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Effect of the Covid-19 Pandemic on Prenatal Consultations for Pathological Pregnancies at the Maternity Unit of Abass Ndao Hospital, Dakar, Senegal

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Open Journal of Epidemiology 2022年第4期12卷 421-430页

作者： Abdoul Aziz Ndiaye Djiby Sow Nogaye Dieye El Hadji Gueye Boubacar Gueye Alioune Badara Tall Papa Gallo Sow oumar sidibe Ousseynou Ka Université Alioune Diop de Bambey Bambey Sénégal Université Cheikh Anta Diop de Dakar Dakar Sénégal Centre Hospitalier Abass NDAO Dakar Sénégal Centre Africain d’Etudes Supérieures en Gestion Dakar Sénégal

Introduction: The COVID-19 pandemic has led to changes in health systems. The objective was to assess the effect of Covid-19 on the frequency of prenatal consultations (PNCs) for pathological pregnancies at the Abass NDAO Hospital Centre. Materials and Methods: This was primarily a retrospective study conducted at the Abass NDAO Hospital maternity ward. The target was the medical records of women followed for a pathological pregnancy at maternity from July 2019 to November 2020. Second, the department’s qualified staffs were asked about their experiences with the Covid-19 pandemic. Data collection was carried out between October 2021 and February 2022. Results: A total of 690 prenatal charts for pathological pregnancy were collected: 375 (54%) before the pandemic compared to 315 during Covid-19 (46%). The average age of women was 28.15 years. The age group 25 and 35 was the most represented (36.81%). Reasons for consultation were dominated by threats of premature delivery (51%), followed by severe pre-eclampsia (14%) and premature membrane rupture (11%), respectively. The frequency of prenatal consultations (PNCs) was inversely related to pandemic dynamics and significant monthly variations were observed. Qualified health personnel were midwives (71.40%) and gynecologists (28.60%). During the pandemic, more than the majority of staff (67%) worked 3 days a week, and 24% of health workers 5 days. The majority of staff (60%) reported experiencing overwork during the pandemic. Non-compliance with consultation days was noted in 38% of health providers. Protective equipment was not provided to 14% of the staff. Staff difficulties during prenatal consultations were fear of occupational exposure (12%) and patient reluctance (88%). Conclusion: The Covid-19 pandemic is having a major impact on prenatal consultations for pathological pregnancies at Abass NDAO Hospital. Effective measures must be taken to avoid the consequences of maternal mortality and the functioning of the s

关键词： Pandemic Covid-19 Pathological Pregnancy

Prevalence of Ocular Trauma at the Reference Health Center (CSREF) of Kati

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Surgical Science 2024年第5期15卷 371-380页

作者： Kadiatou Ba Aichata Tall Brainima Coulibaly Sadio Cissoko Bakary Danfaga Moro sidibe Seydou Diallo oumar Diallo Fatoumata Tata sidibe Aly Konipo Mory Coulibaly Ousmane Touré Aoua I. Touré Cheick Sogodogo Ibrahim Bamenta Gounon Saye Modibo Sissoko Mamadou Kole sidibe Sidi Diarra Nouhoum Guirou Lamine Traoré University Hospital Center Institute of Tropical Ophthalmology of Africa Bamako Bamako Mali Ophthalmology Department Kati Reference Health Center Koulikoro Mali Ophthalmology Department Sikasso Regional Hospital Sikasso Mali Ophthalmology Department Luxembourg Mother-Child Hospital in Bamako Bamako Mali Ophthalmology Department Somin&#233 Dolo Mopti Regional Hospital in Mopti Mopti Mali National Eye Health Program Bamako Mali

Introduction: The authors wanted to study the prevalence of ocular trauma in the ophthalmology unit of the CSREF of Kati. Patients and method: This is a retrospective study, covering the period from January to December 2015, carried out in the ophthalmology unit of the CSREF in Kati. Results: The sample consisted of 568 patients, or 6.82% of ophthalmological consultations. Children aged 0 to 14 years accounted for 154 (27.11%) of the trauma cases. Bruises constitute the main circumstance (58.1%) of eye trauma, followed by domestic accidents (15.6%). Closed globe ocular trauma was the main type of trauma (61.6%), followed by ocular adnexal trauma (30.1%) and open globe trauma (8.3%) in which the penetrating wound was the lesion, the least common (2.6%) but the most serious. Medical treatment was the most used therapeutic modality in 82.4% of cases, followed by surgery with 17.6% of cases. The evolution of the lesions after treatment was favorable in 85.6% of cases and unfavorable in 14.4% of cases. Complications were observed in 5.8% of cases and sequelae in 8.6% of cases. Conclusion: Ocular trauma constitutes an important reason for ophthalmological consultation at the CSREF of Kati. The severity of some of these lesions requires frequent recourse to surgery. The complexity of the treatment should encourage us to favor preventive measures.

关键词： Eye Trauma Prevalence CSREF Kati

Prevalence of Refractive Errors among School Children Aged 5 to 15 Years Old at CHU-IOTA

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Surgical Science 2024年第8期15卷 480-491页

作者： Kadiatou Ba Aichata Tall Mory Coulibaly Cheick Sogodogo Zoumana Bagayogo Aoua Ibrahim Toure Ousmane Toure Brainima Coulibaly Fatoumata Tata sidibe Aly Konipo Roucky Sangare Seydou Diallo Moro sidibe oumar Diallo Assiatou Simaga Gounon Saye Modibo Sissoko Mamadou Kole sidibe Sidi Diarra Nouhoum Guirou Abdoulaye Napo Adama Guindo University Hospital Center Institute of Tropical Ophthalmology of Africa (CHU-IOTA) Bamako Bamako Mali Ophthalmology Department Sikasso Regional Hospital Sikasso Mali Ophthalmology Department Luxembourg Mother-Child Hospital in Bamako Bamako Mali

Introduction: Undetected refractive errors constitute a health problem among school children who cannot take advantage of educational opportunities. The authors studied the prevalence of refractive errors in school children aged 5 to 15 at CHU-IOTA. Patients and Method: This is a prospective, descriptive cross-sectional study carried out in the ophthalmic-pediatrics department of CHU-IOTA, from October to November 2023. Results: We received 340 school children aged 5 to 15, among whom 111 presented ametropia, i.e. a prevalence of 32.65%. The average age was 11.42 ± 2.75 years and a sex ratio of 0.59. The average visual acuity was 4/10 (range 1/10 and 10/10). We found refractive defects: astigmatism 73.87%, hyperopia 23.87% of cases and myopia 2.25%. The decline in distance visual acuity was the most common functional sign. Ocular abnormalities associated with ametropia were dominated by allergic conjunctivitis (26.13%) and papillary excavation (6.31%) in astigmatics;allergic conjunctivitis (9.01%) and papillary excavation (7.20%) in hyperopic patients;turbid vitreous (0.90%), myopic choroidosis (0.45%) and allergic conjunctivitis (0.45%) in myopes. Conclusion: Refractive errors constitute a reality and a major public health problem among school children.

关键词： Refractive Errors Prevalence Child CHU-IOTA

Influence of Copper and Arsenic on Gold Recovery in the Yalea Deposit, Western Mali

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Open Journal of Geology 2021年第4期11卷 142-154页

作者： Fodé Tounkara Jianguo Chen Mory sidibe oumar Soumare State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences (Wuhan) Wuhan China Université de Ségou Ségou—size à Sebougou BP: 24 Ségou Mali Ecole Nationale d’Ingénieurs Abderhamane Baba Touré Bamako Mali

Gold recovery process is well known. The following paper presents the problematic related to the influence of Copper and Arsenic on the recovery of gold in the Yalea deposit. Multielement tests (Au, Cu, As) carried out on 37 blocks made it possible to understand that there is a correlation between these elements. This correlation has been observed since the analysis of block models (the block model for Copper, block model for Arsenic and the block model for gold. These models have shown that the Yalea deposit areas with a high gold content correspond to areas of high copper content and arsenic. Those who made it clear that copper and Arsenic are tracing elements of Gold in the Yalea deposit. In this paper, the mineralurgical tests carried out on 28 blocks revealed that the copper and the arsenic content in the ore penalize the recovery of Gold (146 ppm for copper and 4710 ppm for Arsenic). The Yalea deposit was emplaced by several hydrothermal phases that reactivated the structures. These phases are responsible for the establishment of large quantities of copper sulphides. Copper and Arsenic are elements that have a considerable influence on the gold recovery in the Yalea deposit.

关键词： Gold Recovery Yalea Deposit Mineralurgical Tests Tracing Elements

Valorisation of Auriferous Indices: Case of the Siribaya Deposit, Western Mali

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Open Journal of Geology 2021年第10期11卷 457-470页

作者： Fodé Tounkara Jianguo Chen Mory sidibe oumar Soumare Adama Youssouf Koné Université de Ségou Ségou Mali State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences Wuhan China Ecole Nationale d’Ingènieurs Abderhamane Baba Touré Bamako Mali Laboratoire de Cartographie Département de Géologie Faculté des Sciences et Techniques (FST) Université des Sciences des Techniques et des Technologiques de Bamako (USTTB) Bamako Mali

The purpose of this paper is to understand the valorization of gold showings in the Seribaya deposit, western Mali. Samples taken from Air Core (AC) boreholes were subjected respectively to the magnetic susceptibility test and the X-ray fluorescence analysis. These results lead to the development of a simple methodology, based on signatures/indicators geochemical to identify lithology or to locate mineralization. We note that, compared to other chemical elements, Arsenic remains the most correlated with gold in the study area. Since this correlation remains weak (r = 0.16), it shows that Arsenic does not always accompany gold. There would be a generation of Arsenic related to mineralization, and other generations that would not be. The observation of the strip logs led to the identification of the lithologies (focusing on the immobile elements, Ti, V, Cr, Y, Zr) and the establishment of the alteration profile. Highly altered levels (Saprolite ± Saprock) are characterized by the disappearance of most mobile elements. A medium to strong correlation between gold mineralization and magnetic susceptibility measurements has been observed, in some places, and at depths. These mineralized intervals typically consist of quartz veins, suggesting that they have structural control over the mineralization. Gold mineralization is believed to be related to quartz veins. In addition, gold would be in paragenesis with a generation of Arsenic hosted in coarse sediments.

关键词： Valorization Gold Index Strip Logs Magnetic Susceptibility

Aging Experiences among Older People in Conakry/Guinea: Towards an Age-Friendly City and Community

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Advances in Aging Research 2023年第4期12卷 67-86页

作者： Mamadou Dioulde Balde Alpha oumar Sall Tiany sidibe Madeleine Toure Ramata Diallo Aissatou Diallo Sadan Camara Center for Research in Reproductive Health in Guinea (CERREGUI) Conakry Guinea

Older people are a demographically significant group, who represent a vulnerable layer within conditions for active and healthy aging that may be lacking in both urban and rural areas. Objective: To identify the main barriers and opportunities for the establishment of age-friendly cities and communities in a low-income country. Methods: This was a qualitative study that involved focus group discussions with older people, and service providers (health and social services) in the city of Conakry. The older people were purposively selected with the support of older people associations, and men and women were equally represented in the sample. Results: The analysis focused on the experience of old age as well as the barriers and opportunities for active healthy aging specific to the sub-Saharan context. The results indicate that a good quality of life for older adults boils down to the acquisition of good health and decent housing. Other concerns frequently reported were food and education problems for their children and security. Conclusion: This study contributes to strengthening the understanding of the age-friendly cities and communities’ approach in the context of sub-Saharan African countries.

关键词： Older People Age-Friendly Cities and Communities Barriers Opportunities Conakry

HIV/AIDS Screening in the African Birthplace (Hospital in Kayes, Mali)

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Open Journal of Obstetrics and Gynecology 2021年第3期11卷 279-287页

作者： Mahamadou Diassana Ballan Macalou Sitapha Dembele A. sidibe M. Diallo Soumana oumar Traore Cheickna Sylla Amadou Bocoum Ibrahima Teguete Youssouf Traore Obstetrics and Gynecology Department at Fousseyni DAOU Hospital Kayes Mali Kayes Reference Health Centre Kayes Mali Reference Health Centre in Bamako Commune V Bamako Mali Department of Obstetrics and Gynecology at Gabriel Toure University Hospital Bamako Mali

Purpose: The purpose of this study was to determine HIV prevalence among participants admitted to the delivery room and recent birth attendants. Materials and Methods: This was a descriptive, cross-sectional, analytical study, with a prospective collection from February 1, 2018 to January 31, 2019 at fousseyni Daou Hospital in Kayes, Mali. Results: During our study period, we recorded 4269 deliveries. HIV-positive patients known before labour accounted for 0.21%. Four hundred and six participants received counselling/testing in the delivery room;of which 36 refused the test: 8.87% and 370 accepted or 91.13%. Thirteen patients tested positive or 3.51%. The 20 -

关键词： Screening HIV/AIDS Parturients Delivery Room

Bilateral Central Serous Chorioretinopathy (CRSC) in Pregnancy Complicated with Retroplacental Hematoma: About a Case

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Open Journal of Ophthalmology 2023年第1期13卷 13-22页

作者： Daouda Goita Moro sidibe Mala Sylla Nana Wangara Mamadou Kolé sidibe Adama Dembele Gounon Saye Abdoulaye Napo Nouhoum Guirou Adama Guindo Mamadou Adama Togo Abdoulaye Nouhoum Coulibaly oumar Diallo Japhet Popanou Thera Lamine Traore BOUGOUNI Reference Health Center Bougouni Mali Sikasso Regional Hospital Mali/Alliance for the Development of Community Ophthalmology (ADOC) Bamako Mali Institute of Tropical Ophthalmology of Africa Bamako Mali/Alliance for the Development of Community Ophthalmology (ADOC) Bamako Mali Alliance for the Development of Community Ophthalmology (ADOC) Bamako Mali National Eye Health Program Bamako Mali

Introduction: Central serous chorioretinopathy (CSCR) is associated with serous sensorineural retinal detachment in the macular region. The condition that affects the male gender more than their female counterpart results from focal leakage disturbance of retinal pigment epithelial cells and choroidal abnormalities. The corticosteroid is highlighted as one of the major factors that promote the occurrence of CSCR. Stress and pregnancy, especially in the third trimester, have also been reported by some authors. Central serous chorioretinopathy associated with pregnancy complicated by retroplacental hematoma is a rare event. Observation: We report the case of a pregnant woman at approximately 34 weeks of amenorrhea who presented a sudden and severe drop in visual acuity on a pregnancy complicated by retroplacental hematoma and delivered by cesarean section. The diagnosis was based on clinical arguments associated with photos of the retina made by the MII Ret Cam device (Made In India, Retinoscope Camera) highlighting the lifting of the macular region. Ophthalmological monitoring without medical or physical treatment was instituted. At two months of progression without treatment, bilateral visual acuity was 10/10. Conclusion: Central serous chorioretinopathy and pregnancy is not unusual;however, its bilateral and brutal form in a context of pregnancy complicated by retroplacental hematoma is rare. Despite this favorable evolution, monitoring remains necessary in order to prevent recurrences and complications.

关键词： MII Ret Cam Central Serous Chorioretinitis Retroplacental Hematoma

Staphylococcus xylosus Isolation of Conjunctival Secretions in an 8-Year-Old Child at Sikasso Hospital (Mali): About a Case

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Open Journal of Medical Microbiology 2022年第2期12卷 49-55页

作者： Moro sidibe Abdoulaye Napo Adama Dembele oumar Kassogué oumar Diallo Djonny Jonas Dembele Mamadou Adama Togo Kadiatou Ba Koita Abdoulaye Nouhoum Coulibaly Abdoulaye Konaté Jeannette Traore Fatoumata N’Diaye Japhet Popanou Thera Lamine Traore Sikasso Regional Hospital Sikasso Mali Alliance for the Development of Community Ophthalmology (ADCO) Bamako Mali Institute of Tropical Ophthalmology of Africa Bamako Mali Sikasso Medical Biology Laboratory (BIOSIK) Sikasso Mali

Staphylococcus xylosus is a species of bacteria belonging to the genus Staphylococcus. This genus currently includes several species and subspecies. We distinguish between 2 groups: the group of coagulase-positive staphylococci (CoPS) and coagulase-negative staphylococci (CoNS), a larger group that includes more than forty species and subspecies. Among the CoNS, Staphylococcus xylosus occupies a special place because it is frequently isolated from meats, dairy products, and agricultural environments. It is commonly used in fermentation due to its primary role in the flavor and color development of fermented products. It is a commensal bacterium of the skin of small mammals and farm animals, where it constitutes the majority of flora. In this species, there are a large number of strains, including phenotypes and genotypes. Although S. xylosus is actually a recognized non-pathogenic species, a few strains can be potentially dangerous. They can thus be responsible for mastitis and dermatitis in cattle. With the multiplicity of breeding farms, the consumption of livestock products and the increasingly frequent contact of humans with animals a few rare cases of human opportunistic infections have also been reported in the literature. These include pyelonephritis, endocarditis, urinary, lymphatic, and lymph node infections, contamination of orthopedic materials and catheters. Thereby, we report the case of a lingering and chronic infection of the lacrimal tract by Staphylococcus xylosus in an 8-year-old child in the Ophthalmology Department of Sikasso hospital in Mali.

关键词： Staphylococcus xylosus Infection Sikasso Hospital Mali