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Physicochemical and Bacteriological Profile of Bilanko and Ngamakala Peat Bog Soils (republic of Congo)

Journal of Environmental Protection 2024年第8期15卷 842-862页

作者： Gatsé Elgie Viennechie Mboukou Kimbatsa ir.ne Marie Cecile Ignoumba Evariste Mesmin Morabandza Cyr Jonas Nguimbi Etienne Laboratory of Microbiology Infectiology and Immunology ENS-UMNG Brazzaville Republic of Congo Laboratory of Cellular and Molecular Biology FST-UMNG Brazzaville Republic of Congo Laboratory of remote Sensing and Forest Ecology ENS-UMNG Brazzaville Republic of Congo

Peatlands are unique and complex natural ecosystems that are part of the most important carbon reservoirs on our planet, home to a diversity of microorganisms responsible for fermentation, humification or peat. The aim is to understand chemical and biological indicators of peatland soils. This work aims to determine the physicochemical and bacteriological profile and lipolytic activity of soil bacteria in Bilanko peatlands. The bacterial profile with the production of lipases is carried out by classical microbiology techniques. The results show that the soils are moderately acidic with temperatures of 27.8˚C ± 0.01˚C for Bilanko and 27.1˚C ± 0.57˚C for Ngamakala. The electroconductivity (EC) varies from (9.52 ± 0.002) μS/cm to (39.01 ± 1.4) μS/cm with low turbidity of (2.04 ± 0.66) mg/L to (31.02 ± 0.84) mg/L and low ion concentrations with, however, a richness in phenolic compounds for Bilanko compared to Ngamakala. FMAT diversity ranged from (1.71 ± 0.88)∙104 UFC/g to (2.92 ± 0.07)∙105 UFC/g for Bilanko and (1.30 ± 0.73)∙104 UFC/g to (2.89 ± 0.06)∙104 UFC/g for Ngamakala. Bacillus loads ranged from (5.20 ± 1.40)∙103 CFU/g to (1.22 ± 0.13)∙104 CFU/g and from (1.11 ± 0.13)∙104 CFU/g to (9.20 ± 2.05)∙103 CFU/g;enterobacteria loads from (1.40 ± 0.76)∙103 CFU/g to (8.80 ± 1.73)∙103 CFU/g and from (1.01 ± 0.02)∙103 CFU/g to (9.20 ± 2.05)∙103 CFU/g;in Pseudomonas from 0 to (2.30 ± 0.53)∙102 CFU/g and from 0 to (8.90 ± 2.35)∙102 CFU/g for Bilanko and Ngamakala respectively. These results reveal a variation in bacterial similarity and distribution in the Bilanko and Ngamakala peat bogs.

关键词： Bacteria Lipase Polyphenol Soil Peat Bog republic of Congo

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Traumatic Diaphragmatic Hernia in Children: A Case report

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Surgical Science 2024年第3期15卷 111-117页

作者： Lucienne ir.ne Patricia Ondima rhodia Hélène Bosseba Missengue Nuptia Erica Akobande Cardinale Princilia Okiemy Niendet Jean-Claude Mieret Caryne Mboutol-Mandavo Department of Pediatric Surgery Marien Ngouabi University Brazzaville Congo Department of Paediatric Surgery Hospital and University Centre (HUC) Brazzaville Congo

Introduction: Traumatic diaphragmatic hernia is a rare condition in children complicating closed or penetrating trauma to the abdomen and thorax. We report the case of an 11-year-old girl with a traumatic diaphragmatic hernia. Case Presentation: An 11-year-old girl was seen in the paediatric surgery department for a thoracolumbar spine deformity and intermittent chest pain. These symptoms occurred after a domestic accident involving a fall from a low wall onto the thoracolumbar spine 5 months previously. The diagnosis was suggested by the presence of a left hemithoracic hydroaera and confirmed by a thoraco-abdominal CT scan. Surgical exploration revealed a linear rupture of the entire left hemi-diaphragm with herniation of the stomach, small intestine, cecum, transverse colon and omentum. We performed a double-layer suture of the diaphragmatic rupture with a non-absorbable suture without edge rejuvenation after the reduction of the hernia. The outcome was favourable with normal postoperative radiographs at one year follow-up. Conclusion: Traumatic diaphragmatic hernia, although uncommon and difficult to diagnose, is a condition that is relatively easy to manage surgically, even if it is discovered late. In all cases of trauma to the thoracolumbar spine, regular follow-up and repeat X-rays are necessary if pain persists.

关键词： Hernia Diaphragm Trauma Child Case report

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neonatal Intestinal Obstruction in Acute renal Failure in Premature Infant: A Case report

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Open Journal of Pediatrics 2024年第2期14卷 338-343页

作者： Ondima Lucienne ir.ne Patricia Okiemy Niendet Cardinale Princilia Gandzali-Ngabe Pierre Eric Caryne Mboutol-Mandavo Bosseba Missengui rhodia Hélène Akobande Nuptia Erica Department of Paediatric Surgery CHU Brazzaville Brazzaville Congo Faculty of Health Sciences Marien Ngouabi University Brazzaville Congo Department of nephrology and Dialysis Brazzaville University Hospital Brazzaville Congo

Introduction: Intestinal obstruction is a common cause of abdominal surgery in the neonate. Diagnosis is straightforward using standard radiology, and surgical technique depends on the underlying anatomical lesion. Peritoneal dialysis (PD) is an effective, albeit invasive, therapy for neonatal renal failure. We report a case of neonatal obstruction with severe renal failure treated by PD to highlight our hospital practice and possible remedies in a context of limited resources. Case Presentation: This was a female neonate of moderate prematurity admitted on day 4 of life for management of a flat neonatal obstruction. radiological diagnosis suggested small bowel atresia. Biological tests revealed severe renal failure with creatinine levels of 416 micromoles per liter and blood urea of 27.1 micromoles per liter. Management consisted of preoperative peritoneal dialysis for 48 hours followed by laparotomy. The intraoperative diagnosis was GrOSFELD type IIIa digestive atresia. The postoperative course was favourable, transit was resumed on day 5 and the patient returned home on day 12. Progress at 3 months was satisfactory. Conclusion: neonatal intestinal obstruction with renal failure in premature infants is associated with a poor prognosis, even more so if there is a delay in treatment. Peritoneal dialysis seems to be a suitable alternative for this management in our working conditions with limited resources.

关键词： neonate Occlusion Peritoneal Dialysis Case report

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Superficial Angiomyxoma of the Vulva: A Case report

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Open Journal of Pathology 2024年第2期14卷 64-68页

作者： Zo ir.ne raivoherivony Herilalao Elisabeth razafindrafara Vahatra Joëlle razafimahefa romuald randriamahavonjy Nantenaina Soa randrianjafisamindrakotroka Department of Pathology Joseph Ravoahangy Andrianavalona University Hospital Antananarivo Madagascar Department of Pathology Soavinandriana University Hospital Antananarivo Madagascar Department of Pathology Andrainjato University Hospital Fianarantsoa Madagascar Gyneco-Obstetrics Department Soavinandriana University Hospital Antananarivo Madagascar

Superficial angiomyxoma is a rare benign mesenchymal tumor that mainly occurs in the genital region. We report the case of a 51-year-old woman with a painless vulvar mass, well circumscribed on ultrasound. On gross finding, it was a polypoid and bilobed mass, partially encapsulated. On histological examination, it was a proliferation of non-atypical spindle cells with an abundant, myxoid stroma and numerous medium-sized blood vessels. The diagnosis was superficial angiomyxoma. The clinical features do not often lead to the diagnosis of superficial vulvar angiomyxoma. It is based on histological examination and immunohistochemistry is helpful to differentiate it from other myxoid tumors.

关键词： Angiomyxoma Mesenchymal Tumor Myxoïd Stromal Tumor of Vulva

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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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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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Profile of Full-Term Births in Maternity Wards of Public Hospitals in Douala Cameroon

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Open Journal of Obstetrics and Gynecology 2024年第5期14卷 705-720页

作者： Henri Essome Merlin Boten Bounyom Astrid Ndolo Kondo Ingrid Doriane Ofakem Ilick Fulbert Mangala Nkwele ir.ne Cyrielle Edjoa Mboe Michel roger Ekono Alphonse Ngalame Nyong robert Tchounzou Moustapha Bilkissou Junie Ngaha Yaneu Marga Vanina Ngono Akam Gervais Mounchikpou Ngouhouo Grâce Tocki Toutou Théophile Nana Njamen Valère Mve Koh Pascal Foumane Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Laquintinie Hospital Douala Cameroon Faculty of Health Sciences University of Bamenda Bamenda Cameroon Faculty of Health Sciences University of Buea Buea Cameroon Faculty of Medicine and Biomedical Sciences University of Yaound&#233 1 Yaound&#233 Cameroon Faculty of Medicine and Pharmaceutical Sciences of Sangmelima University of Ebolowa Ebolowa Cameroon

Introduction: Pregnancy as much as childbirth constitutes a risky situation, potentially fraught with sometimes dramatic complications: maternal death. Objective: We conducted this study with the aim of establishing the profile of those giving birth in our context with the aim to anticipate operationally in the future on morbidity but more on maternal deaths. Methodology: We conducted, using a structured questionnaire, a prospective descriptive study in representative maternity wards in the city of Douala;the study variables were socio-economic, anthropometric, obstetrical and clinical. Statistical analyses were carried out with CS Pro 7.3 and SPSS version 25.0 software. The Student, Chi-square and Fischer tests were used to compare the means of the variables and the percentages. results: We recruited 305 births for our study. The average age of our births was 28.7 years ± 6.1 with an average height of 161.6 cm ± 5.06;an average body mass index at the start of pregnancy of 28.0 kilograms/square meter and 31.3 kilograms/square meter at delivery;the average weight gain was 8.4 g ± 5.37;an average gestation of 2.84±1.90;an average parity of 2.2 ± 2.1 with an average birth interval of 27.7 months ± 23.7. The average gestational age was 39.2 weeks ± 1.21 with pregnancy pathology dominated by malaria;85.9% began their prenatal follow-up before the 14th week of amenorrhea. Conclusion: The profile of childbirth in urban Cameroon does not seem potentially dystocic compared to that of the same regional and racial area.

关键词： Profile Delivery Term Malaria Douala

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Granitic inselbergs of Lara(Panafrican Chain,Far-North Cameroon):Assets for the implementation of geotourism in Mountainous region

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Journal of Mountain Science 2022年第11期19卷 3192-3212页

作者： ZANGMO TEFOGOUM Ghislain NOUHOU DAMA Zouyane Hyacinthe GOUNTIÉDEDZO Merlin MAFO DONGMO ir.ne Department of Earth Sciences de la Terre Faculty of ScienceUniversity of MarouaP.O.Box 814 MarouaCameroon Department of Life and Earth Sciences High Teacher Training CollegeUniversity of MarouaP.O.Box 55MarouaCameroon

The locality of Lara(Far-North region,Cameroon)is made up of a pediplain strewn with coalescent *** interaction of internal and external geological processes has contributed to transform the latter into inselbergs,whose geotouristic values are yet to be *** and laboratory work enabled us to select the geomorphosites through their aesthetic value(particular size and shape)and,geomorphological and geological ***,it permitted to study and map the geomorphosites using Optic Microscope,Google Earth,GIS software and many other ***,four inselbergs have been selected and studied in the locality of *** petrographic study of these inselbergs shows that granites are the main components of inselbergs and they present a fine to coarse-grained texture,materialized by quartz,micas,plagioclases and alkali feldspars(white and pink in colour).Inselbergs exhibit vertical and parallel networks of diaclases giving them a stratified appearance in some *** addition,on some inselberg limbs and piedmonts,are built tors which contribute to their *** tops of inselbergs,are embellished by several alluring pedestal *** their flanks,shelters of various shapes and sizes(about 12 m length)have developed through the heaps of blocks *** the ten shelters selected,some have a fairly high cultural value as they are sacred places for the local ***,Lara's granitic inselbergs include enclaves(cognate enclaves and xenocrysts)that also significantly improve their geoheritage *** are landforms with high education and aesthetic value that attracted a larger local and foreign population of about 863 visitors between *** constitute an exceptional geoheritage that could attract more tourists in the locality of Lara;but the promotion of geotourism is needed through interpretative panels,marketing of geomorphosites through leaflets,web,media,and geotours,to mention a few.

关键词： Lara Inselbergs Granite geoheritage Geotouristic activities

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Draft of an Anthropometric reference System for Full-Term Cameroonian newborns: Prospective Study with Analytical Aim in the Maternity Wards of Douala

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Open Journal of Obstetrics and Gynecology 2024年第3期14卷 435-450页

作者： Henri Essome Charlotte Epossè Ekoube Fulbert Mangala Nkwele rita Carole Mbono Betoko ir.ne Cyrielle Edjoa Mboe Michel roger Ekono Alphonse Ngalame Nyong robert Tchounzou Ingrid Doriane Ofakem Ilick Hassanatou Iyawa Moustapha Bilkissou Astrid Ndolo Kondo Junie Ngaha Yaneu Marga Vanina Ngono Akam Gervais Mounchikpou Ngouhouo Grâce Tocki Toutou nelly Noubi Valère Mve Koh Théophile Nana Njamen Training Teaching and Research Unit in Gynecology Obstetrics and Reproduction Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Department of Obstetrics and Gynecology Laquintinie Hospital Douala Cameroon Department of Pediatrics Laquintinie Hospital Douala Cameroon Faculty of Health Sciences of Buea University of Buea Buea Cameroon Pluridisciplinary Department Laquintinie Hospital Douala Cameroon Faculty of Medicine and Biomedical Sciences University of Yaounde 1 Yaounde Cameroon

Introduction: Anthropometry applied to newborns is a reliable indicator of the quality of fetal growth. The latter is influenced by genetic, racial and nutritional factors varying from one population to another, explaining why a standard cannot be applied to all populations. research question: should the Caucasian frame of reference be dogmatically applied in our African context? Multicenter studies are therefore necessary;hence the interest of this work, the main objective of which was to describe the anthropometric profile of full-term newborns in the city of Douala. Methodology: We carried out a cross-sectional study with an analytical aim and prospective data collection in the maternity wards of the Douala General Hospital, Laquintinie Hospital, District hospitals of Deido, Nylon and Bonassama over a period of 4 months (January to April 2020). We were interested in any newborn, born alive, vaginally or by cesarean section, seen in the first 24 hours from a full-term single-fetal pregnancy whose mother had given consent. We excluded newborns whose term was unclear and those with congenital malformations or signs of embryo-foetopathy. Data collection was done using structured and pre-tested survey sheets. The study variables were obstetric and anthropometric. Statistical analyzes were carried out with CS Pro 7.3 and SPSS version 25.0 software. The Student, Chi-square and Fischer tests were used to compare the means of the variables, the percentages with a significance threshold P value results: During the study period, 305 full-term newborns were included, divided into 172 boys and 133 girls. The average anthropometric parameters of the full-term newborn in the city of Douala were: average weight: 3305 grams, average height: 49.8 centimeters, average head circumference: 34.6 centimeters, average upper arm circumference: 11.3 centimeters, circumference average thoracic: 32.8 centimeters. The percentile distribution showed a 10th percentile at 2656 grams and a 90th

关键词： Anthropometry Full-Term newborn Douala

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Low Birth Weight in Cameroon: research and Analysis of Factors Associated with Their Occurrence in Douala Maternity Wards

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Open Journal of Obstetrics and Gynecology 2024年第5期14卷 758-778页

作者： Henri Essome Merlin Boten Bounyom Astrid Ndolo Kondo Ingrid Doriane Ofakem Ilick Charlotte Epossè Ekoube rita Bono Betoko Hassanatou Iyawa Fulbert Mangala Nkwele Théophile Nana Njamen robert Tchounzou Alphonse Ngalame Nyong Charlotte ir.ne Cyrielle Edjoa Mboe Moustapha Bilkissou Junie Ngaha Yaneu Marga Vanina Ngono Akam Gervais Mounchikpou Ngouhouo Grâce Tocki Toutou Michel roger Ekono nelly Noubi Pascal Foumane Training Teaching and Research Unit in Gynecology Obstetrics and Reproduction Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Laquintinie Hospital Douala Cameroon Faculty of Health Sciences University of Bamenda Bamenda Cameroon Faculty of Health Sciences University of Buea Buea Cameroon Faculty of Medicine and Biomedical Sciences University of Yaound&#233 1 Yaound&#233 Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Ebolowa Ebolowa Cameroon

Introduction: Low birth weight (LBW) is defined by the World Health Organization (WHO) as a birth weight strictly below 2500 g, whatever the term of pregnancy. It constitutes a major public health problem, both in developed and developing countries, due to its magnitude and its strong association with infant morbidity and mortality. Main objective was to study the factors associated with the occurrence of small-for-gestational-age newborns in Douala. Methodology: We carried out a cross-sectional analytical study with prospective data collection using a technical pretested sheet in the maternity wards of the Douala General Hospital, the Laquintinie Hospital, and the District hospitals of Deido, Nylon and Bonassama over a period of 4 months (January to April 2020). We were interested in any newborn, born alive, vaginally or by cesarean section, of low weight, seen in the first 24 hours from a full-term single-fetal pregnancy whose mother had given her consent. Our sampling was consecutive and non-exhaustive. We excluded newborns whose term was unclear and those with congenital malformations or signs of embryo-foetopathy. Data collection was done using survey sheets. Statistical analyzes were carried out with CS Pro 7.3 and SPSS version 25.0 software. The Student, Chi-square and Fischer tests were used to compare the means of the variables, the percentages with a significance threshold P value results: During the study period, 305 full-term newborns were included, divided into 172 boys and 133 girls. The percentage of small-for-gestational-age newborns was 9.8%;after multivariate analysis by logistic regression to eliminate confounding factors, we found maternal factors associated with small for gestational age newborns;maternal age less than 20 years, primiparity, gestational age (37 - 38), a delay in prenatal visits greater than 14 weeks, anemia in pregnancy, positive toxoplasmosis serology in pregnancy, a body mass index of Conclusion: Our study revealed the potenti

关键词： newborn Low Birth Weight Gestational Age Douala

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