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Epidemiology of carbapenem-resistant Acinetobacter baumannii colonization in neonatal intensive care units:A systematic review and meta-analysis

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World Journal of Meta-Analysis 2024年第1期12卷 1-10页

作者： Donatien Serge Mbaga Sebastien Kenmoe Seraphine Nkie Esemu Arnol Bowo-Ngandji Nene Kaah Keneh Jane-Francis Tatah Kihla Akoachere Hortense Kamga Gonsu Roland ndip ndip Jean Thierry Ebogo-Belobo Cyprien Kengne-Ndé Nicholas Tendongfor Jean Paul Assam Assam lucy mande ndip Jacky Njiki Bikoï Sara Honorine Riwom Essama Department of Microbiology The University of Yaounde IYaounde 00237Cameroon Department of Microbiology and Parasitology University of BueaBuea 00237Cameroon Faculty of Medicine and Biomedical Sciences The University of Yaounde IYaounde 00237Cameroon Center for Research in Health and Priority Pathologies Institute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Epidemiological Surveillance Evaluation and Research UnitNational AIDS Control CommitteeDouala 00237Cameroon

BACKGROUND The rising prevalence of carbapenem-resistant Acinetobacter baumannii(CRAB)in neonatal intensive care units(NICUs)represents an escalating challenge in healthcare settings,particularly in managing hospital-acquired infections(HAIs).Studies across various World Health Organization regions have documented a significant incidence of CRAB-related HAIs,with rates as high as 41.7 cases per 1000 patients in ICUs,accounting for 13.6%of all *** infections pose a doubled mortality risk compared to infections with carbapenem-susceptible Acinetobacter baumannii.A particularly concerning aspect of CRAB colonization is its asymptomatic nature,enabling its transmission through healthcare workers(HCWs)or the NICU environment to vulnerable neonates with developing immune *** To explore the prevalence of CRAB colonization in NICUs,focusing on neonates,healthcare workers,and the environmental samples,to enhance epidemiological understanding and inform targeted *** We conducted according to PRISMA 2020 checklist guidelines,a comprehensive literature search across multiple databases including MEDLINE(Ovid),EMBASE(Ovid),Global Health(Ovid),Web of Science,and Global Index *** were selected based on predetermined criteria,primarily involving neonates,HCWs,and environmental swabs,using culture or molecular methods to detect CRAB *** excluded studies that did not specifically focus on NICUs,were duplicates,or lacked necessary *** study selection and quality assessment were conducted independently by two *** extraction involved collecting comprehensive details about each *** statistical analysis used a random-effects model to calculate the pooled prevalence and confidence intervals,stratifying results by regional *** assessed study heterogeneity using Cochran's Q statistic and I²statistic,with regression tests employed to evaluate potential publication *** We analyzed 737 records from f

关键词： Colonization Carbapenem-resistant Acinetobacter baumannii Neonatal intensive-care unit

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A Review on Brucellosis in Cameroon: Diagnostic Approaches, Epidemiology and Risk Factors for Infection

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Advances in Microbiology 2022年第7期12卷 415-442页

作者： Seraphine Mojoko Eko Seraphine Nkie Esemu Anong Damian Nota lucy mande ndip Department of Biomedical Sciences Faculty of Health Sciences University of Buea Buea Cameroon Department of Microbiology and Parasitology Faculty of Science University of Buea Buea Cameroon Laboratory for Emerging Infectious Diseases University of Buea Buea Cameroon Department of Biological Sciences Faculty of Science University of Bamenda Bamenda Cameroon

Brucellosis is a neglected tropical zoonotic disease that threatens the food production and public health sectors. It is of considerable animal welfare and economic importance and is underreported in most parts of the world, especially in developing countries like Cameroon. Brucellosis has been reported in cattle, other domestic animals and humans in Cameroon. The burden of the disease is unclear, and the awareness remains questionable. It became necessary for this review to be carried out to highlight the diagnostic approaches used to confirm brucellosis in animals and humans, disease epidemiology and risk factors for infection. So far, reports of brucellosis in previous studies have been based on serology only. Seroprevalence data of Brucella antibodies in animals indicate the risk of human brucellosis in Cameroon. However, few investigations have been undertaken on human brucellosis, considering the different epidemiological settings. There is no report or unsuccessful attempts to identify Brucella species circulating in Cameroon. It could largely be attributed to a lack of standard laboratories for testing and the lack of consumables. The way forward will require a surveillance system for brucellosis in the country, educating all sectors affected and drafting a diagnostic protocol for high-risk individuals.

关键词： Brucella Brucellosis Epidemiology Diagnosis Risk Factors Cameroon

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Association between early viral lower respiratory tract infections and subsequent asthma development

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World Journal of Critical Care Medicine 2022年第4期11卷 298-310页

作者： Sebastien Kenmoe Etienne Atenguena Okobalemba Guy Roussel Takuissu Jean Thierry Ebogo-Belobo Martin Gael Oyono Jeannette Nina Magoudjou-Pekam Ginette Irma Kame-Ngasse Jean Bosco Taya-Fokou Chris Andre Mbongue Mikangue Raoul Kenfack-Momo Donatien Serge Mbaga Arnol Bowo-Ngandji Cyprien Kengne-Ndé Seraphine Nkie Esemu Richard Njouom lucy ndip Department of Microbiology and Parasitology University of BueaBuea 00237Cameroon Department of Virology Centre Pasteur of CameroonYaounde 00237Cameroon Faculty of Medicine and Biomedical Science The University of Yaounde IYaounde 00237Cameroon Centre of Research in Food Food Security and NutritionInstitute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Medical Research Centre Institute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Laboratory of Parasitology and Ecology The University of Yaounde IYaounde 00237Cameroon Department of Biochemistry The University of Yaounde IYaounde 00237Cameroon Department of Microbiology The University of Yaounde IYaounde 00237Cameroon Epidemiological Surveillance Evaluation and Research UnitNational Aids Control CommitteeDouala 00237Cameroon

BACKGROUND The association between hospitalization for human respiratory syncytial virus(HRSV)bronchiolitis in early childhood and subsequent asthma is well *** long-term prognosis for non-bronchiolitis lower respiratory tract infections(LRTI)caused by viruses different from HRSV and rhinovirus,on the other hand,has received less *** To investigate the relationship between infant LRTI and later asthma and examine the influence of confounding *** The PubMed and Global Index Medicus bibliographic databases were used to search for articles published up to October 2021 for this systematic *** included cohort studies comparing the incidence of asthma between patients with and without LRTI at≤2 years regardless of the virus *** meta-analysis was performed using the random effects *** of heterogeneity were assessed by stratified *** This review included 15 articles(18 unique studies)that met the inclusion *** at≤2 years were associated with an increased risk of subsequent asthma up to 20 years[odds ratio(OR)=5.0,95%CI:3.3-7.5],with doctor-diagnosed asthma(OR=5.3,95%CI:3.3-8.6),current asthma(OR=5.4,95%CI:2.7-10.6),and current medication for asthma(OR=1.2,95%CI:0.7-3.9).Our overall estimates were not affected by publication bias(P=0.671),but there was significant heterogeneity[I 2=58.8%(30.6-75.5)].Compared to studies with hospitalized controls without LRTI,those with ambulatory controls had a significantly higher strength of association between LRTIs and subsequent *** strength of the association between LRTIs and later asthma varied significantly by country and age at the time of the *** sensitivity analyses including only studies with similar proportions of confounding factors(gender,age at LRTI development,age at interview,gestational age,birth weight,weight,height,smoking exposure,crowding,family history of atopy,and family history of asthma)between cases and controls

关键词： Asthma Lower respiratory tract infections Respiratory viruses Long term sequelae Children

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Systematic review and meta-analysis of seroprevalence of human immunodeficiency virus serological markers among pregnant women in Africa, 1984-2020

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World Journal of Critical Care Medicine 2023年第5期12卷 264-285页

作者： Jean Thierry Ebogo-Belobo Sebastien Kenmoe Chris Andre Mbongue Mikangue Serges Tchatchouang Lontuo-Fogang Robertine Guy Roussel Takuissu Juliette Laure Ndzie Ondigui Arnol Bowo-Ngandji Raoul Kenfack-Momo Cyprien Kengne-Ndé Donatien Serge Mbaga Elisabeth Zeuko'o Menkem Ginette Irma Kame-Ngasse Jeannette Nina Magoudjou-Pekam Josiane Kenfack-Zanguim Seraphine Nkie Esemu Paul Alain Tagnouokam-Ngoupo lucy ndip Richard Njouom Center for Research in Health and Priority Pathologies Institute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Department of Microbiology and Parasitology University of BueaBuea 00237Cameroon Department of Microbiology The University of Yaounde IYaounde 00237Cameroon Scientific Direction Centre Pasteur du CamerounYaounde 00237Cameroon Department of Animal Biology University of DschangDschang 00237Cameroon Centre for Food Food Security and Nutrition ResearchInstitute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Department of Biochemistry The University of Yaounde IYaounde 00237Cameroon Epidemiological Surveillance Evaluation and Research UnitNational AIDS Control CommitteeDouala 00237Cameroon Department of Biomedical Sciences University of BueaBuea 00237Cameroon Department of Virology Centre Pasteur du CamerounYaounde 00237Cameroon

BACKGROUND Human immunodeficiency virus(HIV)is a major public health concern,particularly in Africa where HIV rates remain *** women are at an increased risk of acquiring HIV,which has a significant impact on both maternal and child *** To review summarizes HIV seroprevalence among pregnant women in *** also identifies regional and clinical characteristics that contribute to study-specific estimates *** The study included pregnant women from any African country or region,irrespective of their symptoms,and any study design conducted in any *** electronic literature searches,articles published until February 2023 were *** quality of the included studies was *** DerSimonian and Laird random-effects model was applied to determine HIV pooled seroprevalence among pregnant women in *** and sensitivity analyses were conducted to identify potential sources of *** was assessed with Cochran's Q test and I2 statistics,and publication bias was assessed with Egger's *** A total of 248 studies conducted between 1984 and 2020 were included in the quantitative synthesis(meta-analysis).Out of the total studies,146(58.9%)had a low risk of bias and 102(41.1%)had a moderate risk of *** HIV-positive pregnant women died in the included *** overall HIV seroprevalence in pregnant women was estimated to be 9.3%[95%confidence interval(CI):8.3-10.3].The subgroup analysis showed statistically significant heterogeneity across subgroups(P<0.001),with the highest seroprevalence observed in Southern Africa(29.4%,95%CI:26.5-32.4)and the lowest seroprevalence observed in Northern Africa(0.7%,95%CI:0.3-1.3).CONCLUSION The review found that HIV seroprevalence among pregnant women in African countries remains significant,particularly in Southern African *** review can inform the development of targeted public health interventions to address high HIV seroprevalence

关键词： Human immunodeficiency virus Pregnant women Africa Prevalence Review Meta-analysis

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Global prevalence of occult hepatitis C virus: A systematic review and meta-analysis

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World Journal of Methodology 2022年第3期12卷 179-190页

作者： Donatien Serge Mbaga Sebastien Kenmoe Jacky Njiki Bikoï Guy Roussel Takuissu Marie Amougou-Atsama Etienne Atenguena Okobalemba Jean Thierry Ebogo-Belobo Arnol Bowo-Ngandji Martin Gael Oyono Jeannette Nina Magoudjou-Pekam Ginette Irma Kame-Ngasse Alex Durand Nka Alfloditte Flore Feudjio Cromwel Zemnou-Tepap Elie Adamou Velhima Juliette Laure Ndzie Ondigui Rachel Audrey Nayang-Mundo Sabine Aimee Touangnou-Chamda Yrene Kamtchueng Takeu Jean Bosco Taya-Fokou Chris Andre Mbongue Mikangue Raoul Kenfack-Momo Cyprien Kengne-Ndé Carole Stephanie Sake Seraphine Nkie Esemu Richard Njouom lucy ndip Sara Honorine Riwom Essama Department of Microbiology The University of Yaounde IYaounde 00237Cameroon Department of Microbiology and Parasitology University of BueaBuea 00237Cameroon Department of Virology Centre Pasteur of CameroonYaounde 00237Cameroon Centre of Research in Food Food Security and NutritionInstitute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Centre de Recherche sur les Maladies Emergentes et Re-Emergentes Institute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Faculty of Medicine and Biomedical Science The University of Yaounde IYaounde 00237Cameroon Medical Research Centre Institute of Medical Research and Medicinal Plants StudiesYaounde 00237Cameroon Laboratory of Parasitology and Ecology The University of Yaounde IYaounde 00237Cameroon Department of Biochemistry The University of Yaounde IYaounde 00237Cameroon Virology Laboratory Chantal Biya International Reference Center for Research on HIV/AIDS Prevention and ManagementYaounde 00237Cameroon

BACKGROUND Occult hepatitis C infection(OCI)is characterized by the presence of hepatitis C virus(HCV)RNA in the liver,peripheral blood mononuclear cells(PBMC)and/or ultracentrifuged serum in the absence of detectable HCV-RNA in *** has been described in several categories of populations including hemodialysis patients,patients with a sustained virological response,immunocompromised individuals,patients with abnormal hepatic function,and apparently healthy *** To highlight the global prevalence of *** We performed a systematic and comprehensive literature search in the following 4 electronic databases PubMed,EMBASE,Global Index Medicus,and Web of Science up to 6th May 2021 to retrieve relevant studies published in the *** studies were unrestricted population categories with known RNA status in serum,PBMC,liver tissue and/or ultracentrifuged *** were extracted independently by each author and the Hoy et al tool was used to assess the quality of the included *** used the random-effect meta-analysis model to estimate the proportions of OCI and their 95%confidence intervals(95%CI).The Cochran's Q-test and the I2 test statistics were used to assess heterogeneity between *** plot and Egger test were used to examine publication bias.R software version 4.1.0 was used for all *** The electronic search resulted in 3950 *** obtained 102 prevalence data from 85 included *** pooled prevalence of seronegative OCI was estimated to be 9.61%(95%CI:6.84-12.73)with substantial heterogeneity[I^(2)=94.7%(95%CI:93.8%-95.4%),P<0.0001].Seropositive OCI prevalence was estimated to be 13.39%(95%CI:7.85-19.99)with substantial heterogeneity[I^(2)=93.0%(90.8%-94.7%)].Higher seronegative OCI prevalence was found in Southern Europe and Northern Africa,and in patients with abnormal liver function,hematological disorders,and kidney *** seropositive OCI prevalence was found in Southern Europe,Northern

关键词： Occult hepatitis C virus infection Prevalence Worldwide Peripheral blood mononuclear cells Hepatitis C virus

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