Introduction Urinary tract infection is one of the major causes of consultation, microbiologic exploration, intensive use of antibiotics worldwide, and the second leading cause of clinical consultation in community practice. Many bacteria play a role in the urinary tract infections etiology, including Enterobacteriaceae such as Escherichia coli ( E. coli ) and Klebsiella spp. Objective The study’s main objective was to examine the epidemiology of E. coli and Klebsiella pneumoniae ( K. pneumoniae ) uropathogenic strains resistant to antibiotics in Franceville. Methodology The study was carried out between January 2018 and June 2019 in Franceville South-East Gabon. We examined a total of 1086 cytobacteriological urine samples. The identification of E. coli and K. pneumoniae strains was carried out using the Vitek-2 compact automated system and the antibiogram with the disk diffusion method according to the European Committee on Antimicrobial Susceptibility Testing recommendations. Results The prevalence of urinary tract infections was 29.2% (317/1086), of which 25.1% and 4.1% were mono-infections and co-infections, respectively. The prevalence of UTIs with E. coli was 28.7% (91/317) with a predominance of isolation in women. K. pneumoniae was responsible for 16.2% (61/317) of UTIs. E. coli and K. pneumoniae Uropathogenic strains showed resistance to beta-lactams, quinolones and cotrimoxazole, whereas Nitrofurantoin, Amikacin, Imipenem and Ertapenem were the most active antibiotics against E. coli and K. pneumoniae uropathogenic strains. Conclusion This study showed a high prevalence of urinary tract infections with a major implication of E.coli and K. pneumoniae strains. E. coli and K. pneumoniae presented high frequency of resistance to antibiotics, highlighting the need to adapt their use accordingly at the local level.
Introduction Discomfort in women of childbearing age associated with vaginal infections, namely bacterial vaginosis (BV), aerobic vaginitis (AV), vulvovaginal candidiasis (VVC), and trichomoniasis (TV), represent a serious and ongoing gynecological complication throughout the world. Objective This study aimed to investigate the etiologies of vaginal infections among outpatients in south-eastern Gabon. Methodology A cross-sectional study was designed using participants referred directly by their treating doctor for a vaginal swab. Socio-demographic data were collected using a structured questionnaire. Microscopic examinations were used for TV and BV diagnostic. All vaginal swabs were cultured for AV and VVC isolates using standard microbiology methods. Results A total of 573 women of reproductive age participated in the study. The most common identified vaginal infections were BV (62.8%) and AV (51.1%) followed by VVC (34.1%). No significant difference was observed for each etiology compared to socio-demographic data. Streptococcus B (23.9%), Staphylococcus aureus (17.7%), Klebsiella spp. (11.6%), and E. coli (5.8%) were the bacteria most associated with AV. A high incidence of non- C . albicans Candida (NCAC) strains causing vulvovaginitis were found. The prevalence of TV (2.1%) was low. Mixed infections had been common among participants. No association was found with TV and other vaginal infections, unlike others studies. The present study identified BV 228 (83.5%) and AV 227 (83.2%) as the main cause of mixed infections. The mixed infection AV-BV 113 (41.4%) was the most represented. Conclusion Also that simultaneous AV-BV-VVC represented 69 (25.3%) of mixed infections. Molecular analyses would be needed to identify the key species commonly associated with these vaginal infections.
Background Urinary tract infections (UTIs) in children are very common. They are often associated with a high risk of sepsis and death. In recent years, antibiotic-resistant uropathogens ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacteriaceae) are increasingly encountered in UTIs. These bacteria, usually multidrug-resistance (MDR), extensive drug-resistance (XDR), pandrug-resistance (PDR), Extended-spectrum cephalosporin-resistance (ESC), Usual Drug Resistance (UDR), Difficult-to-Treat Resistance (DTR) and Carbapenem-resistance Enterobacteriales (CRE), represent a global threat for the management of paediatric UTIs. The aim of this study was to determine the epidemiology of community origin and antibiotic sensitivity of major ESKAPE uropathogens in paediatric UTIs in South-East Gabon. Methods The study involved 508 children aged 0–17 years. Identification of bacterial isolates was carried out using Vitek-2 compact automated system and the antibiogram with the disk diffusion and microdilution methods according to the European Committee on Antimicrobial Susceptibility Testing recommendations. Logistic regression analysis was used to assess the impact of patients' socio-clinical characteristics on uropathogens phenotype in both univariate and multivariate analysis. Results The prevalence of UTIs was 59%. E. coli (35%) and K. pneumoniae (34%) were the main ESKAPE involved in UTIs followed by Enterococcus spp. (8%) and S. aureus (6%). Among major ESKAPE, DTR-E. coli (p = 0.01), CRE-E. coli (p = 0.02) and XDR-E. coli (p = 0.03), Trimethoprim-sulfamethoxazole-resistant bacteria (p = 0.03) were associated with abdomino-pelvic pain. While MDR-E. coli (p < 0.001), UDR-E. coli (p = 0.02), ESC-E. coli (p < 0.001), MDR- Enterococcus (p = 0.04), UDR- Enterococcus (p = 0.02), bacteria resistant to Ampicillin (p < 0.01), Cefotaxime (p = 0.04), Ciprofloxacin (p < 0.001), Benzylpenicillin (p = 0.03) and Amikacin (p = 0.04) were more frequent among male children. MDR-Enterococcus (p < 0.01), bacteria resistant to Amoxicillin-clavulanic acid (p = 0.03), Cefalotin (p = 0.01), Ampicillin (p = 0.02) and Gentamicin (p = 0.03) were associated with treatment failure. In addition, Trimethoprim-sulfamethoxazole-resistant bacteria (p = 0.03) was associated with recurrent UTIs while those resistant to Ciprofloxacin was associated with pollakiuria (p = 0.01) and urinary burning (p = 0.04). Furthermore, UDR-K. pneumoniae (p = 0.02) was more frequent in neonates and infants. Conclusion This study determined the epidemiology of ESKAPE uropathogens in paediatric UTIs. It found a high prevalence of paediatric UTIs associated with children’s socio-clinical characteristics and diverse bacterial antibiotic resistance phenotypes.
Background. In Gabon, malaria remains a major public health problem. All malaria cases with axillary temperature ≥ 37.5°C with a parasites density ≥ 1200/μL are serious cases and must be treated as a medical emergency. Thus, early diagnosis is essential for successful treatment. Because of the impact of malaria on the population, the surveillance of malaria infections in hospitals is urgently needed. The aim of this study was to to assess of clinical cases of malaria in a private health structure in Franceville between 2017 and 2019. Methods. For that, we conducted a retrospective study using data on malaria cases recorded in a private medical analysis laboratory in Franceville, southeast Gabon. Malaria was diagnosed in this laboratory using a Rapid Diagnostic Test and confirmed by microscopic analysis. Results. Analysis of 2518 patient forms revealed an increase in malaria prevalence in Franceville between 2017-2019. The global clinical cases was 26.1% (658/2015). Children under 5 years (44.0%) and patients aged 5-14 years (40.1%) were more affected than patients aged ≥15 years (18.8%, P=0.0001). Malaria infection was also significantly dependent on season and gender. We observed at least three Plasmodium species and the predominant Plasmodium species was P. falciparum 80.0%, followed by P. ovale (19.5%) and P. malariae (17.8%). Conclusion. Our study showed that malaria remains a public health priority for the population of Franceville and that the prevalence of clinical cases of malaria at the laboratory decrease between 2017 and 2019. Our results highlight the need for strategies to control malaria in Franceville, adapted to epidemiological contexts and environmental constraint.
Background: Urinary tract infections (UTIs) in children are very common. They are often associated with a high risk of sepsis and death. In addition, antibiotic resistance of UTI pathogens isolated from children is steadily increasing, especially against commonly used antibiotics. The study’s main objective was to examine the epidemiology of community origin and antibiotic sensitivity of major ESKAPE uropathogens in paediatric UTIs in South-East Gabon. Methods:The study was conducted from January 2018 to December 2021 and involved 508 children aged 0-17 years. Identification of bacterial isolates was carried out using the Vitek-2 compact automated system and the antibiogram with the disk diffusion and microdilution methods according to the European Committee on Antimicrobial Susceptibility Testing recommendations. Results: The prevalence of UTIs was 59%. E. coli and K. pneumoniae were the main ESKAPE involved in UTIs followed by Enterococcus spp. and S.aureus. The multidrug-resistant (MDR) phenotype was the most common. DTR-E. coli, CRE-K. pneumoniae and MDR-K. pneumoniae were associated with pyelonephritis. MRSA UTIs were frequent in symptomatic children. ESC-E. coli and MRSA were associated with recurrent UTIs while VRE and ESC-E. coli were associated with empirical treatment failures. MDR-E. coli, ESC-E. coli, MDR-K. pneumoniae, ESC-K. pneumoniae, UDR-K. pneumoniae, CRE-K. pneumoniae and XDR-K. pneumoniae were associated with rural paediatric populations. Conclusion: This study describes the resistance phenotypes DTR, UDR and MAR index in Gabon. It showed a high prevalence of paediatric UTIs with high frequency of E. coli, K. pneumoniae, Enterococcus spp. and S. aureus with heterogeneous resistance profiles (MDR, XDR, DTR, ESC, CRE, MRSA and VRE).
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