160 research outputs found
LES COMPLICATIONS DE LA MALADIE DE CROHN CONDUITE DIAGNOSTIQUE ET THERAPEUTIQUE EN URGENCE: COMPLICATIONS OF CROHN’S DISEASE DIAGNOSTIC AND THERAPEUTIC CONDUCT IN EMERGENCY
La maladie de Crohn (MC) est une maladie inflammatoire transmurale du tube digestif d’évolution chronique, d’étiologie probablement multifactorielle. Elle touche l’adulte jeune entre 30 et 40 ans. La localisation la plus fréquente est le grêle distale avec des formes grêliques pures dans 30 à 40% et des formes grêlo-coliques dans 20 à 30%, la maladie de Crohn se traduit par des douleurs abdominales et des diarrhées qui peuvent persister plusieurs semaines. L’iléo-coloscopie avec biopsies est primordiale pour confirmer son diagnostic. Le traitement doit toujours être médical en dehors des situations d’urgences qui peuvent imposer des gestes chirurgicaux : drainage d’abcès, traitement des occlusions et des péritonites, La place de la laparoscopie dans la maladie de Crohn est faisable mais les résultats dépendent de l’expérience de l’opérateur.AbstractCrohn's disease (CD) is a chronic transmural inflammatory disease of the digestive tract, probably of multifactorial etiology. It affects young adults between the ages of 30 and 40. The most frequent localization is the distal hail with pure hail forms in 30 to 40% and hail-colonic forms in 20 to 30%. Crohn's disease results in abdominal pain and diarrhea which can persist for several weeks. Ileo-colonoscopy with biopsies is essential to confirm its diagnosis. The treatment must always be medical apart from emergency situations which may require surgery: abscess drainage, treatment of occlusions and peritonitis, the place of laparoscopy in Crohn's disease is feasible but the results depend on the operator’s experience.Keywords: Crohn's disease, Complications, Ileocecal resection, Recurrence.
 
Developing a Sustainable Concrete using Ceramic Waste Powder
The change from a traditional utilization based society to a sustainable society is urgently needed because of the contamination of the natural environment, the depletion of the natural resources and the reduced capacity of the final waste disposal arrangements. Concrete is regarded as an advanced and major construction material which needs continuous innovation and improvement to reduce environmental impact. In the future, the demand for concrete will be increasing with the increase in population. This article presents an experimental study of using ceramic waste as a limited replacement with cement in structural concrete. Ceramic waste deposit, on one side, poses a number of environmental challenges, ranging from air, water and soil contaminations but on another side, it has cementitious properties. Concrete mixtures with different percentage of ceramic waste powder were produced, tested and compared in terms of compressive strength. As a result, the maximum compressive strength achieved with a 30% ceramic waste. The purpose of this study was to examine the performance of cement concrete with different percentage of ceramic waste powder, it needs to be noted that such performance may be varied when the grade of cement or chemical composition of ceramic waste powder will be changed. The long-run performance (after 28 days) of such concrete and especially when used with reinforcement need to be investigated further
Hernie diaphragrmatique de MORGANI-LARREY étranglée sur méséntere commun, à propos d'un cas: Strangulated MORGANI-LARREY diaphragmatic hernia on common mesentery, a case report
Les hernies diaphragmatiques sont rares, représentées par les hernies de Bochdaleck et les hernies rétrocostoxyphoidiennes de Morgani-Larrey, ces dernières sont plus fréquentes chez l'adulte et souvent asymptomatiques.Le diagnostic est radiologique, le traitement est chirurgical afin d'éviter le risque d'étranglement.Nous rapportons le cas clinique d'une patiente de 74 ans qui présente une hernie diaphragmatique tardivement par une occlusion intestinale aigüe, ayant bénéficiée d’une intervention chirurgicale par laparotomie avec réduction de la hernie et fermeture de la brèche diaphragmatique.Mots clés : Henrie diaphragmatique étranglée , Occlusion intestinale aigue, Hernie de morgani-larreyAbstract :Diaphragmatic hernias are rare, represented by bochdaleck and retrocostoxiphoid hernias of morgani-larrey, Morgani-larrey hernia is more frequent in adults and often asymptomatic.The diagnosis is radiological (ct scan), The treatment is surgical in order to avoid the risk of strangulationWe report the clinical case of a 74-year-old patient who presents with a congenital diaphragmatic hernia revealed late by an acute intestinal obstruction who underwent surgical intervention by laparotomy with reduction of the hernia and closure of the diaphragmatic breach.Keywords: Strangulated hernia , Morgani-larrey herni
Challenges towards renewable energy: an exploratory study from the Arabian Gulf region
Considering the importance of energy for social and economic development, access to clean, affordable and reliable energy has been adopted as one of the United Nations sustainable development goals that all countries aim to achieve by 2030. However, much of the world's energy is still produced from fossil fuels and thus the progress towards clean and renewable energy is slow. This paper explores the key challenges towards renewable energy in Gulf Cooperation Council countries blessed with plenty of oil and gas reserves. The key challenges identified through literature review were ranked using a quantitative approach through the data collected from a selective sample across the six countries. These challenges in order of importance were found to be policies and regulations, manpower experience and competencies, renewable energy education, public awareness, costs and incentives for renewable energy and government commitment. The findings could be helpful to decision makers and government organisations in the region to develop strategies to overcome these identified challenges
Exploring safety climate factors in construction
This paper aims to explore and to make explicit of the existing safety climate assessment tools and dimensions. The concept of safety climate is firstly discussed with a review of different safety climate factors from the published literature. A qualitative research method was employed to explore the safety climate factors through a systematic review using four databases and specific keywords. A total of 68 papers were selected for the screening process. The screening process allowed to select the final 18 safety climate assessment tools and papers consisting of 98 safety climate factors spanning over a period of 39 years (1980-2019). Construction organisations may consider these factors to assess the current maturity level of their safety climate and to develop plans to achieve the required level. It is recommended that the factors discussed in this paper may be validated first before they are incorporated in the assessment of safety climate
Gastrointestinal Stromal Tumors: Update and Therapeutic Strategies
AbstractGastrointestinal Stromal Tumors (GISTs) represent a significant clinical challenge due to their resistance to conventional chemotherapy. This study aims to provide an update on the clinical, morphological, pathological, and therapeutic aspects of GISTs treated at our institution over an 11-year period. We highlight the efficacy of Imatinib as a targeted therapy and emphasize the importance of complete surgical resection. Additionally, we present a case of concomitant gastric adenocarcinoma and duodenal GIST, underscoring the need for comprehensive clinical evaluation in these cases
High-quality radio-frequency inductors on silicon using a hybrid ferrite technology
We have realized millimeter-size rf inductors on silicon using a polyimide mold–copper electroplating coil technology. Subsequently, the coils are assembled with magnetic cover plates of commercially available bulk Ni–Zn ferrites of high resistivity. Using the magnetic flux-amplifying ferrite plates, we obtain a 40% enhancement of the inductance and a 25% enhancement of the quality factor (Q510– 20) for frequencies up to 0.2 GHz. Our results indicate the large potential of using bulk ferrites for RF applications in a hybrid inductor assembly process
Cubic millimeter power inductor fabricated in batch-type wafer technology
A hybrid technology for the realization of three-dimensional (3-D) miniaturized power inductors is presented. Our devices consist of planar Cu coils on polyimide substrates, and mm-size ferrite magnetic cores, obtained by three-dimensional micro-patterning of ferrite wafers using powder blasting. The coils are realized using an in-house developed high-resolution polyimide spinning and Cu electroplating process. Winding widths down to 5 um have been obtained and total device volumes are ranging between 1.5 and 10 mm3. Inductive and resistive properties are characterized as a function of frequency; inductance values in the 100 uH range have been obtained
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