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Effect of aortic valve replacement on ventricular recovery and functional class in patients with reduced left ventricular function

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World Journal of Cardiovascular Diseases 2013年第9期3卷 543-550页

作者： Mahdi Ait Houssa Younes Moutakiallah Abdessamad Abdou Abdedaim Hatim Mohamed Drissi Brahim Amahzoune youssef el bekkali Atif Benyass Abdelatif Boulahya Cardiac Surgery Department Mohammed V Military HospitalRabatMorocco ICU of Cardiac Surgery Department Mohammed V Military HospitalRabatMorocco Cardiology Department Mohammed V Military HospitalRabatMorocco

Objective: The aim of the study was to assess the effects of aortic valve replacement (AVR) in patients with aortic stenosis (AS) or regurgitation (AR) and left ventricular (LV) dysfunction. Patients and methods: Retrospective analysis identified 75 consecutive patients with left ventricular ejection fraction (LVEF) assessed by echocardiography ely 56.5 ± 9.3 and 47.9 ± 11.7 years in AS and AR groups, p = 0.001. Before surgery, 88% and 75% of patients were in NYHA III-IV respectively in AS and AR. In the AS group, the mean LVEF and aortic valve area (AVA) were respectively 32.2% ± 8% and 0.65 ± 0.15 cm2. AR group had a mean LVEF of 33.8 ± 6.7% and a mean LV systolic diameter of 62 ± 8.8 mm. All patients underwent AVR under cardiopulmonary bypass. There were 5 operative deaths (12.5%) in AS group and 6 (17.6%) in AR group, p = 0.57. LVEF increased to 49% ± 14.7% and 51.2% ± 10.9% in the AS and AR groups after echocardiography control. The survival rates at 1, 5 and 10 years were respectively 94.4%, 87% and 80% in AS group and 95.2%, 93% and 89% in AR group. Conclusion: Despite higher perioperative mortality in patients with aortic valve disease (AS or AR) and LV dysfunction, long-term outcome is excellent. We, therefore, conclude that AVR can be performed and it should not be denied to patients on the basis of low EF alone.

关键词： Aortic Valve Disease Aortic Valve Replacement Left Ventricular Dysfunction

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Surgery in the Acute Phase of Infective Endocarditis: 5 Years after Our Initial Experience

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World Journal of Cardiovascular Diseases 2016年第8期6卷 275-284页

作者： youssef el bekkali Noureddine Atmani Siham Bellouize Mohamed Drissi Younes Moutakiallah Mehdi Bamous Abdessamad Abdou Fouad Nya Anis Seghrouchni Mahdi Aithoussa Brahim Amahzoune Abdedaim Hatim Ghadbane Abdelatif Boulahya Cardiac Surgery Department Mohammed V Military Hospital Rabat Morocco Reanimation of Cardiac Surgery Department Mohamed V Medical Faculty Rabat Morocco

Aim: Comparing the results of acute phase infectious endocarditis surgery between two periods. Methods and Results: The study is about 2 series, series A between 1993 and 1997, and series B between 1998 and 2012, respectively 13 and 51 patients. The two periods were similar concerning the number of patients per year, which was 3.12 cases/year for series A and 3.64 cases/year for series B. The authors noted a change in epidemiological profile, with an increase of median age (31 y.o for series A and 37 y.o for series B), and the emergency of endocarditis on prosthetic valve (none on series A and 8 cases for series B). Surgical indications and results didn’t change too much, hospital mortality rate was 15.3% for series A and 17.6% for series B. Conclusion: Infectious endocarditis is still a major public healthcare problem in developing countries, despite the development of diagnostic tools and patient care. Prevention is still the major asset in the treatment of this disease.

关键词： Infectious Endocarditis Acute Phase Surgery

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Application of Internet of Things in the Health Sector:Toward Minimizing Energy Consumption

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Big Data Mining and Analytics 2022年第4期5卷 302-308页

作者： Mohammed Moutaib Tarik Ahajjam Mohammed Fattah Yousef Farhaoui Badraddine Aghoutane Moulhime el bekkali IMAGE Laboratory Moulay Ismail UniversityMeknes 50000Morocco Department of Computer Science Faculty of Sciences and TechniquesMoulay Ismail UniversityErrachidia 52000Morocco IA Laboratory Faculty of ScienceMoulay Ismail UniversityMeknes 50000Morocco Sidi Mohamed Ben Abdellah University Fes 30000Morocco

The Internet of Things(IoT)is currently reflected in the increase in the number of connected objects,that is,devices with their own identity and computing and communication *** is recognized as one of the most critical areas for future technologies,gaining worldwide *** applies to many areas,where it has achieved success,such as healthcare,where a patient is monitored using nodes and lightweight ***,the powerful functions of IoT in the medical field are based on communication,analysis,processing,and management of data autonomously without any manual intervention,which presents many difficulties,such as energy ***,these issues significantly slow down the development and rapid deployment of this *** main causes of wasted energy from connected objects include collisions that occur when two or more nodes send data simultaneously and the leading cause of data retransmission that occurs when a collision occurs or when data are not received correctly due to channel *** distance between nodes is one of the factors influencing energy *** this article,we have proposed direct communication between nodes to avoid collision domains,which will help reduce data *** results show that the distribution can ensure the performance of the system under general conditions compared to the centralization and to the existing works.

关键词： Internet of Things(IoT) energy consumption cloud computing data storage

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Enhancing resource allocation in edge and fog-cloud computing with genetic algorithm and particle swarm optimization

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Intelligent and Converged Networks 2023年第4期4卷 273-279页

作者： Saad-Eddine Chafi Younes Balboul Mohammed Fattah Said Mazer Moulhime el bekkali the Laboratory of Artificial Intelligence Data Sciences and Emerging SystemsNational School of Applied SciencesSidi Mohamed Ben Abdellah UniversityFez 30000Morocco the LIA Laboratory Moulay Ismail UniversityMeknes 50050Morocco

Evolutionary algorithms have gained significant attention from researchers as effective solutions for various optimization *** Algorithm(GA)is widely popular due to its logical approach,broad applicability,and ability to tackle complex issues encountered in engineering ***,GA is known for its high implementation cost and typically requires a large number of *** the other hand,Particle Swarm Optimization(PSO)is a relatively new heuristic technique inspired by the collective behaviors of real *** GA and PSO algorithms are prominent heuristic optimization methods that belong to the population-based approaches *** they are often seen as competitors,their efficiency heavily relies on the parameter values chosen and the specific optimization problem at *** this study,we aim to compare the runtime performance of GA and PSO algorithms within a cutting-edge edge and fog cloud *** extensive experiments and performance evaluations,the authors demonstrate the effectiveness of GA and PSO algorithms in improving resource allocation in edge and fog cloud computing scenarios using FogWorkflowSim *** comparative analysis sheds light on the strengths and limitations of each algorithm,providing valuable insights for researchers and practitioners in the field.

关键词： particle swarm optimization genetic algorithm performance evaluation edge and fog cloud FogWorkflowSim

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Knowledge, Attitudes and Perception of Moroccan Women about Breast Cancer

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Journal of Health Science 2016年第6期4卷 290-296页

作者： Nadia Benaicha Hafida Charaka Ousmane Desire Samira elfakir Nabil Tachfouti Mohamed Berraho youssef Chami Khazraji Loubna Abousselham Latifa Belakhel Rachid bekkali Chakib Nejjari Department of Epidemiology and Clinical Research Faculty of Medicine Fez Morocco Foundation Lalla Salma Prevention and Treatment of Cancers Rabat Morocco Direction of Population Ministry of Health Rabat Morocco Direction of Epidemiology and Fight against Diseases (DelM) Ministry of Health Rabat Morocco

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Redo Cardiac Surgery: Bleeding Control

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World Journal of Cardiovascular Diseases 2017年第9期7卷 299-307页

作者： A. Seghrouchni M. Bamous Y. Moutakiallah F. Nya N. Atmani A. Abdou M. Belkhadir S. Bellouize A. Abetti R. Mounir A. Moujahid A. G. Hatim M. Drissi Y. el bekkali A. Boulahya M. Ait. Houssa Cardiac Surgery Department Mohammed V Military Hospital Mohammed V University Rabat Morocco

Redo cardiac surgery increases?mortality and morbidity. The aim of this study was to determine if aprotinin was superior to tranexamic acid concerning control bleeding loss after redo valve surgery. A retrospective study was conducted from January 1994 until December 2014. 221 patients underwent redo cardiac valve surgery and separated into two groups: aprotinin group (n?=?85) and tranexamic acid group (n?=?136). Univariate tests were applied for data analysis. A total of 221 patients were enrolled in this study. This cohort was separated into two groups: aprotinin group (n?=?85) and tranexamic acid group (n?=?136). Euroscore in tranexamic acid group was higher: 5.96 ± 3.04 vs.?5.17 ± 2.83 in aprotinin group?(p?=?0.055). There was no statistical difference in postoperative mortality between the two groups (p?= 0.153). No statistical differences were reported concerning: total blood loss (p?= 0.51), red blood cells transfusion (p?= 0.215), reexploration for bleeding (p?= 0.537) and postoperative renal failure (p?= 0.79). There were statistical differences concerning mechanical ventilation time, which is longer in tranexamic acid group (p?= 0.008) and the use of inotropic drug support, which is more frequent in the tranexamic acid group (p?= 0.001). Our results demonstrated that tranexamic acid and aprotinin reduce transfusion requirement and blood loss. Due to financial reason, we chose tranexamic acid in preventing blood loss in redo valve surgery.

关键词： Cardiac Surgery Aprotinin Tranexamic Acid Cardiopulmonary Bypass

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