouattara Fernand Michodigni Armel Poda Moussa Bambara Lassana Sangaré sylvain.godreuil Departement of Microbiology Laboratory Sour&ocirc Sanou University Hospital Bobo Dioulasso Burkina Faso Department of Obstetrics and Gynecology Sour&ocirc Sanou University Hospital Bobo Dioulasso Burkina Faso Faculty of Medecine and health Sciences Ghent University Ghent Belgium Departement of Infectiology Sour&ocirc Sanou University Hospital Bobo Dioulasso Burkina Faso Departement of Microbiology Laboratory Yalgado Ouedraogo University Hospital Ouagadougou Burkina Faso Bacteriology-Virology Laboratory Montpellier University Hospital Montpellier France

Background: Group B Streptococcus (GBS) or Streptococcus agalactiae, which asymptomatically colonizes the female genital tract, is one of the leading causes of septicemia, meningitis and pneumonia in neonates. This study was conducted in Bobo Dioulasso, Burkina Faso to determine the prevalence of GBS colonization among pregnant women. Methods: Six hundred and eleven (611) pregnant women were screened for GBS colonization between July and December 2016. Vaginal swab samples were aseptically collected from the subjects after oral informed consent. Standard microbiological methods were used to isolate and identify GBS isolates. The antibiotic susceptibility profile of GBS isolates was assessed using the Kirby-Bauer disk diffusion method. Results: Colonization prevalence was 6.05%. No risk factors associated with the carriage rate was statistically identified. All isolates were susceptible to Amoxicillin, Ampicillin, Cefotaxime, Levofloxacin, Vancomycin and Nitrofurantoin. Resistance to antibiotics was found for erythromycin (35.14%), lincomycin (16.22%) and penicillin G (10.81%). Conclusion: Although a low carriage (6.05%) rate and isolates were susceptible to many antibiotics found in this study, a policy of systematic screening of pregnant women at least in the third trimester must be promoted.

关键词： Group B Streptococcus Prevalence GBS Carriage Burkina Faso

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Can the Urine Dipstick Test Be an Alternative in the Screening of Urinary Tract Infections for Inpatients in the Context of a Low-Income Country?

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Advances in Infectious Diseases 2023年第4期13卷 627-640页

作者： André Nagalo Odilon D. Kaboré Senkaye-Lagom Aimée Kissou Hervé Kafando Boukary Kabré Emmanuel Zongo Cheick Ahmed Ouattara Yacouba Sawadogo Aoua Semdé Jacques Zoungrana Armel Poda sylvain.godreuil Abdoul-Salam Ouédraogo Bacteriology-Virology Laboratory Sour&#244 Sanou University Hospital Bobo-Dioulasso Burkina Faso Biomedical Analysis Laboratory Regional University Hospital of Ouahigouya Ouahigouya Burkina Faso Department of Medical Pediatrics Sour&#244 Sanou University Hospital Bobo-Dioulasso Burkina Faso Bacteriology-Virology Laboratory Yalgado Ouedraogo University Hospital Ouagadougou Burkina Faso Department of Urology-Andrology Regional Hospital of Tenkodogo Tenkodogo Burkina Faso Information Epidemiology Research and Planning Department Sour&#244 Sanou University Hospital Bobo-Dioulasso Burkina Faso Department of Nephrology-Hemodialysis Sour&#244 Sanou University Hospital Bobo-Dioulasso Burkina Faso Department of Infectious Diseases Sour&#244 Sanou University Hospital Bobo-Dioulasso Burkina Faso Laboratory of Bacteriology of the Arnaud de Villeneuve University Hospital Montpellier France

Background: Urinary Tract Infection (UTI), a prevalent bacterial infection in adults, heavily relies on cytobacteriological examination of urine (CBEU) for diagnosis. However, in resource-limited countries, accessibility to CBEU remains hindered by cost and availability. This study aims to assess the utility of the Urinary Dipstick Test (UDT) in diagnosing UTIs among hospitalized patients in the context of limited resources. Methods: A cross-sectional study was conducted from February to May 2019, encompassing hospitalized patients who underwent CBEU at the bacteriology unit of Sour? Sanou University Hospital. UDT and CBEU were concurrently performed, and UDT’s analytical and diagnostic performance was evaluated against CBEU, considered the gold standard. Results: A total of 274 CBEU requests were registered, involving 274 patients (159 males) with a mean age of 45.8 ± 21.3 years (ranging from 1 to 90 years). UTI was confirmed in 90 patients, yielding a frequency of 32.85%. The UTI bacteriological profile was dominated by Enterobacteriaceae (75.23%), primarily Escherichia coli (60.55%). Nitrite and Leukocytes were positive in 54 (19.8%) and 157 (53.6%) of the samples tested. Among patients with confirmed UTI, Nitrite, and Leukocytes were positive in 30 (33%) and 71 (79%) patients respectively. UDT demonstrated variable performance based on nitrite and leukocyte combination: Sensitivity (57%-82%), Specificity (7%-98%), Positive Predictive Value (PPV) (43%-57%), Negative Predictive Value (NPV) (43%-67%). UDT performed slightly better in women (NPV = 88%) and inpatients without urinary catheters (NPV = 75% and PPV = 80%). Conclusion: This study underscores UDT’s potential utility in excluding UTIs among women, younger patients, and inpatients without urinary catheters, albeit with limited confidence. The UDT emerges as a complementary tool for UTI screening, particularly in resource-limited settings.

关键词： Urine Dipstick Test Urinary Tract Infection LMICs Burkina Faso

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Phenotipic Prevalence of Antibiotic Resistance in Gabon

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Open Journal of Medical Microbiology 2021年第2期11卷 100-118页

作者： Annicet-Clotaire Dikoumba Richard Onanga Pierre Philippe Mbehang Nguema Laurette G. Mangouka Berthe Amélie Iroungou Fabrice Kassa Kassa Berthold Bivigou Mboumba Elvire Mbongo Kama Jean-Fabrice Yala Edgard-Brice Ngoungou sylvain.godreuil Hô pital d’Instruction des Armées Omar Bongo Ondimba Département de biologie médicale Libreville Gabon Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF) Laboratoire de Bactériologie de Recherche Unité de recherche et d’Analyses Médicales (URAM) Franceville Gabon Centre Hospitalier Universitaire de Montpellier Laboratoire de Bactériologie France Institut de Recherche en Ecologie Tropicale (IRET/CENAREST) Département Ecologie animale Libreville Gabon Hô pital d’Instruction des Armées Omar Bongo Ondimba Département de Médecine Libreville Gabon Unité mixte de Recherche Santé Militaire/CIRMF Libreville Gabon Université des sciences et techniques de Masuku (USTM) Laboratoire de Biologie Moléculaire et Cellulaire équipe de Microbiologie et Immunologie Franceville Gabon Université des Sciences de la Santé Faculté de Médecine Département d’Epidémiologie Biostatistiques et Informatique Médicale (DEBIM)/Unité de Recherche en Epidémiologie des Maladies Chroniques et Santé Environnement (UREMCSE) Libreville Gabon MIVEGEC IRD CNRS Université de Montpellier Montpellier France

Background: The increasing phenomenon of bacterial resistance to antibiotics is a real public health problem. The main causes are poor management of hygiene and water quality, but also the use of antibiotics without precaution. The objective of this study was to isolate and determine the antibiotic resistance profile of the different bacteria found in the main hospitals and bacteriology laboratories in Gabon. Methods: 6034 samples were taken from hospitals in seven main cities of Gabon, and analyzed according to the usual techniques. The pathogenic strains were identified by Matrix-Assisted Laser Desorption Ionization-Time Of Flight Mass Spectrometry. Antimicrobial susceptibility testing was performed by the agar disc diffusion method, according to the Antibiogram Committee of the French Society for Microbiology guidelines. Results: 974 pathogenic bacterial strains were found, including 890/974 (91.4%) Gram-negative bacilli. The systematic antimicrobial susceptibility testings identified 160/974 (16.4%) multi-resistant strains. Escherichia coli was the most represented species. 12.5% - 25% of Escherichia coli, Klebsiel

关键词： Gabon Antibiotic Resistance Profiles Methicillin-Resistant S. aureus (MRSA) Extended Spectrum Beta-Lactamase-Producing Enterobacteriaceae (ESBL-PE) Carbapenems

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Molecular Detection of Pathogens Involved in Sexually Transmitted Infections in Brazzaville, Congo

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Open Journal of Medical Microbiology 2024年第3期14卷 190-205页

作者： Jeanine Mireille Sita Maboundou Bitsi Nina Esther Ngoyi Ontsira Edith Sophie Kombo Bayonne Tanguy Mieret Geril Sekangue Obili Herlen Tsoumou Lina Foungou Kessengue Samantha Potokoue Mpia Chloé Dupont Guilhem Conquet Gickel Mpika Bitsene Bienvenu Roland Ibara Ossibi Axel Aloumba Etienne Nguimbi sylvain.godreuil Faculty of Sciences and Technology Marien NGOUABI University Brazzaville Republic of the Congo Faculty of Health Sciences Marien NGOUABI University Brazzaville Republic of the Congo Bacteriology-Virology Laboratory University Hospital Center Brazzaville Republic of the Congo Department of Infectious Diseases Referral Hospital Center of Talanga Brazzaville Republic of the Congo Parasitology-Mycology Laboratory University Hospital Center Brazzaville Republic of the Congo Department of Gynecology-Obstetrics University Hospital Center Brazzaville Republic of the Congo UMR IRD224-CNRS5290-UM MIVEGEC Infectious Diseases and Vectors: Ecology Genetics Evolution and Control CREES (Reshearch Center in Ecology and Evolution Health) Montpellier France Bacteriology Laboratory Arnaud de Villeneuve University Hospital CHU of Montpellier Montpellier France Department of Infectious Diseases University Hospital Center Brazzaville Republic of the Congo

The objective of this multicentric study was to assess the prevalence of Chlamydia trachomatis, Neisseria gonorrhoeae, Mycoplasma génitalium and Trichomonas vaginalis infections in Brazzaville, in the Republic of Congo, using molecular methods. From January to December 2021, the sexually transmitted disease risk participants were recruited from six centers: The Association of Young HIV-Positive People of Congo, The Congolese Association for Family Welfare, The Association for Support to Vulnerable Groups, Talangaï hospital, Brazzaville university hospital (outpatient service) and the private clinic COGEMO (outpatient service). The real-time multiplex PCR was carried out to detect these pathogens. Each patient had at least one specimen (urine, urethral, anal and/or vaginal samples). The patients were considered infected when one of their samples was positive. 287 participants made of 227 women and 60 men were tested. The general prevalence of these infections was: Chlamydia trachomatis 2.79%, Neisseria gonorrhoeae 3.14%, Mycoplasma génitalium 3.45% and Trichomonas vaginalis 2.97. The prevalence rates according to sex were: C. trachomatis, M. génitalium, N. gonorrhea and T. vaginalis were 1.32%, 2.05%, 1.32% and 3.42% in women and 8.33%, 7.02%, 10% and 1.75% in men, respectively. Most infected patients were asymptomatic. Prevalence rates were higher in bisexual individuals, with the exception of T. vaginalis which showed higher prevalence in heterosexual patients. The bisexual and homosexual individuals represent a major public health problem in sexually active young adults, particularly among men having sex with men. These sexually transmitted infections are mainly asymptomatic, their diagnosis and management remain difficult in developing countries.

关键词： Prevalence Chlamydia trachomatis Neisseria gonorrhoeae Mycoplasma génitalium Trichomonas vaginalis

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