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16S rRNA Gene-Based Metagenomic Analysis of Soil Bacterial Diversity in Brazzaville, Republic of the Congo

Advances in Microbiology 2023年第9期13卷 477-498页

作者： ir.ne Marie Cécile Mboukou Kimbatsa Itsouhou Ngô Armel Ibala Zamba Faly Armel Soloka Mabika Thantique Moutali Lingouangou Joseph Goma-Tchimbakala Etienne Nguimbi Laboratoire de Biologie Cellulaire et Moléculaire (BCM) Faculté des Sciences et Techniques Université Marien Ngouabi Brazzaville Republic of the Congo Unité de Recherche en Bioinformatique et Microbiologie Moléculaire Faculté des Sciences et Techniques Université Marien Ngouabi Brazzaville Republic of the Congo Institut National de Recherche en Sciences Exactes et Naturelles (irSEN) Brazzaville Republic of the Congo

Soil contains a great diversity of microorganisms, among which are bacteria. This study aimed to explore bacterial diversity in soil samples in Brazzaville in the Republic of the Congo. Environmental DNA was extracted. The illumina MiSeq sequencing was held and the diversity indices have been computed. Illumina MiSeq sequencing revealed 21 Phyla, four of which were abundant: Proteobacteria, Acidobacteria, Actinobacteria and Bacteroidetes. Soil microbial communities in the studied samples were phylogenetically diverse but with a stable community structure. 17 classes are represented with relative abundances of Rihzobiales, Bacillales, Actinomycetales and Acidobacteriales. 40 families, the Alphaproteobacteria, the Bacilli and the 12 Actinobacteria. 83 orders among which the Rhizobiales are the most abundant followed by Bacillales and the least abundant followed by the Flavobacteriaceae. Of the 28 genera listed, the Bradyrhizobium is the most dominant in Mw3 and Mw4. 25 listed species, Bradyrhizobium, Bacillus, Actinoplanes, and Candidatu coribacter Acidobacterium are the most abundant species. The Shannon indices of Mw3 and Mw4 are equal, the H’max of Mw4 is greater than the H’max of Mw3. The Simpson index of Mw4 is equal to the Simpson index of Mw3, and the Pielou index (J) of Mw4 is less than the R of Mw3, but very close. This study opens interesting perspectives on the knowledge and exploitation of telluric bacteria in several areas of life.

关键词： Metagenomic Sequencing 16S rRNA Gene Soil Bacteria

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Large Conventional Osteosarcoma of the Proximal Humerus in a 13-Year-Old Child: Case Report

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Open Journal of Pediatrics 2024年第2期14卷 297-304页

作者： Lucienne ir.ne Patricia Ondima Rhodia Hélène Bosseba Missengue Cardinale Princilia Okiemy Niendet Nuptia Erica Akobande Jean Claude Mieret Caryne Mboutol-Mandavo Redy Atipo Galloye Judith Nsondé Malanda Jennifer Mave Sirimé Ngandzo Fabien Mouamba Faculty of Health Sciences Marien Ngouabi University Brazzaville Congo Paediatric Surgery Department Brazzaville University Hospital Centre Brazzaville Congo Department of General Surgery Brazzaville University Hospital Centre Brazzaville Congo Carcinology Department Brazzaville University Hospital Centre Brazzaville Congo Anatomo-Pathology Laboratory Brazzaville University Hospital Centre Brazzaville Congo

Introduction: Osteosarcoma is the most common primary malignant bone tumor in children. It is highly aggressive and has a poor prognosis. A late presentation modifies and makes difficult the management affecting the survival of children. We report the case of a large conventional osteosarcoma in a 13-year-old girl. Case Presentation: Adolescent girl admitted for painful swelling of the left shoulder with absolute functional impotence of the thoracic limb and severe anemia. The painful swelling was thought to have been caused by a minor trauma that had occurred six months previously. The patient’s general condition was poor, and she presented with a large, shiny, painful mass over the shoulder and upper 2/3 of the left arm, measuring 28 cm long by 28 cm wide and 57 cm in circumference, and a large fistulous axillary adenopathy. CT scan showed a tumour lesion of the left humerus with liver and lung metastases, raising suspicion of osteogenic osteosarcoma. The tumor was classified according to TNM staging: T2N1M1(a + b). Management was modified when uncontrolled bleeding developed. It consisted of an extended amputation of the left thoracic limb. Pathological analysis showed a high-grade conventional osteosarcoma. Quality improvement was obtained for thirty days, followed by the onset of dyspnea. The evolution was towards death at forty days post-operatively. Conclusion: Osteosarcoma is a highly aggressive cancer. Delayed treatment leads to a fatal outcome. Early diagnosis is one of the challenges to be met in order to improve survival.

关键词： Osteosarcoma Child Conventional Case Report

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The Interest of Endoscopy in the Diagnosis of Fallopian Tubes Diseases at the Yaoundé Gyneco-Obstetric and Pediatric Hospital (Ygoph)

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Open Journal of Obstetrics and Gynecology 2023年第4期13卷 767-774页

作者： Cyrille Léger Abega Claude Cyrille Noa Ndoua ir.ne Nadine Kouna Tsala Arielle Fonkou Gladys Ngono Ateba Tobie Eric Ntsobe Jean Cédric Fouda Rosine Mafoma Pascal Foumane Mother and Child Center Douala General Hospital Douala Cameroon Department of Gyneco-Obstetrics Faculty of Medicine and Biomedical Sciences University of Yaoundé I Yaoundé Cameroon University of Yaoundé I Yaoundé Cameroon Faculty of Medecine and Pharmaceutical Sciences University of Dschang Dschang Cameroon Garoua General Hospital Garoua Cameroon

Introduction: Fallopian diseases are often implicated in female infertility. Several radiological and surgical explorations have been proposed in order to evaluate the severity of lesions found in utero-adnexal pathology. Among tools that are used to investigate such pathologies, we have ultrasound, hysterosalpingography and endoscopy. But, in many developing countries like Cameroon, the usage of endoscopy in gynecology is not yet known by many practicians. The objective of our study was to show the interest of endoscopy in the diagnosis of fallopian tube pathologies. Methodology: We conducted a cross-sectional and descriptive study from March 1st, 2017 to May 31st, 2017 at the Gyneco-Obstetrics and Pediatric department of our Hospital. We included all women who presented infertility and underwent ultrasound, hysterosalpingography (HSG) and endoscopy at the Yaoundé Gyneco-obstetrics Hospital. We analyzed epidemiological parameters, clinics, ultrasound, hysterosalpingography and endoscopic finding. We used Cohen’s Kappa test to determine the correlation between HSG/endoscopy and ultrasound/endoscopy in the diagnosis of fallopian tube pathologies. The threshold was significant for a K-value > 0.20. Results: We got a sample of 156 women;the mean age was 32.6 ± 4.5 years. The Secondary infertility dominated in 66.7% of cases;31.1% of women presented a past medical history of sexually transmitted infections and 41.7% did abortions before. Endoscopic lesions were dominated by a fallopian obstruction in 54.5% of cases, 8.3% of adhesions, 33.9% of women presented uterine myomas, 37.8% of ovarian cysts and 1.3% of pelvic endometriosis. The K-values between HSG and endoscopy for distal and proximal tube obstructions were significant with respective thresholds of 0.25 and 0.30. The K-value between ultrasound and endoscopy was not significant with a threshold of 0.015 for the tubal hydrosalpinx. Conclusion: Endoscopy assessment appears as the most efficien

关键词： Fallopian Tube Endoscopy Hysterosalpingography Ultrasound

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Gradual Bedside Reduction of Gastroschisis in a Resource Constrained Setting: Preliminary Results from 32 Cases

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Open Journal of Pediatrics 2023年第5期13卷 669-675页

作者： Nyanit Bob Dorcas Ntsobé Eric Tobie Ndikontar Raymond Kouna Tsala ir.ne Nadine Ndongo René Bougoue Takou Horline Vougmo Clémence Kana Serges Paule Ngayap Guy Owono Etoundi Paul Essiene Agnès Steyaert Henri Pediatric Surgery Unit Yaounde Central Hospital Yaoundé Cameroon Faculty of Medicine and Biomedical Sciences the University of YaoundéI Yaoundé Cameroon Chantal Biya Fondation (Yaounde) Mother and Child Center Yaoundé Cameroon Department of Surgery Université Libre de Bruxelles (ULB) Bruxelles Belgium

Introduction: Gastroschisis is one of the neonatal pathologies with bad prognosis in developing countries due to a lack of equipment. We aim to report one way of managing this malformation that could be practised everywhere, constituting an alternative approach to surgery in poor areas. Patients and Methods: This observational and descriptive study included newborn babies with gastroschisis who underwent gradual bedside reduction at the Paediatric Surgery Department of the Yaounde Central Hospital. Results: Our cohort was constituted by 32 newborn babies with a mean age of 18.12 hours on admission. The Lefort type 2 was the most frequent in 81.25% of cases. The mean time for oral feeding after complete reduction was 17.4 days and the duration of hospital stay was 24.91 days. Survival rates were at 40.63%, with a residual hernia after healing in 38.46% of cases. Conclusion: Despite the high rate of mortality, gradual reduction of gastroschisis at the bedside seems to be an opportunity for resource constrained areas and can be an alternative solution to surgery.

关键词： Gastroschisis Lefort Type 2 Gradual Reduction Limited Resources

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聚焦中国：经验与挑战（1）

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科学观察 2013年第2期8卷 1-32页

作者： ir.ne Hors Richard Herd Samuel Hill Alessandro Goglio Theodora Xenogiani Nathalie Girouard Eugene Mazure 经济合作与发展组织(OECD)

经合组织的使命是推动政府制定、采取和实施“更好的政策为了更美好的生活”。为了达成这项使命，经合组织汇聚了世界各地政策界的集体知识和经验积累。我们的经济所面临的主要挑战确实具有全球性，解决这些挑战需要经合组织与其合作伙... 详细信息

经合组织的使命是推动政府制定、采取和实施“更好的政策为了更美好的生活”。为了达成这项使命，经合组织汇聚了世界各地政策界的集体知识和经验积累。我们的经济所面临的主要挑战确实具有全球性，解决这些挑战需要经合组织与其合作伙伴开展更紧密的合作，设计更好的政策和切实的全球解决方案。中国的经验和发展道路对经合组织意义深远。

关键词：经验积累中国经合组织聚焦合作伙伴政策全球性经济

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Rare neonatal Digestive Surgical Emergencies at the Brazzaville University Hospital Center

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Open Journal of Pediatrics 2020年第3期10卷 463-473页

作者： Lucienne ir.ne Patricia Ondima Caryne Mboutol-Mandavo Moïse Service Yanguedet Didace Massamba Miabaou Jean-Claude Mieret Cardinale Princilia Okiemy Niendet Gracia Christelle Ossete Peggy Dahlia Gallou Mawandza neli Yvette Ngakengni Gaston Ekouya Bowassa Department of Pediatric Surgery University Hospital Center Brazzaville Republic of Congo Department of Visceral Surgery University Hospital Center Brazzaville Republic of Congo Department of Intensive care and Anesthesia University Hospital Center Brazzaville Republic of Congo Department of neonatology University Hospital Center Brazzaville Republic of Congo

The purpose of our study was to evaluate the morbidity-morality of rare neonatal digestive emergencies in order to improve their management. Observations: 7 newborns ranging in age from 6 hours to 3 weeks were treated for rare digestive pathologies between January 2013 and July 2017 (a period of 3 years and 6 months) in the Department of Pediatric surgery of Brazzaville University Center, Congo. Males were predominant (5 versus 2 females). Pathologies listed were: 1 antenatal volvulus of the small intestine, 1 annular pancreas and 5 gastric perforations. The average time of care in the operating room was 12 hours. The newborns were hospitalized in the pediatric surgery department in 28.6% of cases (n = 2), and 71.4% (n = 5) in the neonatology department. The antenatal volvulus of the intestine and annulus pancreas were integrated into a nosologic entity named neonatal occlusion (NNO). The postoperative outcomes were simple for 4 patients (57.14%) while 3 patients died immediately after surgery (42.86%). Conclusion:

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Evaluation of HIV Viral Load Activity at the Bacteriology-Virology Laboratory in the University Hospital Center of Brazzaville

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Open Journal of Medical Microbiology 2019年第4期9卷 178-185页

作者： Esther Nina Ontsira Ngoyi Tanguy Mieret Roland Bienvenu Ossibi Ibara Axel Aloumba Géril Obili Sekangue Armel Claude Itoua ir.ne Laure Opfou Christian Diamant Mossoro-Kpinde Hervé Léon Iloki Bertrand Dupont Christine Rouzioux Bacteriology-Virology Laboratory of the Teaching Hospital Center (CHU) Brazzaville Congo Health Sciences Faculty of MarienNgouabi University Brazzaville Congo National Laboratory of Clinical Biology and Public Health Ministry of Public Health Central African Republic and University of Bangui Faculty of Health sciences Central African Republic Bangui Central African Republic Infectious Diseases Department of the Teaching Hospital Center (CHU) Brazzaville Congo Gynecology and Obstetrical Department of the Teaching Hospital Center (CHU) Brazzaville Congo Infectious Diseases and Tropical Department Neckerteaching Hospital Center Paris France Virology Laboratory of the necker Teaching Hospital Center Paris Descartes University Paris France

Introduction: The bacteriology-virology laboratory of the teaching university hospital of Brazzaville, was equipped with a real-time PCR device like Miniopticon (Biorad? , France). The aim of this work was to do an evaluation of the HIV viral load activity, with a view to proposing some recommendations. Material and methods: Retrospective study, January 2013 to March 2015, in patients on first line ARV three-therapy, pre-inclusion therapy checkup in HIV positive patients, but again screening after sexual abuse in women or accident of exposure (AES). A blood sample on EDTA tube was made and RNA extraction with Qiagen kit. Ultrasensitive HIV-RNA quantification was performed using the Generic HIV real-time PCR assay (Biocentric?, Bandol, France). Results: 126 patients were included. The mean age was 37.63 years +/- 10.43 years, sex ratio F/H = 2.3. The HIV viral load was detectable in 94 cases (74.6%). Concerning patients with detectable viral load (copies/ml): 403 to 996 in 35 cases (37.23%), 1411 to 1812 in 41 cases (43.62%) and >1814 in 5 cases (5.32%) (therapeutic failure). Conclusion: This work reports success in the setting up of the molecular biology unit. Procedures that implement information and education actions on the risks associated with AES must be disclosed.

关键词： Viral Load HIV Miniopticon CHU Brazzaville

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输用去除白膜层的RBC传播肺炎衣原体缺乏证据

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国外医学（输血及血液学分册） 2003年第5期26卷 452-454页

作者： Gvan Hedin ir.ne Eriksson Urban Kumlin Jeus Boman 赵凤绵张月寒河北省血液中心河北省人民医院

肺炎衣原体常常是引起呼吸道感染的原因,另外,有许多报告显示,肺炎衣原体感染与局部缺血性心脏病有关,当在组织内(包括尾鞭型动脉粥样硬化组织)检测到肺炎衣原体抗原和DNA的时候,可能发生了持续感染。最近用敏感的PCR技术不仅能够在心... 详细信息

肺炎衣原体常常是引起呼吸道感染的原因,另外,有许多报告显示,肺炎衣原体感染与局部缺血性心脏病有关,当在组织内(包括尾鞭型动脉粥样硬化组织)检测到肺炎衣原体抗原和DNA的时候,可能发生了持续感染。最近用敏感的PCR技术不仅能够在心血管病人外周血单核细胞(PBMNCs)内检测到肺炎衣原体DNA,而且也能够在中年献血者的PBMNCs内检测到。在瑞典北部携带肺炎衣原体DNA的献血者百分率(46％)很高。最近对冠状动脉心脏病病人的研究。

关键词： RBC输血肺炎衣原体感染去除白膜层血清学微量免疫荧光法肺炎衣原体抗原

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Urological Emergencies at the University Hospital of Brazzaville: Epidemiological, Clinical, and Therapeutic Aspects

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Open Journal of Urology 2024年第5期14卷 333-345页

作者： Roland Bertile Banga-Mouss Yannick Dimi Nyanga ir.ne Ondima Armel Melvin Atipo Ondongo Steve Aristide Ondziel-Opara Joseph Junior Damba Nick Arnaud Monabeka Christ Ondzé Daniella Gloire Ngassiele Gidmard Onguele Henock Songa Jetsvy Mayala Anani Wensels Severin Odzebe Prosper Alain Bouya Departement of Urology and Andrology University Hospital of Brazzaville Brazzaville Republic of the Congo

Introduction: Urological emergencies play a significant role in the medical and surgical activity of a urology department. The objective of this study was to determine the hospital prevalence of urological emergencies at the University Hospital of Brazzaville (CHUB), identify the different pathologies requiring urgent care, and list the various therapeutic methods. Patients and methods: A retrospective study of patients admitted to the medical and surgical emergencies department of CHUB over a 5-year period. Patient records admitted and treated for a urological emergency were included. The variables studied were the frequency of urological emergencies, patient age at admission, gender, nature of the emergency, and various therapeutic options. Results: Urological emergencies accounted for 4.3% of all medical and surgical emergencies. The mean age was 57 ± 28 years with a range of 3 to 93 years. The male-to-female ratio was 7.1. The most common conditions were urinary retention (54.67%), hematuria (17.20%), and renal colic (8.13%). Therapeutically, surgical urinary drainage was dominated by cystostomy. Conclusion: Urological emergencies are infrequent at the University Hospital of Brazzaville. Their management is often delayed.

关键词： Urological Emergencies Urinary Retention Hematuria Renal Colic

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Isolated Caeco-Vesical Fistula: A Case Report

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Open Journal of Urology 2020年第12期10卷 309-314页

作者： Lucienne ir.ne Patricia Ondima Melvin Ondongo Atipo Steve Aristide Ondziel Opara Didace Massamba-Miabaou Régis Moyikoua Peggy Dalhia Galou Mawandza Moï se Yanguedet Service Caryne Mboutol-Mandavo Pierre Aymar Oko Jean-Claude Mieret Cardinale Princilia Okiemy Niendet Gracia Christelle Ossete Erica Nuptia Akobande Anani Wenceslas Séverin Odzébé Prosper Bouya Faculty of Health Sciences Marien Ngouabi University Brazzaville Republic of Congo Pediatric Surgery Department University Hospital Center Brazzaville Republic of Congo Urology and Andrology Department University Hospital Center Brazzaville Republic of Congo Visceral Surgery Department University Hospital Center Brazzaville Republic of Congo Medical Imaging Department University Hospital Center Brazzaville Republic of Congo Multipurpose Resuscitation Department University Hospital Center Brazzaville Republic of Congo Pediatric Intensive Care Unit University Hospital Center Brazzaville Republic of Congo

Congenital uro or genito-digestive fistulas are frequently found in the context of caudal pole malformations. Isolated congenital forms without associated anorectal malformation have not been reported until now. We report the first case we know a 9 year old female child received in a pediatric surgery consultation for fecaluria evolving since birth with a permeable anus. She presented a good general condition, a good staturo-ponderal and psychomotor development, a vulva soiled by stool and a permeable anus with a tonic sphincter. A retrograde urethrocystography revealed a caeco-vesical fistula. Surgery consisted of ligation-section of the caeco-vesical septum. A follow-up urethrocystography at three months post-surgery no longer visualized the fistula. Our post-operative follow-up is 4 years. Isolated congenital caeco-vesical fistula is an unknown pathology whose late diagnosis can have serious repercussions.

关键词： Fistula Congenital Isolated Caecum Bladder Child Surgery

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