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Risk Factors Associated with Prevalence of Candida albicans, Gardnerella vaginalis, and Trichomonas vaginalis among Women at the District Hospital of Dschang, West Region, Cameroon

ABSTRACT: Background Vaginal or genitourinary infections are a major cause of morbidity, sterility, and increase in the vulnerability to cancers and HIV/AIDS infection. The aim of this study was to determine the prevalence of vaginal infections of C. albicans, G. vaginalis, and T. vaginalis among women in the locality of Dschang, West Region of Cameroon. Method A prospective study was carried out in the District Hospital of Dschang. After obtaining informed consent, one thousand and one (1001) samples of vaginal swabs were collected. Biological diagnosis was carried out on fresh samples, Gram stained, and then cultivated in Sabouraud agar in a Petri dish, in order to isolate and identify the various infectious agents. Results Five hundred and twenty-five (525) women were diagnosed positive, hosting at least one of these microorganisms, making an overall prevalence of 52.44%. Two hundred and fifty-six (256) women (25.57%) were infected with C. albicans, and 171 (17.08%) with G. vaginalis. Ninety-five (9.49%) were infected with both C. albicans and G. vaginalis, 2 (0.20%) with C. albicans and T. vaginalis, and 1 (0.1%) with G. vaginalis and T. vaginalis. Conclusion Drastic measures should be taken in order to improve life styles to regress the frequency of these infections. Results obtained in this study, will help to educate and shed more light on the prevalence of vaginal infections in the West Region of Cameroon.

SUBMITTER: Payne V

PROVIDER: S-EPMC7426772 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Project description:ObjectivesTo investigate the bacterial aetiologies and associated risk factors of gastroenteritis among typhoid suspected cases.DesignCross-sectional study.SettingThis study was conducted at Dschang District Hospital of the Menoua Division, West Region of Cameroon, between April-November 2019 and June 2020.ParticipantsParticipants aged ≥2 years (mean 34±18.77 years) and of both sex suspected of having typhoid fever were included, while non-suspected typhoid cases were excluded. Self-reported sociodemographic and health information at recruitment was obtained from 556 participants.MethodsCollected stool samples were examined macroscopically and microscopically and subjected to culture. After culture, Gram staining was performed, followed by biochemical testing and characterisation using the Analytical Profile Index (API-20E) test kit.Interventions'No intervention was done during the period of study.Outcome measuresWe identified bacterial causing gastroenteritis, and associated risk factors calculated using binary regression, adjusting for sociodemographic and health variables.ResultsOf 556 patients, 74.28% tested positive for gastroenteritis. Among pathogens responsible for gastroenteritis, Escherichia coli was found to be the main cause (21.1%), followed by Salmonella typhi (10.4%), Citrobacter diversus (8.2%), and Proteus mirabilis (8.2%), Proteus vulgaris (7.3%), whereas Citrobacter spp and Yersinia enterocolitica were less represented among pathogens causing the disease among patients. A significant difference (p=0.002) was observed between abdominal pain and all the micro-organisms isolated from the patients. Patients having primary level of education were significantly associated (p=0.017; 3.163 (95% CI 1.228 to 8.147)) with the prevalence of gastroenteritis. Consumption of beverages (Wald statistic: 4.823; OR: 2.471; 95% CI (1.102 to 5.539); p=0.028), use of modern toilet (Wald statistic: 4.471; OR: 1.723; 95% CI (1.041 to 2.852); p=0.034) were strongly associated with gastroenteritis and rearing of bird (Wald statistic: 4.880; OR: 0.560; 95% CI (0.335 to 0.937); p=0.027), was found to be protective.ConclusionAcute bacterial gastroenteritis is a significant cause of morbidity in Dschang, with the prevalence of 74.28%. Many pathogens accounted for gastroenteritis, and E. coli (21.1%) could be a major cause, followed by S. typhi (10.4%), C. diversus (8.2%), P. mirabilis (8.2%), P. vulgaris (7.3%), whereas Citrobacter spp and Y. enterocolitica were less represented. Gastroenteritis was highly associated with primary level of education, consumption of beverages, use of modern toilet while rearing of birds was unexpectedly found to be protective against Gastroenteritis. Further characterisation is planned.

Project description:Three Lactobacillus plantarum strains ATG-K2, ATG-K6, and ATG-K8 were isolated from Kimchi, a Korean traditional fermented food, and their probiotic potentials were examined. All three strains were free of antibiotic resistance, hemolysis, and biogenic amine production and therefore assumed to be safe, as supported by whole genome analyses. These strains demonstrated several basic probiotic functions including a wide range of antibacterial activity, bile salt hydrolase activity, hydrogen peroxide production, and heat resistance at 70°C for 60 s. Further studies of antimicrobial activities against Candida albicans and Gardnerella vaginalis revealed growth inhibitory effects from culture supernatants, coaggregation effects, and killing effects of the three probiotic strains, with better efficacy toward C. albicans. In vitro treatment of bacterial lysates of the probiotic strains to the RAW264.7 murine macrophage cell line resulted in innate immunity enhancement via IL-6 and TNF-? production without lipopolysaccharide (LPS) treatment and anti-inflammatory effects via significantly increased production of IL-10 when co-treated with LPS. However, the degree of probiotic effect was different for each strain as the highest TNF-? and the lowest IL-10 production by the RAW264.7 cell were observed in the K8 lysate treated group compared to the K2 and K6 lysate treated groups, which may be related to genomic differences such as chromosome size (K2: 3,034,884 bp, K6: 3,205,672 bp, K8: 3,221,272 bp), plasmid numbers (K2: 3, K6 and K8: 1), or total gene numbers (K2: 3,114, K6: 3,178, K8: 3,186). Although more correlative inspections to connect genomic information and biological functions are needed, genomic analyses of the three strains revealed distinct genomic compositions of each strain. Also, this finding suggests genome level analysis may be required to accurately identify microorganisms. Nevertheless, L. plantarum ATG-K2, ATG-K6, and ATG-K8 demonstrated their potential as probiotics for mucosal health improvement in both microbial and immunological contexts.

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Risk Factors Associated with Prevalence of Candida albicans, Gardnerella vaginalis, and Trichomonas vaginalis among Women at the District Hospital of Dschang, West Region, Cameroon

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