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Management of Spontaneous Superficial Intracerebral Hematomas

Open Journal of Modern Neurosurgery 2020年第2期10卷 208-221页

作者： Mohamed Mahmoud ahmad elsayed abokresha Department of Neurosurgery Assiut University Hospital Assiut Egypt

Background: Treatment of primary spontaneous superficial intracerebral hemorrhage (SSICH) is still controversial. The aim of this study is to investigate the effectiveness of craniotomy and early hematoma evacuation vs conservative (non operative) management in patients with SSICH. Methods: A prospective study of craniotomy and early hematoma removal vs. medical management was performed in 20 patients with cortical and subcortical (superficial) primary SSICH admitted to Assiut university hospital in one year period (March 2016-March 2017). Surgical or medical treatment was initiated immediately when patients admitted to hospital. We divided the patients into two groups according to type of treatment. Results: Age of the patients ranged from 2 months to 73 years (mean: 45.84 ± 23.28 years) among the 20 patients studied;13 (65%) were males and 7 (35%) were females. Glasgow coma scale (GCS) at admission was less than 8 in 25%, between 8 - 12 in 45% and 15 in 30% of the patients. Arterial hypertension was the most common associated medical disease (65%). Eleven of patients (55%) had ventricular extension. GCS at admission was the strongest factor affecting outcomes and determined the type of treatment. All patients with a GCS ≤ 8 (5 cases (25%) were died regardless the type of treatment and there was no significant statistical difference in this group in relation to type of treatment p-value (0.606). We had 6 cases (30%) with a GCS 15;all of them were treated conservatively and all of them survived with significant p-value (0.003). Nine patients (45%) had GCS 8 - 12;two of them were treated conservatively and died while the remaining seven patients were treated surgically;five of them survived with significant p-value (0.025). No significant statistical difference was found in the outcome between the surgical and the conservative group regarding having associated intracranial hemorrhage. Conclusions: After analyzing the results, we found that when the GCS is “8 - 12”, s

关键词： Craniotomy Intracerebral Hemorrhage Medical Management Outcome Surgical Treatment

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Postoperative Use of Dopamine Agonist in Controlling the Residual Mass in Non Functioning Pituitary Adenoma

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Open Journal of Modern Neurosurgery 2020年第2期10卷 267-274页

作者： Mohamed Mahmoud ahmad A. Moussa ahmad elsayed abokresha Hazem A. Yousef Department of Neurosurgery Assiut University Hospital Assiut Egypt Department of Neurosurgery Queen Elizabeth Hospital Birmingham UK Department of Radiology Assiut University Hospital Assiut Egypt

Background: Non-functioning pituitary adenoma (NFPA) is a challenging tumor. It is usually reached to a large size before it is clinically manifested. Operative interference is the first option in treatment of large NFPA causing compressive manifestations but with frequent postoperative residual masses that is usually required additional treatment. Postoperative radiotherapy carried frequent side effects which open the door for postoperative medical treatment with dopamine agonist (DA) drugs based on the fact that these tumors have a variable amount of dopamine receptors. Lack of randomized, placebo-controlled trials prevents any conclusion on the efficacy of this drug. Its role in controlling postoperative proliferation and decreasing the rate of recurrence of NFPA is still questionable. Objective: Efficacy of bromocriptine (dopamine agonist (DA) drug) in reducing or preventing the re-growth of non-functioning pituitary adenoma NFPA after surgery. Methods: In this study, we examined the outcome of treating NFPA after surgery, with bromocriptine (dopamine agonists drug). This study was a retrospective review of consecutive patients that were treated by the authors at Assiut University Hospital between 2012-2018. All patients had postoperative Bromocriptine in a dose of 2.5 mg twice daily. Results: Thirty two patients were included in this study after they had surgery for NFPA. All patients had a residual mass documented by the immediate post operative MRI. After 6 months of postoperative bromocriptine treatment, and with comparing to immediate post operative images, eleven patients (34%) had mass reduction, thirteen patients (41%) of their residual masses remained unchanged and eight patients (25%) of the mass showed slight increase in size but not required re-surgery. After two years and throughout the follow up period, seven patients (22%) (all were males) had complete disappearance of the mass;ten patients (31%) had more reduction of the size of the mass (two of

关键词： Dopamine Agonists (DA) Non-Functioning Pituitary Adenoma (NFPA)

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Performance Evaluation of Virtualization Methodologies to Facilitate NFV Deployment

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Computers, Materials & Continua 2023年第4期75卷 311-329页

作者： Sumbal Zahoor Ishtiaq ahmad Ateeq Ur Rehman elsayed Tag Eldin Nivin AGhamry Muhammad Shafiq Department of Electrical Engineering The University of LahoreLahore54000Pakistan Department of Electrical Engineering Government College UniversityLahore54000Pakistan Faculty of Engineering and Technology Future University in EgyptNew Cairo11835Egypt Faculty of Computers and Artificial Intelligence Cairo UniversityGiza3750010Egypt Department of Information and Communication Engineering Yeungnam UniversityGyeongsan38541Korea

The development of the Next-Generation Wireless Network(NGWN)is becoming a *** conduct specialized processes more,rapid network deployment has become *** like Network Function Virtualization(NFV),Software-Defined Networks(SDN),and cloud computing will be crucial in addressing various challenges that 5G networks will face,particularly adaptability,scalability,and *** motivation behind this work is to confirm the function of virtualization and the capabilities offered by various virtualization platforms,including hypervisors,clouds,and containers,which will serve as a guide to dealing with the stimulating environment of *** is particularly crucial when implementing network operations at the edge of 5G networks,where limited resources and prompt user responses are *** results prove that containers outperform hypervisor-based virtualized infrastructure and cloud platforms’latency and network throughput at the expense of higher virtualized processor *** contrast to public clouds,where a set of rules is created to allow only the appropriate traffic,security is still a problem with containers.

关键词： NFV hypervisors cloud computing containers

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Efficacy of Single Burr Hole in Management of Chronic Subdural Hematoma

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Open Journal of Modern Neurosurgery 2020年第1期10卷 81-87页

作者： Ahmed M. Elshanawany Ahmed elsayed abokresha Mohamed Mahmoud Neurosurgery Department Faculty of Medicine Assiut University Assiut Egypt

Background: Surgery of chronic subdural hematoma (CSDH) is a common practice of neurosurgeons. CSDH is considered a pathology of the elderly and usually many co-morbidities are present. CSDH carries high risk of mortality if not treated or not treated well. So, the minimal, safe and adequate surgical intervention is the bases to choose specific surgical maneuver. Aim of the Study: The efficacy of a single burr in evacuation and treatment of chronic subdural hematoma. Methods: This study was held in Assiut university hospitals, neurosurgical department. It is a prospective randomized controlled study. 113 patients were enrolled in this study in the period between March 2018 and June 2019. We included all cases of chronic subdural hematoma (CSDH) and subacute subdural hematoma that were evacuated with single burr hole. Hematomas either, unilateral or bilateral were included. Septated hematomas were excluded. Patients’ clinical characteristics as age, sex, clinical presentation, co-morbidities and patients outcome were recorded. Postoperative status as regards improvement of the neurological status, complications and recurrence of hematoma were recorded. Results: We had 113 patients operated via properly situated single burr hole in our study. 113 patients were included in this study, 79 males (69.9%) and 34 females (30.1%). Age of the patients ranges between 27 years old and 90 years old. Postoperative follow up was evaluated according to Glasgow outcome score (GOS). We had 98 patients with good recovery, 4 patients with moderate disability, 6 patients with severe disability and 5 patients died. Complications were in form of 3 patients with residual hematoma, 2 patients with tension pneumocephalus, 7 patients developed postoperative seizure, 5 cases developed cortical/parenchymal hematoma and 9 cases developed hematoma recurrence. Conclusion: Single, properly situated burr hole with previously described characters is an effective treatment option in cases of CSDH. It

关键词： Chronic Subdural Hematoma Single Burr Hole Evacuation Complications

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Dynamics of a Rational Difference Equation

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Chinese Annals of Mathematics,Series B 2009年第2期30卷 187-198页

作者： Elmetwally M. ELABBASY elsayed M. elsayed Department of Mathematics Faculty of Science Mansoura University

The authors investigate the global behavior of the solutions of the difference equation xn＋1=axn-1xn-k/bxn-p＋cxn-q,n=0,1,…where the initial conditions x-r, x-r＋1, x-r＋2,… , x0 are arbitrary positive real numbers, r = max{l, k,p, q） is a nonnegative integer and a, b, c are positive constants. Some special cases of this equation are also studied in this paper.

关键词： Stability Periodic solutions Difference equations

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Interplay between strong Allee effect, harvesting and hydra effect of a single population discrete-time system

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International Journal of Biomathematics 2016年第1期9卷 65-89页

作者： Debaldev Jana elsayed M. elsayed Ecological Modelling LaboratoryDepartment of Zoology Visva-Bharati University Santiniketan 731235 India Mathematics DepartmentFaculty of Science King Abdulaziz UniversityP. O. Box 80203 Jeddah 21589 Saudi Arabia Department of MathematicsFaculty of Science Mansoura University Mansoura 35516 Egypt

The dynamics of a single population with non-overlapping generations can be described deterministically by a scalar difference equation in this study. A discrete-time Beverton- Holt stock recruitment model with Allee effect, harvesting and hydra effect is proposed and studied. Model with strong Allee effect results from incorporating mate limitation in the Beverton-Holt model. We show that these simple models exhibit some interesting （and sometimes unexpected） phenomena such as the hydra effect, sudden collapses and essential extinction. Along with this, harvesting is a socio-economie issue to continue any system generation after generation. Different dynamical behaviors for these situations have been illustrated numerically also. The biological implications of our analytical and numerical findings are discussed critically.

关键词： Beverton-Holt model hydra effect harvesting Allee effect.

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Fermentation, formulation and evaluation of PGPR Bacillus subtilis isolate as a bioagent for reducing occurrence of peanut soil-borne diseases

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Journal of Integrative Agriculture 2019年第9期18卷 2080-2092页

作者： Abdel-Gayed M.ahmad Abo-Zaid G.Attia Matar S.Mohamed Hafez E.elsayed Onion Garlic and Oil Crops Research DepartmentPlant Pathology Research InstituteAgricultural Research CenterGiza 12619Egypt Bioprocess Development Department Genetic Engineering and Biotechnology Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt Chemical Engineering Department Faculty of EngineeringJazan UniversityJazan 45142Saudi Arabia Plant Protection and Biomolecular Diagnosis Department Arid Lands Cultivation Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt

Four isolates of Bacillus subtilis coded,B4,B7,B8 and B10 were examined as biocontrol agents for their abilities and antagonistic effect on the in vitro growth of certain phytopathogenic fungi of peanut,Rhizoctonia solani and Sclerotium *** subtilis isolate B4(GenBank accession ***150884)was the highly effective one for inhibiting the fungal mycelial *** fermentation of *** isolate B4 was carried out and the maximum biomass achieved was 4.53 g L-1 at 11 *** subtilis isolate B4 was formulated and evaluated as a biofungicide to reduce peanut soil-borne diseases under greenhouse and field conditions at the side of Rizolex-T(fungicide)as *** by formulated plant growth-promoting rhizobacteria(PGPR)*** B4 and Rizolex-T in a soil infested with ***,*** and mixture of them were more effective in decreasing percentage of damping-off,root and pod rot disease incidence(%)in greenhouse and open field environment during the two seasons 2015 and *** by PGPR gave highly dry weight and number of healthy pods compared to control of fungi treatment which was nearby to dry weights of healthy pods achieved by treatments by Rizolex-T in a soil infested with ***,*** and mixture of *** PGPR *** B4 gave higher increasing of yield percentage than treatment by Rizolex-T in the two evaluated seasons 2015 and *** can conclude that the produced bioforumlated agent was more efficient as fungicide when compared with the other chemical synthesized fungicides,safe for human and the environment and economy.

关键词： peanut soil-borne diseases Bacillus subtilis biocontrol fermentation formulation

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Blockchain and IIoT Enabled Solution for Social Distancing and Isolation Management to Prevent Pandemics

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Computers, Materials & Continua 2023年第7期76卷 687-709页

作者： Muhammad Saad Maaz Bin ahmad Muhammad Asif Muhammad Khalid Khan Toqeer Mahmood elsayed Tag Eldin Hala Abdel Hameed College of Computing and Information Sciences Karachi Institute of Economics&TechnologyKarachiPakistan Department of Computer Science Lahore Garrison UniversityLahorePakistan Department of Computer Science National Textile UniversityFaisalabad37610Pakistan Faculty of Engineering and Technology Future University in Egypt New Cairo11835Egypt Faculty of Computer and Information Systems Fayoum UniversityFaiyumEgypt Khaybar Applied College Taibah UniversityMedinaSaudi Arabia

Pandemics have always been a nightmare for humanity,especially in developing *** lockdowns are considered one of the effective ways to deal with spreading such ***,developing countries cannot afford such solutions because these may severely damage the country’s ***,this study presents the proactive technological mechanisms for business organizations to run their standard business processes during pandemic-like situations *** novelty of this study is to provide a state-of-the-art solution to prevent pandemics using industrial internet of things(IIoT)and blockchain-enabled *** to existing studies,the immutable and tamper-proof contact tracing and quarantine management solution is *** use of advanced technologies and information security is a critical area for practitioners in the internet of things(IoT)and corresponding ***,this study also emphasizes information security,end-to-end solution,and experimental ***,a wearable wristband is proposed,incorporating 4G-enabled ultra-wideband(UWB)technology for smart contact tracing mechanisms in industries to comply with standard operating procedures outlined by the world health organization(WHO).Secondly,distributed ledger technology(DLT)omits the centralized dependency for transmitting contact tracing ***,a privacy-preserving tracing mechanism is discussed using a public/private key cryptography-based authentication ***,based on geofencing techniques,blockchain-enabled machine-to-machine(M2M)technology is proposed for quarantine *** step-by-step methodology and test results are proposed to ensure contact tracing and quarantine *** existing research studies,the security aspect is also considered in the realm of *** practical implementation of the proposed solution also obtains the *** results indicate the successful implementation of blockchain-enabled contac

关键词： Blockchain contact tracing distributed ledger technology geo-fencing internet of things industrial internet of things isolation management social distancing ultra-wideband

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Deep Learning ResNet101 Deep Features of Portable Chest X-Ray Accurately Classify COVID-19 Lung Infection

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Computers, Materials & Continua 2023年第6期75卷 5213-5228页

作者： Sobia Nawaz Sidra Rasheed Wania Sami Lal Hussain Amjad Aldweesh elsayed Tag eldin Umair ahmad Salaria Mohammad Shahbaz Khan Basic Health Unit Sumra Lodhran59320Pakistan Basic Health Unit 20-G ChishtianBahawalnagar62300Pakistan Doctor’s Hospital Lahore54590Pakistan Department of Computer Science&IT Neelum CampusThe University of Azad Jammu and KashmirAthmuqam13230Azad KashmirPakistan Department of Computer Science&IT King Abdullah CampusThe University of Azad Jammu and KashmirMuzaffarabad13100Azad KashmirPakistan College of Computer science and information technology Shaqra UniversityShaqra15273Saudi Arabia Faculty of Engineering and Technology Future University in EgyptNew Cairo11835Egypt Department of Electrical Engineering University of Azad Jammu and KashmirChehla CampusMuzaffarabad13100Azad KashmirPakistan Department of Electrical Engineering Mirpur University of Science&TechnologyMirpurMuzaffarabad10250Azad KashmirPakistan Children’s National Hospital 111 Michigan AVE NWWashingtonDC20854USA

This study is designed to develop Artificial Intelligence(AI)based analysis tool that could accurately detect COVID-19 lung infections based on portable chest x-rays(CXRs).The frontline physicians and radiologists suffer from grand challenges for COVID-19 pandemic due to the suboptimal image quality and the large volume of *** this study,AI-based analysis tools were developed that can precisely classify COVID-19 lung *** available datasets of COVID-19(N=1525),non-COVID-19 normal(N=1525),viral pneumonia(N=1342)and bacterial pneumonia(N=2521)from the Italian Society of Medical and Interventional Radiology(SIRM),Radiopaedia,The Cancer Imaging Archive(TCIA)and Kaggle repositories were taken.A multi-approach utilizing deep learning ResNet101 with and without hyperparameters optimization was ***,the fea-tures extracted from the average pooling layer of ResNet101 were used as input to machine learning(ML)algorithms,which twice trained the learning *** ResNet101 with optimized parameters yielded improved performance to default *** extracted features from ResNet101 are fed to the k-nearest neighbor(KNN)and support vector machine(SVM)yielded the highest 3-class classification performance of 99.86%and 99.46%,*** results indicate that the proposed approach can be bet-ter utilized for improving the accuracy and diagnostic efficiency of *** proposed deep learning model has the potential to improve further the efficiency of the healthcare systems for proper diagnosis and prognosis of COVID-19 lung infection.

关键词： COVID-19 deep learning(DL) lung infection convolutional neural network(CNN)

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Variation in metabolic enzymatic activity in white muscle and liver of blue tilapia,Oreochromis aureus,in response to long-term thermal acclimatization

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Chinese Journal of Oceanology and Limnology 2015年第3期33卷 696-704页

作者： elsayed M.YOUNIS Zoology Department College of Science King Saud University

The effects of rearing temperature on white muscle and hepatic phosphofructokinase （PFK）, pyruvate kinase （PK）, lactate dehydrogenase （LDH）, aspartate aminotransferase （AST） and alanine aminotransferase （ALT） were examined in fingerlings of blue tilapia, Oreochromis aureus. The experiment was conducted for 14 weeks at temperatures of 18, 22, 26, 30, and 34℃. The activity of the glycolytic enzymes PFK, PK, and LDH in white muscle increased significantly with increase in water temperature. A reverse trend was observed for these enzymes in the liver, except for LDH, which behaved in the same manner as in white muscle. Cytosolic AST and ALT activity increased in both white muscle and liver in response to warm thermal acclimatization, while a reduction in mitochondrial AST and ALT activity was noticed at high temperatures in comparison with those at a lower temperature.

关键词： Nile tilapia thermal acclimatization metabolism enzymes

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