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Epidemiological, Clinical, Therapeutic, Evolutionary and Prognostic Aspects of Children with COVID-19 in Bouaké(Côte d’Ivoire)

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Advances in Infectious Diseases 2022年第2期12卷 216-229页

作者： Kone Djakaridja Kadiane-Oussou Juliette Akanji Iburaima Alamun yapo martine tatiana Adou Leioh Romeo Karidioula Jean Marie Aba yapo Thomas Asse Kouadio Vincent Kra Ouffoue Department of Infectious and Tropical Diseases University and Teaching Hospital of Bouaké Bouaké Ivory Coast Department of Pediatric University and Teaching Hospital of Bouaké Bouaké Ivory Coast

Context: Compared to adults, there are relatively few studies on pediatric COVID-19 due to the high rate of asymptomatic or paucisymptomatic forms. The aim of this study is to determine the epidemiological, clinical, therapeutic, evolutionary and prognostic aspects of COVID-19 infection in children. Patients and Methods: This was a prospective analytical study carried out from February 27, 2021 to January 27, 2022 at the COVID-19 Care Center of the Infectious and Tropical Diseases Department of the Bouaké University Teaching Hospital. The study population consisted of all children under the age of 16, seen in consultation and/or hospitalized with a positive COVID-19 RT-PCR. Data analysis was performed with Epi Info 7 software. The statistical tests used were the chi-square test and Fisher’s exact test depending on the conditions of validity with a significance threshold of p Results: Out of 955 patients received at the COVID-19 Care Center in Bouaké, there were 56 children (26 boys/30 girls), or, a prevalence of 5.86%. The mean age was 9.18 years ± 4.48 [extremes 3 months and 15 years]. Children over the age of 11 accounted for 48.21% of cases. They were contact cases in 35.71% and the contact person was the mother in 75% of cases. The main reasons for screening were cough (67.86%), fever (25%) and sneezing (21.43%). The pathological histories were asthma (83.33%), heart disease (33.33%) and sickle cell disease (16.67%). The medical examination revealed 6 cases of children in vital distress. The care consisted of home confinement for simple cases (89.29%) and hospitalization for cases presenting with vital distress (10.71%). The duration of confinement or hospitalization was between 10 and 15 days in 83.93% of cases. No cases of death were noted. The factors associated with the occurrence of symptomatic forms were age (p = 0.028), pathological history (p Conclusion: The proportion of pediatric cases of COVID-19 is low with a predominance during the season of harmatt

关键词： Epidemiology Coronavirus SARS-Cov2 Children Bouaké

Monkeypox in an Immunocompetent Vaccined Adult: A Case Report at the University Teaching Hospital of Bouake

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Case Reports in Clinical Medicine 2022年第10期11卷 457-464页

作者： Kone Djakaridja yapo martine tatiana Kadiane-Oussou Juliette Akanji Iburaima Alamun Gue Irené Kouabenan Amon Stéphene Koné Famoussa Sule Mutiyu Akanbi Kouamé Kouamé Gilles Renaud Karidioula Jean Marie Aba yapo Thomas Kra Ouffoue Department of Infectious and Tropical Diseases University Teaching Hospital of Bouaké Bouaké Ivory Coast Department of Medicine Alassane Ouattara University (Bouaké) Bouaké Ivory Coast Dermatology Department University Teaching Hospital of Bouaké Bouaké Ivory Coast Internal Medicine Department University Teaching Hospital of Bouaké Bouaké Ivory Coast

Introduction: With the eradication of smallpox in 1980, vaccination against smallpox ceased and there was an upsurge in cases of monkeypox. The objective of this observation is to describe the characteristics of monkeypox in the vaccinated subject. Case Report: A 45-year-old, heterosexual, rural resident was referred for a rash. The history of the disease revealed signs of acute course marked by headache, asthenia, diffuse myalgia, chest pain, fever and pruritic rash. His background is marked by vaccination against smallpox in 1977, cohabitation with game hunters and domestic animals as well as a notion of contact with a person who presented similar but more generalized signs. The physical examination revealed a conscious patient with good general state, feverish, tachycardic, eupneic presenting skin lesions in the type of striated vesicles more or less umbilical, on the scalp, face, neck, trunk and the upper limbs associated with cervical lymphadenopathy. RT-PCR was performed on a dry swab by rubbing several vesicles and a throat swab proved positive for Monkeypox Virus (MPXV). Management consisted of isolation and symptomatic treatment. The evolution has been favorable. Conclusion: The symptomatology of monkeypox is similar to that of smallpox. Without widely available treatment or prophylaxis, rapid identification of cases is essential. Vaccination of people at risk is an alternative to curb the epidemic. However, the main prevention strategy is to raise awareness of the risk factors.

关键词： Monkeypox Rash Immunocompetent Bouaké

COVID-19 in Bouake (Côte D’Ivoire): Comparative Study of the Epidemiological, Clinical, Therapeutic, Evolutionary and Prognostic Aspects in Younger and Elderly Patients

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Advances in Infectious Diseases 2022年第2期12卷 312-327页

作者： Kone Djakaridja Kadiane-Oussou Juliette Akanji Iburaima Alamun yapo martine tatiana Kouamé Kouamé Gilles Renaud Karidioula Jean Marie Adou Leioh Romeo Kone Famoussa Sule Mutiyu Akanbi Soumahoro Namory Junior Aba yapo Thomas Kra Ouffoue Department of Infectious and Tropical Diseases University and Teaching Hospital of Bouaké Bouaké Ivory Coast COVID-19 Care Center University and Teaching Hospital of Bouaké Bouaké Ivory Coast Department of Internal Medecine University and Teaching Hospital of Bouaké Bouaké Ivory Coast

Introduction: The clinical manifestations of many diseases vary with age, and older people often do not show typical symptoms of the disease. The present study aims to compare the epidemiological, clinical, therapeutic and evolutionary aspects of elderly patients with COVID-19 compared to young adult patients and to identify risk factors for mortality. Patients and Methods: This was a retrospective single-center analytical study conducted from January 27, 2021 to January 27, 2022 at the COVID-19 Care Center of the Infectious and Tropical Diseases Department of the Bouaké University Teaching Hospital. The study population consisted of all patients aged at least 18 years seen in consultation and/or hospitalized with a positive COVID-19 RT-PCR. The patients were divided into two groups: younger patients (Results: Of a total of 779 patients, 644 (82.7%) were young. The median age of all patients was 41 years (IQR 32 - 54, extreme 18 and 96). Of all the patients 38.5% had a comorbidity. Compared to younger patients, chronic heart disease (61.7% vs 21.5%;p Conclusion: Elderly people with COVID-19 have a different clinical presentation from younger, characterized by more atypical symptoms. Mortality risk factors are age, dyspnoea, impaired consciousness and fever. It is therefore necessary to act on its various factors to improve the prognosis of COVID-19 in this age group.

关键词： Epidemiology Coronavirus SARS-Cov2 Age Bouaké

Inaugural Seizures Revealing COVID-19 in an Immunocompetent Infant at the University Teaching Hospital (UTH) of Bouaké

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Open Journal of Pediatrics 2022年第4期12卷 678-687页

作者： Djakaridja Kone Iburaima Alamun Akanji martine tatiana yapo Kokora Junior Gawa Juliette Kadiane-Oussou Leioh Romeo Adou Jean Marie Karidioula yapo Thomas Aba Kouadio Vincent Asse Ouffoue Kra Department of Infectious and Tropical Diseases University Teaching Hospital of Bouaké Bouaké C&ocirc te d’Ivoire COVID-19 Care Center University Teaching Hospital of Bouaké Bouaké C&ocirc te d’Ivoire Department of Pediatrics University Teaching Hospital of Bouaké Bouaké C&ocirc te d’Ivoire Department of Bacteriology and Virology University Teaching Hospital of Bouaké Bouaké C&ocirc te d’Ivoire

Introduction: Children are likely to present with atypical and non-specific clinical manifestations of COVID-19, unlike adults. The aim of this observation is to identify the difficulties related to the diagnosis and the curative and preventive management of SARS-CoV-2 infection in children. Observation: This is a 15-month-old infant admitted for febrile seizures. The interrogation revealed signs evolving 48 hours before his admission marked by post-prandial vomiting, wet cough, hypotonia, food refusal, incessant crying, fever, and seizures. His antecedents can be summed up as an uneventful pre- and per-natal period, good eating habits, good psychomotor and staturo-ponderal development, and outdated vaccination. The physical and paraclinical examination made it possible to retain the diagnosis of severe pneumonia. The initial management consisted of oxygenation, hydroelectrolyte intake, antibiotic therapy, and neurosedation. The evolution 3 days later was marked by a worsening of the clinical features, and the hypothesis of infection with SARS-CoV-2 was raised. The nasopharyngeal swab for COVID-19 RT-PCR performed was positive. The infant was isolated in the intensive care unit, where he received oxygen therapy with a mask, enteral nutrition, antibiotic therapy, corticosteroid therapy, and adequate nursing. The evolution was favorable 48 hours later. In addition, his asymptomatic mother and 14-year-old brother were placed in isolation after a positive RT-PCR COVID-19 test. Her father who was very often away from home for professional reasons was negative for COVID-19 RT-PCR. They all four live in the same 3-room house. Conclusion: Childhood COVID-19 has many facets. Clinicians should think about it in the face of any infectious manifestation, in order to avoid delays in treatment and improve the prognosis.

关键词： COVID-19 Children Atypical Manifestations SARS-CoV-2 Bouaké

Missed Opportunities for Diagnosing Bacilliferous Pulmonary Tuberculosis by Optical Microscopy versus GeneXpert MTB/RIF in Endemic Areas

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Advances in Infectious Diseases 2023年第4期13卷 652-659页

作者： Aba yapo Thomas Nassoué Dobré Olivia Yéo Liomehin Monemo Pacome yapo Matine tatiana Achi Hoboueu Vincent Department of Infectious and Tropical Diseases University Hospital of Bouake Bouake Ivory Coast University Alassane Ouattara of Bouake Bouake Ivory Coast Department of Pneumology University Hospital of Bouake Bouake Ivory Coast Department of Bacteriology & Virology University Hospital of Bouake Bouake Ivory Coast

Objective: To assess the missed opportunities from the diagnosis of bacilliferous pulmonary tuberculosis by optical microscopy compared to GeneXpert MTB/RIF between 2015 and 2019. Methods: This is a retrospective analysis of the diagnostic results of bacilliferous pulmonary tuberculosis in patients suspected of pulmonary tuberculosis at their first episode during the period. GeneXpert MTB/RIF (GeneXpert) and optical microscopy (OM) after Ziehl-Neelsen stained smear were performed on each patient’s sputum or gastric tubing fluid sample. Results: Among 341 patients suspected of pulmonary tuberculosis, 229 patients were declared bacilliferous tuberculosis by the two tests (67%), 220 patients by GeneXpert and 95 patients by OM, i.e. 64.5% versus 28% (p i.e. 58.5% of the positive cases detected by the two tests (134/229 patients) and 39.3% of the patients suspected of tuberculosis (134/341 patients). On the other hand, among 95 patients declared positive by OM, the GeneXpert ignored 9 (9.5%), i.e. 4% of all the positive cases detected by the two diagnostic tests (9/229 patients) and 3% of the patients suspected of tuberculosis (9/341 patients). The differences observed between the results of the two tests were statistically significant at the 5% threshold (p Conclusion: This study reveals missed diagnostic opportunities for bacilliferous pulmonary mycobacteriosis, statistically significant with optical microscopy than GeneXpert. The GeneXpert/optical microscopy couple could be a good contribution to the strategies for the elimination of pulmonary tuberculosis in sub-Saharan Africa.

关键词： Bacilliferous Pulmonary Tuberculosis Missed Opportunity GeneXpert MTB/RIF Optical Microscopy

The in vitro effects of superoxide, some commercially available antioxidants and red palm oil on sperm motility

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Asian Journal of Andrology 2009年第6期11卷 695-702页

作者： yapo Guillaume Aboua Stefan Stephanus du Plessis Patricia Reichgelt Nicole Brooks Department of Biomedical Sciences Faculty of Health and Wellness Sciences Cape Peninsula University of TechnologyBellville 7535 South Africa Division of Medical Physiology Faculty of Health Sciences Stellenbosch University Tygerberg 7505 South Africa

In this study, two commercially available superoxide scavengers, tetrakis （1-methyl-4-pyridyl） porphyrin （Mn[III]TMPyP） and superoxide dismutase （SOD）, as well as red palm oil （RPO）, a natural vegetable oil, had been used to investigate their possible in vitro effects against the toxic effects of superoxide （O2＋） on human sperm motility. Semen samples were obtained from 12 normozoospermic healthy volunteer donors aged between 19 and 23 years. The O2＋donor 2,3-dimetoxyl-l,4-naphthoquinone （DMNQ）（2.5 μmol· L^-1-100 μmol· L^-1） was added to normozoospermic post-swim-up sperm in the presence or absence of Mn（III）TMPyP （50 μmol· L^-1）, SOD （50 IU） or RPO （0.1% or 0.5%）. Computer-assisted semen analysis was used to analyze various motility parameters. The parameters of interest were percentage of motile cells, progressive motility, rapid cells and static cells. Concentrations of higher than 25 μmol· L^-1 DMNQ were detrimental to sperm motility. Mn（III）TMPyP was able to attenuate the effect of O2＋ on the motility parameters. In vitro addition of SOD and RPO showed harmful effects on sperm motility.

关键词： antioxidants motility red palm oil superoxide

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建筑用聚酯玻纤复合材料的制备与性能分析

功能材料 2023年第3期54卷 3174-3178页

作者：孙亚颇郑州商学院河南巩义451200

选择不饱和聚酯树脂为基体材料,以玻璃纤维为增强相,采用模压成型工艺制备了不同玻璃纤维掺杂量(0,5%,10%,15%和20%(质量分数))的聚酯玻纤复合材料,分析了玻璃纤维含量对复合材料的微观形貌、热稳定性、拉伸性能和弯曲性能的影响。结果... 详细信息

选择不饱和聚酯树脂为基体材料,以玻璃纤维为增强相,采用模压成型工艺制备了不同玻璃纤维掺杂量(0,5%,10%,15%和20%(质量分数))的聚酯玻纤复合材料,分析了玻璃纤维含量对复合材料的微观形貌、热稳定性、拉伸性能和弯曲性能的影响。结果表明,聚酯玻纤复合材料中玻璃纤维和不饱和聚酯主要以物理作用为主,适量的玻璃纤维掺杂后能与聚酯基材紧密结合,分布具有方向性。随着玻璃纤维掺杂量的增大,聚酯玻纤复合材料的分解温度先增大后减小,且耐热性能提高,当玻璃纤维的掺杂量为15%(质量分数)时,复合材料的T 50%达到最大值368.47℃。力学性能测试表明,随玻璃纤维掺杂量的增大,复合材料的拉伸强度和冲击强度先增大后减小,断裂延伸率和弯曲强度持续降低,当玻璃纤维的掺杂量为15%(质量分数)时,复合材料的力学性能最优,拉伸强度最大为26.1 MPa,断裂延伸率为2.6%,冲击强度达到最大值8.1 MPa,弯曲强度为30.5 MPa。

关键词：玻璃纤维不饱和聚酯树脂复合材料热稳定性力学性能

纳米碳纤维增韧水泥基复合材料的力学性能和耐久性能研究

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功能材料 2023年第1期54卷 1115-1119页

作者：孙亚颇郑州商学院河南巩义451200

以普通硅酸盐水泥P.O 42.5为基体材料,不同掺杂量(0,0.4%,0.8%和1.2%(质量分数))的纳米碳纤维为增强相,制备了纳米碳纤维增韧水泥基复合材料,研究了纳米碳纤维的掺杂量对水泥基复合材料晶体结构、力学性能和耐久性能的影响。结果表明,... 详细信息

以普通硅酸盐水泥P.O 42.5为基体材料,不同掺杂量(0,0.4%,0.8%和1.2%(质量分数))的纳米碳纤维为增强相,制备了纳米碳纤维增韧水泥基复合材料,研究了纳米碳纤维的掺杂量对水泥基复合材料晶体结构、力学性能和耐久性能的影响。结果表明,纳米碳纤维的掺杂在水泥基复合材料中未出现新的水化产物,但加速了水化反应的进行;纳米碳纤维的“连接”作用使水泥基复合材料的孔结构变得致密,裂纹和孔隙减少;随着纳米碳纤维掺杂量的增加,水泥基复合材料的抗压强度和抗折强度先增大后减小,当纳米碳纤维的掺杂量为0.8%(质量分数)时,水泥基复合材料28 d的抗压强度和抗折强度均达到了最大值,分别为82.4和13.1MPa;采用单面盐冻法对水泥基复合材料进行抗冻性能测试,发现纳米碳纤维的掺杂改善了水泥基复合材料的抗冻性能,当纳米碳纤维的掺杂量为0.8%(质量分数)时,水泥基复合材料在28次冻融循环后单位面积质量损失量最小为0.114 kg/m^(2)。综合力学性能和耐久性能分析可知,纳米碳纤维的最佳掺量为0.8%(质量分数)。

关键词：纳米碳纤维水泥基复合材料晶体结构力学性能抗冻性能

Phytochemical Characterization of Three Plants and Their Antisickling Activity in the Management of Sickle Cell Disease

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Journal of Biosciences and Medicines 2020年第6期8卷 100-112页

作者： tatiana Kangah Mireille Kplé Joel Akakpo-Akue Julien Koffi Golly Yvette Fofie Marcel Gnamien Ahon Mattieu Adou Kra Ibrahime Sanogo Antoinette Chiayé C. yapo-Crezoit Laboratory of Biology and Health UFR Biosciences Université Félix Houphou&#235 t-Boigny (UFHB) Abidjan C&#244 te d’Ivoire Immunity Biology Center Institut Pasteur de C&#244 te d’Ivoire Abidjan C&#244 te d’Ivoire UFR of Pharmaceutical and Biological Sciences Université Félix Houphou&#235 t-Boigny (UFHB) Abidjan C&#244 te d’Ivoire Clinical Haematology Department University Hospital of Yopougon Abidjan C&#244 te d’Ivoire

Natural plant products have been used by the population of the south-eastern part of Côte d’Ivoire in the management of sickle cell anemia. This study was aimed at investigating the antisickling activity of the hydro-ethanolic extract of a combination of the leaves of J. secunda, J. gossypiifolia and P. nigrescens. These three plants species were used in the Ivorian traditional herbal medicine. Preliminary phytochemistry was carried out using standard methods. As for the sickling reversal test, the Hb SS blood sickling was induced with 2% sodium metabisulfite. After 120 minutes of incubation, the plant extract was added. Every 30 minutes for a period of 120 minutes, a drop of the prepared solution was observed at (40×) magnification and the percentage of reversion calculated. The phytochemical analysis revealed the presence of Alkaloids, Flavonoids, Polyphenols, Catechic Tannins, Sterols and Polyterpenes. The results of the reversal test showed that the percentage of sickling reversal effect of the combination of the plants (75.00 ± 4.33b,c) was highly superior than the negative control (10.17 ± 0.55d) but was significantly (p J. secunda: 83.50 ± 2.33<

关键词： Sickle Cell Disease Antisickling Activity Hydro-Ethanolic Extract J. gossypiifolia P. nigrescens J. secunda Côte d’Ivoire