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Buerger’s Disease and Fitness for Work in a Flight Personnel: A Case Report

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Occupational Diseases and Environmental Medicine 2022年第2期10卷 71-77页

作者： Imen Jammeli asma aloui Malek Ben Abdelkader Zeineb Athimni Marwa Bouhoula Chouchene asma Imen Kacem Maher Maoua Aicha Brahem Houda Kalboussi Olfa El Maalel Souhaiel Chatti Nejib Mrizak University Hospital Farhat Hached Sousse Tunisia Department of Occupational Medicine University Hospital Ibnou El Jazzar Faculty of Medicine of Sousse University of Sousse Sousse Tunisia

Buerger’s disease, also called thromboangiitis obliterans (TAO), is an inflammatory disease affecting small and medium size blood vessels of the limbs. Several risk factors are strongly associated with this disease. In fact, heavy smokers represent 99% of patients diagnosed with Buerger’s disease and smoking cessation can slow down the progression of the pathology. Ulcers and gangrene are very common complications and TAO may also cause a vasculitis as well as ischemic damage to the distal part of the limbs that can eventually lead to limb amputation. Here, we report the case of a 43 years old patient, a flight personnel working in a Tunisian airline company who consults for a lesion of the left toe that appeared 2 weeks ago. He is a chronic inveterate smoker with 36 pack-years. The diagnosis of TAO was made based on the clinical presentation and the results of the Doppler Ultrasound of the left toe. This disease has a major impact on the quality of life due to the risk of necrotic ulcers and amputation. Navigation is a profession that requires a high level of physical and mental fitness. According to the international and Tunisian standards, the applicant or the holder of medical certificate must not have a cardiovascular condition that may affect the safety of the exercise.

关键词： Buerger’s Disease Flight Personnel Medical Fitness

Symptomatic Tarlov Cysts and Occupational Outcome: A Case Report

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Occupational Diseases and Environmental Medicine 2023年第2期11卷 115-121页

作者： Belhadj Chabbah Narjes aloui asma Athimni Zeineb Nakhli Rania Bouhoula Maroua Chelly Farah Chouchane asma Kacem Imène Maoua Maher Brahem Aicha Kalboussi Houda Elmaalel Olfa Chatti Souhail Mrizek Najib Faculty of Medicine of Sousse University of Sousse Sousse Tunisia Department of Occupational Medicine University Hospital Farhat Hached Sousse Tunisia Department of Occupational Medicine University Hospital Sahloul Sousse Tunisia

Tarlov cysts are often asymptomatic and incidentally discovered. However, in few cases, these cysts can be symptomatic and may manifest as chronic low back pain. We report a case of a Tarlov cyst incidentally diagnosed by MRI in a wiring factory worker complaining of chronic low back pain exacerbated with the carrying of heavy loads and the hyper solicitation of the lumbar spine during his professional activity. The clinical manifestations of symptomatic Tarlov cysts can influence the life quality of patients and have enormous repercussions on their work ability, which in some cases can lead to job loss. Thus, the socio-professional aspects of symptomatic Tarlov cysts should not be underestimated and maintaining these patients in employment should be considered from the outset as an objective in its own right in the management.

关键词： Tarlov Cysts Neurosurgery Occupational Outcomes

Healing Humor: The Use of Humor in the Nurse-Patient Relationship

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Occupational Diseases and Environmental Medicine 2022年第3期10卷 217-231页

作者： Farah Chelly Imène Kacem Amen Moussa Amal Ghenim Imen Krifa Feriel Methamem asma Chouachane asma aloui Aicha Brahem Houda Kalboussi Olfa El Maalel Souhail Chatti Maher Maoua Sameh Bannanou Nejib Mrizak Université de Sousse Faculty of Medicine of Sousse Sousse Tunisia Department of Occupational Medicine Farhat Hached Academic Hospital Sousse Tunisia University of Sciences Arts and Techniques of Sousse Sousse Tunisia

Objective: To identify the importance of using humor in patient/nurse relationship, its factors, its conditions and the barriers that might limit its use. Methods: We systematically searched PubMed, Science Direct and Google Scholar, for relevant articles published in English between 2010 and 2019. We included the studies that investigated humor between nurses and their patient’s relationship. Results: From the initial 287 articles found, 15 were included for final revision. Data allowed retrieving information on humor definition;its applicability as a nursing intervention;humor as a tool to improve nurse-patient communication and relationship;influencing factors;humor benefits in health care context and the limits that come against its use. Conclusion: Humor is considered a powerful communication tool, it promotes well-being, relieves anxiety and stress, helps deal with stressful situations but it should be used cautiously in order to prevent undesired consequences.

关键词： Humor Patient/Nurse Relationship Communication

Occupational Allergic Contact Dermatitis in Tunisia: Epidemiology and Occupational Outcome

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Occupational Diseases and Environmental Medicine 2018年第3期6卷 107-117页

作者： asma aloui Maher Maoua Houda Kalboussi Imène Kacem Sana El Guedri Aicha Brahem Olfa El Maalel Faten Debbabi Souhaiel Chatti Néjib Mrizak Department of Occupational Medicine Faculty of Medicine of Sousse University of Sousse Farhat Hached Teaching Hospital Sousse Tunisia

Background: Occupational allergic contact dermatitis (ACD) is one of the most frequent diseases on the workplace worldwide. Its national incidence and prevalence were not previously studied in Tunisia. Objective: To assess incidence of occupational allergic contact dermatitis and its occupational outcome in Tunisia. Methods: Descriptive epidemiological study of all cases of occupational allergic contact dermatitis reported from 2002 to 2012 in Tunisia and recognized by the medical commissions of the National Health Insurance Fund. Results: 315 cases of occupational ACD were collected representing an annual incidence of 31.65 cases/100.000 workers in the private sector in Tunisia. The mean age of our population was 42.70 ± 9.02 years with a male predominance (sex ratio 3.03). The most affected sectors were the clothing sector (14.3% of cases) and the cement industry (13.7% of cases). Patch tests were positive in 188 patients (59.67%). The most frequently positive allergen was potassium dichromate in 27.3% of the cases. Overall, 25.4% of patients had lost their jobs. After multiple binary logistic regression, job loss had a statistically significant relationship with localization of lesions on the face and on dominant hand. Conclusion: Occupational ACD is frequent in Tunisia and is responsible for an important rate of job loss. Preventive measures must be reinforced, especially the wearing of protective gloves.

关键词： Epidemiology Occupational Disease Allergic Contact Dermatitis Job Loss Tunisia

Access Pricing to An Operating System Platform when Piracy Matters

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Journal of Systems Science and Systems Engineering 2020年第2期29卷 184-202页

作者： asma Brahem Khaireddine Jebsi Faculty of Management and Economic Sciences of Sousse University of SousseTunisia

This paper examines the impact of piracy on access pricing strategy of an operating system *** study the behavior of users and developers due to an increase in software protection when positive network externalities *** show that when piracy cost increases,access demands to the platform vary in the same direction and the magnitude of this variation depends on both the marginal network benefit that a developer derives and a certain threshold of piracy *** into account the behavior of these two sides when piracy matters,the monopoly platform changes its pricing *** show that,it tends to reduce or to increase access ***,we show that under certain conditions,the divide-and-conquer pricing strategy can be reversed.

关键词： Platform software developers piracy two-sided market single-homing

Process simulation and analysis of carbon capture with an aqueous mixture of ionic liquid and monoethanolamine solvent

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International Journal of Coal Science & Technology 2017年第1期4卷 25-32页

作者： Baptiste Zacchello Eni Oko Meihong Wang aloui Fethi Department of Mechanical and Energetics School ofEngineering ENSIAME 59313 Valenciennes France Department of Chemical and Biological EngineeringUniversity of Sheffield Sheffield SI 3JD UK

This study investigated the prospect of using aqueous mixture of 1-butylpyridinium tetrafluoroborate （[Bpy][BF4]） ionic liquid （IL） and monoethanolamine （MEA） as solvent in post-combustion CO2 capture （PCC） process. This is done by analysis of the process through modelling and simulation. In literature, reported PCC models with a mixture of IL and MEA solvent were developed using equilibrium-based mass transfer approach. In contrast, the model in this study is developed using rate-based mass transfer approach in Aspen Plus. From the results, the mixed aqueous solvent with 5-30 wt% IL and 30 wt% MEA showed 7%-9% and 12%-27% less specific regeneration energy and solvent circulation rate respectively compared to commonly used 30 wt% MEA solvent. It is concluded that the ｜L concentration （wt%） in the solvent blend have significant impact on specific regeneration energy and solvent circulation rate. This study is a starting point for further research on technical and economic analysis of PCC process with aqueous blend of IL and MEA as solvent.

关键词： Rate-based mass transfer Process simulation Post-combustion CO2 capture Ionic liquid (IL) Monoethanolamine (MEA)

Biological treatment of fish processing wastewater:A case study from Sfax City(Southeastern Tunisia)

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Journal of Environmental Sciences 2015年第4期27卷 102-112页

作者： Meryem Jemli Fatma Karray Firas Feki Slim Loukil Najla Mhiri Fathi aloui Sami Sayadi Laboratoire des Bioprocedes Environnementaux Pole d'Excellence Régional(PERAUF)Centre de Biotechnologie de SfaxUniversite de Sfax

The present work presents a study of the biological treatment of fish processing wastewa at salt concentration of 55 g/L. Wastewater was treated by both continuous stirred-ta reactor（CSTR） and membrane bioreactor（MBR） during 50 and 100 days, respectively. Th biological processes involved salt-tolerant bacteria from natural hypersaline environme at different organic loading rates（OLRs）. The phylogenetic analysis of the correspond excised DGGE bands has demonstrated that the taxonomic affiliation of the most domin species includes Halomonadaceae and Flavobacteriaceae families of the Proteobacteria（Gamm proteobacteria class） and the Bacteroidetes phyla, respectively. The results of MBR w better than those of CSTR in the removal of total organic carbon with efficiencies from 97 to 98.6%. Nevertheless, salinity with increasing OLR aggravates fouling that requires m cleaning for a membrane in MBR while leads to deterioration of sludge settleability a effluent quality in CSTR.

关键词： Membrane bioreactor Saline effluents Organic removal PCR-DGGE

Characterization of Some Bacteria in the Waters of Chott of Aïn El-Beida in the South of Algeria

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Open Journal of Ecology 2022年第9期12卷 604-613页

作者： Nabiha aloui Chaima Mehalli Process Engineering Laboratory Faculty of Nature and Life Sciences University Kasdi Merbah Ouargla Ouargla Algeria Faculty of Nature and Life Sciences University Kasdi Merbah Ouargla Ouargla Algeria

Hypersaline environments, represented by the chotts, the Sebkhas and the saline soils, etc., are a typical example of extreme environment harboring a particularly interesting microbial flara. In this context, the aim of this word is to try to make a characterization of the bacteria in the waters of the chott of Aïn El-Beida in the region of Ouargla (South Algeria). The water samples taken are characterized by a pH between 6.6 and 8.39, the water is neutral to alkaline water, with a temperature between 8˚C to 10˚C, and an electrical conductivity between 2.4 to 6 ds/m reflecting extremely salty water. These characteristics enabled us to select a microflora specific to this environment. The microbiological analsis of these samples revealed fifteen isolated strains, including the following species: Escherichia coli 2, Flavobacterium meningosepticum, Shigella sp, Aeromonas salmonicida, with a bacterial density that varied between 0.27 × 104 to 2.236 × 104, which may explain why the water in this ecosystem is rich in specific important microflora. The results of NaCl tolerance have revealed to us that certain isolated strains tolerate a NaCl concentration up to 35%, these are euryhaline bacteria. With regard to the antagonist test, the strains (S8) have a strong antifungal capacity, which can be explained by the fact that latter has a significant competitive power against Aspergillus carbonarius and Penicillium sp. The microbial exploration of this specific extreme ecosystem proved successful, as we were able to detect significant specific microbial diversity.

关键词： Waters Characterization Bacteria Chott South of Algeria

A 3D Source Fingerprinting-Based Localization System

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Journal of Computer and Communications 2018年第1期6卷 213-218页

作者： Nadia aloui Kosai Raoof Youssef Serrestou The Laboratoire d’Acoustique de l’Université du Mans Le Mans Université Le Mans France

In recent years, indoor localization becomes more and more essential in our daily life thanks to its interesting applications that cover all domains including security, tourism. Unfortunately, the existing outdoor localization systems fails in indoor environment, which has motivated researchers to develop new localization systems that challenge the indoor environments. In our work, we propose a 3D fingerprinting-based localization system that estimates a source position using acoustic signals. The latter has the advantage of being used in almost roaming devices. No dedicated infrastructure is necessary and the existing infrastructures can then be reused for indoor purposes. The proposed system has been evaluated in experimental tests in an area of dimensions 1.5 m * 1.5 m * 2 m when four microphones were placed at known positions and an artificial fan is turned on. Results show that turbulence affects the precision of estimating the source position by 7% for an accuracy of 8.5 cm.

关键词： 3D Sound Signals Fingerprinting Technique Source Location System Turbulence