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Journal of Materials Science and Chemical Engineering 2024年第6期12卷 43-54页

作者： Alpha Issa diallo Jean Ahmadou Kourouma.Adama Moussa Sakho Younoussa Moussa Baldé Mamadou Madaniou Sow Alexandre Lucien Richard Mechanical Laboratory Higher Institut of Technology of Mamou Mamou Republic of Guinea Materials Laboratory of the Gamal Abdel Nasser University of Conakry Conakry Republic of Guinea Dpartment of Laboratory Technology Higher Institut of Technology of Mamou Mamou Republic of Guinea Department of Energy Science Higher Institut of Technology of Mamoun Mamou Republic of Guinea

This work consists of evaluating the quality of the mechanical parameters of large-diameter steels, i.e. 20, 25, 28 and 32, through a process of recycling scrap metal that fills garages, rubbish dumps, gutters and other abandoned sites, as well as imported concrete reinforcing steel sold in the Republic of Guinea. To carry out this important work, a number of mechanical tensile and bending tests and a microscopic analysis combining two devices, an electron microscope and a photographic camera, were carried out. The samples were taken from sampling areas in the major communes of Conakry, namely: Casse Sonfonia, Matoto and Kagbélen. The tensile strength values of the large dimensions 20, 25, 28 and 32 are given in the tables.

关键词： Recycled Scrap Large Diameter Rolling Tensile Testing Bending

Phenotypic Detection of Enterobacterales Strains Susceptible of Producing OXA-48 Carbapenemase

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Advances in Microbiology 2024年第2期14卷 115-121页

作者： Abdoulaye Seck Abdou Diop Babacar Ndiaye Assane Dieng Awa Ba Amadou Diop Chantal Mahou Douala-Djemba Thierno Abdoulaye diallo Cheikh Anta Diop University of Dakar Dakar Senegal Medical Biology Laboratory Pasteur Institute of Dakar Dakar Senegal

Background: Nowadays, emergence of Carbapenemase-Producing Enterobacterales (CPE) throughout the world has become a public health problem, especially in countries with limited resources. In recent years, CPE of type OXA-48 (Ambler class D) have been identified in Dakar. The aim of this study was to evaluate the phenotypic detection of OXA-48 CPE using a temocillin disc (30 μg). Methodology: A retrospective study was carried out at Medical Biology Laboratory of Pasteur Institute in Dakar on Ertapenem-Resistant Enterobacterales (ERE) strains isolated from 2015 to 2017. These strains were then tested with a 30 μg temocillin disc. Any strain resistant to temocillin (inhibition diameter Results: Forty-one ERE isolated during the study period were tested, of which 34 (82.9%) were OXA-48 based on phenotypic detection using temocillin disc and confirmed by PCR (100%). OXA-48 CPE strains detected were composed of Klebsiella pneumoniae (n = 14;41.2%), Enterobacter cloacae (n = 8;23.5%), Escherichia coli (n = 7, 20.5%), Citrobacter freundii (n = 3;8.8%), Cronobacter sakazakii (n = 1;3%) and Morganella morganii (n = 1;3%). Conclusion: Temocillin resistance has a good positive predictive value for detecting OXA-48 CPE by phenotypic method, confirmed by PCR. Temocillin is therefore a good marker for detection of OXA-48 CPE except Hafnia alvei.

关键词： Ertapenem Temocillin Phenotypic Detection Carbapenemase-Producing Enterobacterales OXA-48

Primary Total Hip Arthroplasty on Complex Hips Conditions in a Low-Resource Setting

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Open Journal of Orthopedics 2024年第7期14卷 325-333页

作者： Souleymane Ouédraogo Malick diallo Sékou Sidibé Massadiami Soulama Adama Sidibé Ousmane Ouermi Patrick W. H. Dakouré Orthopedics and Traumatology Department University Hospital Sour SANOU Bobo-Dioulasso Burkina Faso Superior Institute of Medical Sciences University Nazi BONI Bobo-Dioulasso Burkina Faso

Introduction: Total hip arthroplasty of complex morphology is a challenge for the orthopaedic surgeon. Careful analysis of the hip’s anatomy helps to unravel the difficulties and anticipate the procedures to be performed and the implants to be planned. The aim was to identify the types of hip that make first-line THR difficult, specify the technical procedures to be used on these sites, and assess the functional results of the series. Material and Methods: This was a retrospective study that concerned patients operated on for total hip arthroplasty between January 2015 and December 2022 at the medical center “La Grâce” in Bobo-Dioulasso, Burkina Faso. Patients with coxarthrosis (on hip dysplasia, acetabular protrusio, acetabular malunion or neurological hip) and those with ankylosis of the hip, osteonecrosis secondary to neglected dislocation of the hip or hemoglobinopathy were included. Results: A total of 31 total hip replacements were performed in 30 patients. The mean age of patients at the surgery time was 36.2 years with extremes of 17 and 61 years. The male-to-female sex ratio was 1. The main indications for THA were the dysplasic hip osteoarthritis (11 cases) and the neglected hip dislocations (7 cases). In situ femoral neck osteotomy before hip dislocation was performed in seven cases. The acetabulum reconstruction techniques varied from the structural iliac bone graft (n = 3) and cancellous bone graft (n = 4) to the Kerboull plate (n = 1). After 45 months of mean follow-up, all hips were evaluated. The mean PMA score increased from 7.1 [4 - 8] before the surgery to 13.2 [13 - 17]. Conclusion: The large spectrum of challenges in complex hip management requires effective preoperative planning. Preoperative planning minimizes complications and ensures a better outcome.

关键词： Primary Total Hip Arthroplasty Hip Dysplasia Complex Hip

Management of Acute Bowel Obstruction in Adults in Ziguinchor Hospital Establishments: About 163 Cases Followed Up

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Surgical Science 2024年第4期15卷 207-218页

作者： Omar Sow Cheikh H. Badji Mouhamed Dieng Reymond Seydi Aissata diallo Cheikh Diouf Papa A. Ba Boubacar Fall Department of General Surgery Peace Hospital Assane Seck University of Ziguinchor Ziguinchor Senegal Department of General Surgery Central Regional Hospital of Ziguinchor Assane Seck University of Ziguinchor Ziguinchor Senegal Department of General Surgery University of Iba Der Thiam Thies Senegal

Acute intestinal obstruction represents a very frequent admission to surgical emergencies. The aim of our study was to make a descriptive analysis of the management of acute intestinal obstructions at the level of hospital establishments in Ziguinchor. Materials and Methods: This was a retrospective, descriptive, multicenter study from the period of January 1, 2017 to December 31, 2021. Patients over 15 years of age admitted for occlusive syndrome in the two surgical departments of the Ziguinchor regional hospitals were included in the study. Epidemiological, diagnostic, therapeutic and evolutionary data were studied. Results: Acute intestinal occlusions accounted for 8.3% of admissions. A total of 163 patients were enrolled, 61.9% were men, sex ratio of 1.6. The mean age was 48.7 years. The average consultation time was 74.8 hours (3.12 days). The total occlusive syndrome was in 48.5% of the cases. Abdominal pain was present in 87.1%, vomiting in 74.2%, cessation of matter and gas in 60.7% and meteorism in 36.2%. Biological lab tests reported hyperleukocytosis in 28.1% of the cases. Abdominal CT scans were performed in 71.2%, confirming the diagnosis in 90.5% and determining the etiology in 93.1%. The zone of the obstruction in the small bowel was 62.7%, and in the colon in 37.3%. Functional occlusions accounted for 22.7% of cases and mechanical for 77.3%, including 120 cases of strangulation occlusion (95.2%) and 6 cases of obstruction. Etiologies were dominated by adhesions and/or fibrous bands (61.2%). Medical treatment resolved the occlusive syndrome in 9.2% of cases, instrumental treatment in 17.1% and surgical treatment in 77.3%. Adhesiolysis/section of fibrous bands (55.7%), detorsion (14.3%) and resection anastomosis (11.9%) were the most common surgical procedures. Overall morbidity was 11.6%, dominated by surgical site infection (7.14%). The mean resumption of intestinal transit was 2.7 days, and the mean hospital stay was 7.9 days. Overall mortality was

关键词： Intestinal Obstruction Emergency Surgery Ziguinchor

Management of Acute Malnutrition in Children Aged 0 to 24 Months Boulbinet Health Center

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Open Journal of Pediatrics 2024年第1期14卷 122-131页

作者： Mohamed Lamine diallo Mamadou Ciré Barry M’mah Aminata Bangoura Louis Philippe Diffo Mamadouba Bangoura Fatouma.a Sacko Telly Sy Pediatric Urgencies Donka National Hospital Conakry Guinea Pediatric Department Ignace Deen National Hospital Conakry Guinea Institute of Nutrition and Child Health (INSE) Conakry Guinea Boulbinet Health Center Conakry Guine Gynecology-Obstetrics Department H&#244pital National Ignace Deen Conakry Guinea

Introduction: Malnutrition is a pathological state resulting from the relative deficiency or excess of one or more essential nutrients, whether manifested clinically or detected only by biochemical, anthropometric or physiological analyses. The overall objective was to assess the quality of management of acute malnutrition in children aged 0 - 24 months at the Boulbinet health center. Methodology: This was a prospective descriptive study lasting six (06) months from May 5 to October 5, 2018. The study included all children aged 0 to 24 months. Results: Acute malnutrition in children aged 0 - 24 months accounted for 2.11% of cases. The sex ratio was 1.41 in favor of males. The mean age of our patients was 5 months 7 days, with extremes of 1 month and 6 months. The majority came from Ra toma (40.24%). Exclusive breastfeeding was most common (54.02%). The main clinical signs were: pallor 49.42%, diarrhea 46.67, oral lesions37.96%. SAM represented 89.66% and MAM 10.34%. Most associated pathologies: anemia 49.42% and oral candidiasis 37.93%. In terms of outcome, we recorded 56.32% cures, 20.69% deaths, 18.39% dropouts and 4.60% cures. Conclusion: Improving the quality of care for malnourished children aged 0 - 24 months requires raising awareness among mothers and the general public of the consequences of malnutrition.

关键词： Management Acute Malnutrition Center Boulbinet

Ambulatory Uretrocystoscopy in the Urology Andrology Department of Grand Mbour Hospital

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Open Journal of Urology 2024年第2期14卷 61-70页

作者： Saint Charles Nabab Kouka Ramatoulaye Ly Ngor Mack Thiam Modou Diop Cisse Mouhamed Cheikh Diop Yoro diallo Cheickna Sylla Department of Urology Faculty of Health Sciences University Iba Der Thiam of Thies Thies Senegal

Background: Urethrocystoscopy is a method of endoscopic exploration that allows direct visualization of the urethra and bladder for diagnosis or treatment of diseases of the lower urinary tract. Purpose: To determine the epidemiological profile of patients who underwent urethrocystoscopy and to present the indications and the results of this endoscopic examination. Patients and Methods: This is a retrospective, descriptive study of all patients who underwent outpatient urethrocystoscopy in the Urology and Andrology department of Grand Mbour hospital. The epidemiological data of the patients, the indications, the results of the endoscopic exploration and the additional procedures performed were entered and analyzed with Excel 2016. We performed descriptive statistics. Results: Of the 216 patients who underwent outpatient urethrocystoscopy, we counted 179 men (82.87%) and 37 women (17.13%). The sex ratio was 4.84. The mean age of the patients was 53.71 ± 18.76 years (age range 17 to 91 years). The main indications were lower urinary tract disorders (60.18%) and hematuria (28.70%). Endoscopic exploration revealed prostatic tumor in 69 patients (31.9%), 29 cases of bladder tumors (13.4%) and 19 cases of bilharzia cystitis (8.8%). The urethrocystoscopy was normal in 32 patients (14.8%). Conclusion: Urethrostoscopy is an endoscopic exploration examination that can be performed on an outpatient basis. Lower tract urinary disorders and hematuria were the main indications.

关键词： Urethrocystoscopy Outpatient Indications Diagnosis Mbour

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 ouma. diallo Fatouma.a 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

Prostate Cancer in the Thies Region, Senegal: Epidemiological, Diagnostic and Therapeutic Aspects

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Open Journal of Urology 2024年第2期14卷 71-82页

作者： Saint Charles Nabab Kouka Linda Bentefouet Mohamed Jalloh Ngor Mack Thiam Modou Faye Modou Diop Mohamed Cisse Amy Diame Yoro diallo Cheickna Sylla Department of Urology Faculty of Health Sciences University Iba Der Thiam of Thies Thies Senegal Department of Anatomy Pathology Faculty of Health Sciences University Iba Der Thiam of Thies Thies Senegal Department of Urology University Cheikh Anta Diop De Dakar Dakar Senegal

Introduction: Prostate cancer is the leading urological cancer. It is the most common cancer in men over 50. Objective: To determine the epidemiological, diagnostic and therapeutic characteristics of prostate cancer in hospitals in the Thiès region. Patients and Methods: We conducted a descriptive study from January 1st, 2015 to December 31st, 2020. We included all cases of primary prostate cancer confirmed on histology. Results: We collected data on 318 cases of primary prostate cancer during the study period. Mean patient age was 72.7 years (Range: 49;94 years). Family history of prostate cancer was found in 22 patients (6.91%). The average consultation time was 18.6 months. The circumstances of discovery were dominated by obstructive voiding disorders (97.16%). Digital Rectal examination was suggestive in 55.40% of patients. PSA level was above 20 ng/ml in 76.7% of patients. Prostatic adenocarcinoma was the only histological type (100%). Localized cancer represented 7.2% and locally advanced cancer occurred in 36.5% of cases, while metastatic cancer accounted for 56.3%. Radical prostatectomy was performed in 3.18% of cases. Mortality rate was estimated at 8.50% after 1 year. Conclusion: Prostate cancer is the leading urological cancer in the Thies region. It is characterized by the predominance of locally advanced and metastatic forms.

关键词： Prostate Cancer Epidemiology Histology Metastasis Mortality Thies

Interest of Non-Invasive Markers (APRI, FIB-4) for Assessing Hepatic Fibrosis in Patients with Chronic Viral Hepatitis B without Cytolysis and with Low Viral Replication

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Open Journal of Gastroenterology 2024年第5期14卷 192-201页

作者： Mamadou Diakité Kouassi Olivier Claver Koffi Amadou Koné Akoun Fabrice Aké Oury diallo Ahmadou Stellart Jean M. Brou Anassi Jean-Baptiste Okon Department of Medicine and Hepato-Gastroenterology Teaching Hospital of Bouak&#233 Bouak&#233 C&#244te d&#8217Ivoire Faculty of Medical Sciences Alassane Ouattara University Bouak&#233 C&#244te d&#8217Ivoire

Background and Objectives: The indication for treatment in HBsAg-positive patients with low viral load and normal transaminases requires an assessment of fibrosis. In resource-limited settings, free hepatic fibrosis evaluation tests can aid in therapeutic decision-making. Our study aims to demonstrate the utility of assessing hepatic fibrosis using non-invasive markers (APRI and FIB-4) in patients with chronic B viral hepatitis without cytolytic activity and low viral replication in our context. Patients and Methods: This is a retrospective cross-sectional study conducted between January 2018 and December 2021 at the University Hospital Center of Bouaké. Included were all patients aged ≥18 with normal transaminases (Results: Our study included 241 patients, with a mean age of 36.19 years (±10.52 years) and a male predominance of 52%. The mean FibroScan® value was 6.44 ± 2.3 kPa, and 68 patients (28.22%) had fibrosis >7 kPa. To exclude significant fibrosis (FS Conclusion: A significant proportion of HBV-infected patients with normal ALT and low viral load have active liver disease. Both FIB-4 and APRI biological scores are useful in identifying individuals without significant fibrosis with a good negative predictive value (>50%).

关键词： HBV Infection APRI FIB-4 Impulse Elastography BouakéUniversity Hospital

Evaluation of Medical Prescribers’ Theoretical Knowledge on Medical Imaging in the Northern Region of Burkina Faso

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Open Journal of Radiology 2024年第2期14卷 33-41页

作者： Some Milckisédek Judicaël Marouruana Ouedraogo Pakisba Ali Tankoano Aïda Ida Savadogo Habibou Kindo Bassirou Ouedraogo Nina-Astrid Bamouni Yomboé Abel diallo Ousseini Department of Medical Imaging Ouahigouya Regional University Hospital University of Ouahigouya Ouahigouya Burkina Faso Department of Medical Imaging Souro Sanou University Hospital Nazi Boni University Bobo Dioulasso Burkina Faso Department of Medical Imaging Bogodogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso Workers Health Office Joseph Ki Zerbo University Ouagadougou Burkina Faso Department of Medical Imaging Yalgado Oudraogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso

Introduction: Medical imaging is a medical specialty that involves producing images of the human body and interpreting them for diagnostic, therapeutic purposes, and for monitoring the progress of pathologies. We aimed to assess the theoretical knowledge of doctors and interns in medical imaging in the northern region of Burkina Faso. Methodology: This was a descriptive cross-sectional survey based on a self-administered questionnaire. Prescribers knowledge was estimated based on scores derived from questionnaire responses. Results: We collected 106 questionnaires out of 163, i.e. a participation rate of 65.03%. The average knowledge score was 81.71% for the contribution of medical imaging to patient management. It was 60.02% for the indications/counter-indications of radiological examinations and 72.56% for the risks associated with exposure to radiation during these examinations. The score was 59.83% for the methods used to select the appropriate radiological examination. As regards the completeness of the clinical and biological information on the forms requesting imaging examinations, the score was 96.65%. Specialist doctors had the highest overall level of knowledge (74.68%). Conclusion: Improved technical facilities, good initial and in-service training, and interdisciplinary collaboration will help to ensure that imaging tests are properly prescribed, leading to better patient care.

关键词： Theoretical Knowledge Medical Imaging Northern Region Burkina Faso