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Risk Factors and Complications in 947 Tuberculosis Patients Hospitalized in the Pulmonology Department of Fann Chnu from 2017 to 2019

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Journal of Tuberculosis Research 2022年第4期10卷 171-186页

作者： Maïmouna Fafa Cisse Emmanuella Mahugnon Tognimassou Samba Niang Fatimata Binetou Rassoule Mbaye khady thiam Yacine Dia Kane Nafissatou Oumar Toure Service de pneumologie CHNU de Fann Université Cheikh Anta Diop (UCAD) Dakar Sénégal UFR Santé de Saint Louis Saint Louis Sénégal

Introduction: Despite current progress, tuberculosis remains a major public health problem, given its still high incidence, prevalence, and mortality, particularly in sub-Saharan African countries, including Senegal. This risk is higher for immunocompromised people. Complications and comorbidities can also affect the course of the disease, affecting the prognosis. It is in this context that this study was undertaken with the objective of determining the risk factors and complications in patients hospitalized for tuberculosis. Materials and Methods: This was a retrospective and descriptive study carried out in 2021, from records of patients hospitalized for tuberculosis from January 1, 2017, to December 31, 2019, at the Pulmonology Department of Fann. Inclusion criteria were all patients on TB treatment after diagnosis of tuberculosis has been confirmed bacteriologically or clinically according to the World Health Organization’s TB case definition. Multidrug-resistant TB was excluded. Results: Out of 4516 hospitalized patients, 20.96% of patients were tuberculosis patients. The sex ratio was 2.18. 4/5 of the patients were between 18 and 39 years old. The main contributing factors of TB found were undernutrition (93.13%), active smoking (36.75%) and diabetes (35.97%). The time between hospitalization and onset of symptoms was greater than 2 months in 60.53% of cases. A complication was noted in 89.10% of patients, particularly bacterial/viral bronchopulmonary co-infection (31.15%). The trend was favorable in 88.49% of cases. It resulted in death in 10.98% of cases. Conclusion: Most integrated-care nutritional support programs focus on HIV. Undernutrition appears to play a much more important role than HIV in the extent of TB in poor countries. It creates a vicious circle with tuberculosis, one of the components of which is immunosuppression and the increased frequency of complications such as bacterial/viral community/nosocomial co-infection, the actual incidence of w

关键词： Undernutrition Tuberculosis Bacterial Co-Infection

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Impact of Education on the Quality of Life of Asthmatics:Evaluative Study of 100 Cases in Pneumophtisiology Department of the Fann National University Hospital Center(FNUHC),Senegal

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Occupational Diseases and Environmental Medicine 2019年第1期7卷 1-12页

作者： Cheikh Tacko Diop khady thiam Fatimata Binetou Rassoule Mbaye Maimouna Fafa Cisse El Hadj Mamadou Ndiaye Samba Niang Thibaut Houssou Yacine Dia Kane Ansoumana Diatta Nafissatou Oumar Toure Direction of FNUHC DakarSenegal Pneumophtisiology Department FNUHCDakarSenegal Pneumology Department Regional Hospital Center of Saint-LouisSaint-LouisSenegal Department of Pneumology Peace HospitalZiguinchorSenegal

Introduction: Therapeutic patient education is a continuous, integrated, patient-centered process. A study was conducted in the Asthma School in the pneumophtisiology department of Senegal. Overall goal was to determine the influence of therapeutic education on the quality of life of asthmatics. Method: Transverse study, descriptive and evaluative therapeutic education provided in the school of asthma on quality of life for asthma patients. Data were analyzed through IBM SPSS (Statistical Package for Social Science) version 20. Results: 100 asthmatic patients were included with a sex ratio of 0.37. The average age of the patients was 36.76 years old. The majority (81.3%) (n = 39) being new participants. The average scores for symptoms, exposure to stimuli, emotions and limiting activities stay higher for adherent patients as well as the score overall quality of life. Conclusion: The school of asthma, associated with the therapeutic management, can improve the control of the disease and the quality of life of the patient.

关键词： School of Asthma Chronic Disease Patient Cooperation Non-Medicated Treatment of Asthma

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Determination of the Base Optimum Thickness of Back Illuminated (n⁺/p/p⁺) Bifacial Silicon Solar Cell, by Help of Diffusion Coefficient at Resonance Frequency

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Journal of Electromagnetic Analysis and Applications 2023年第2期15卷 13-24页

作者： Mohamed Yaya Teya Ousmane Sow khady Loum Ibrahima Diatta Gora Diop Youssou Traore Mamadou Wade Gregoire Sissoko International Research Group in Renewable Energy (GIRER) Dakar Senegal Ecole Polytechnique de Thiès Thiès Senegal Institut Universitaire de Technologie Université Iba Der THIAM Thiès Senegal

The bifacial silicon solar cell subjected to a magnetic field, is illuminated by the back side by a monochromatic light in frequency modulation, with high absorption, At minority carriers diffusion coefficient resonance frequency, a graphical study of the expressions of recombination velocity on the rear side is carried out. The optimum thickness of the base of the bifacial solar cell is deduced for each resonance frequency.

关键词： Bifacial Silicon Solar Cell Frequency Magnetic Field Wavelength-Recombination Velocity Base Thickness

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Diffusion Coefficient at Double Resonances in Frequency and Temperature, Applied to (n⁺/p/p⁺) Silicon Solar Cell Base Thickness Optimization under Long Wavelength Illumination

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Journal of Electromagnetic Analysis and Applications 2022年第8期14卷 89-103页

作者： Gora Diop Ousmane Sow Moustapha thiame Richard Mane Ibrahima Diatta khady Loum Sega Gueye Mamadou Wade Gregoire Sissoko Ecole Polytechnique de Thiès Thiès Senegal Institut Universitaire de Technologie Université Iba Der THIAM de Thiès Thiès Senegal Université Assane SECK Zinguinchor Senegal Groupe International de Recherche en Energie Renouvelable(GIRER) Dakar Sénégal

The diffusion coefficient of the minority charge carriers in the base of a silicon solar cell under temperature and subjected to a magnetic field, passes in reso-nance at temperature (Topt). For this same magnetic field, the diffusion coeffi-cient of the photogenerated carriers by a monochromatic light in frequency modulation enters into resonance, at the frequency (ωc). Under this double resonance in temperature and frequency, the diffusion coefficient is used in the expression of the recombination velocity of the minority charge carriers on the back side of the base of the solar cell (n+/p/p+), to obtain, by a graphical method, the optimum thickness. A modeling of the results obtained shows a material saving (Si), in the development of the solar cell.

关键词： Silicon Solar Cell-Diffusion Coefficient Recombination Velocity Absorption Coefficient Magnetic Field-Temperature-Thickness

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AC Back Surface Recombination Velocity as Applied to Optimize the Base Thickness under Temperature of an (n⁺-p-p⁺) Bifacial Silicon Solar Cell, Back Illuminated by a Light with Long Wavelength

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World Journal of Condensed Matter Physics 2023年第1期13卷 40-56页

作者： khady Loum Ousmane Sow Gora Diop Richard Mane Ibrahima Diatta Malick Ndiaye Sega Gueye Moustapha thiame Mamadou Wade Gregoire Sissoko International Research Group in Renewable Energy (GIRER) Dakar Sénégal Institut Universitaire de Technologie Université Iba Der THIAM de Thiès Thiès Senegal Université Assane SECK Ziguinchor Senegal Ecole Polytechnique de Thiès Thiès Senegal

The bifacial silicon solar cell, placed at temperature (T) and illuminated from the back side by monochromatic light in frequency modulation (ω), is studied from the frequency dynamic diffusion equation, relative to the density of excess minority carriers in the base. The expressions of the dynamic recombination velocities of the minority carriers on the rear side of the base Sb1(D(ω, T);H) and Sb2(α, D(ω, T);H), are analyzed as a function of the dynamic diffusion coefficient (D(ω, T)), the absorption coefficient (α(λ)) and the thickness of the base (H). Thus their graphic representation makes it possible to go up, to the base optimum thickness (Hopt(ω, T)), for different temperature values and frequency ranges of modulation of monochromatic light, of strong penetration. The base optimum thickness (Hopt(ω, T)) decreases with temperature, regardless of the frequency range and allows the realization of the solar cell with few material (Si).

关键词： Bifacial Silicon Solar Cell Absorption Coefficient Frequency Temperature Recombination Velocity Optimum Thickness

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