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The Role of Electrocardiogram DETERMINE Score in Prediction of Coronary Artery Disease Severity

World Journal of Cardiovascular Diseases 2024年第9期14卷 567-580页

作者： Ismail N. El-Sokkary Essam Ahmed Khalil Mohammed Wael Badawi Ibrahim K. Gamil Shousha Abdalla A. Elsebaey mohamed kamal rehan Mahmoud Ibrahim Elshamy Yasser Ahmed Sadek Department of Cardiovascular & Thoracic Surgery Faculty of Medicine Al-Azhar University Cairo Egypt Department of Cardiology Al-Azhar University Cairo Egypt Department of Internal Medicine Beni-Sueif University Beni Suef Egypt Department of Radiology Al-Azhar University Cairo Egypt Department of Cardiology Helwan University Cairo Egypt

Background: A major cause of mortality and disability on a global scale is myocardial infarction (MI). These days, the most reliable way to detect and measure MI is via cardiovascular magnetic resonance imaging (CMR). Aims and Objectives: To evaluate the effectiveness of the Electrocardiogram DETERMINE Score in predicting the severity of coronary artery disease (CAD) in patients who have experienced an Acute Myocardial Infarction (AMI) & to assess improvements in left ventricular function at 6 months following coronary artery bypass grafting (CABG). Subjects and Methods: This Observational cohort study was done at the Cardiology and Radiology department and cardiac surgery department, Al-Azhar university hospitals and Helwan University hospital. The study involved 700 cases who patients diagnosed with Acute Myocardial Infarction and fulfilled specific criteria for selection. Result: There was highly statistically significant relation between Myocardial infarction size and ECG Marker Score as mean infarct size elevated When the number of ECG markers increased. There was a highly statistically significant relation between myocardial infarct segments, myocardial infarction size and improvement of cardiac function 6 months post-CABG. Conclusion: The study found that larger myocardial infarctions corresponded with higher DETERMINE Scores. It concluded that an ECG-based score better estimates infarct size than LVEF alone. Additionally, there was a significant statistical correlation between the size and segmentation of myocardial infarction and better cardiac function six months after CABG.

关键词： Electrocardiogram DETERMINE Score Coronary Artery Disease Outcome Acute Myocardial Infarction Coronary Artery Bypass Grafting

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Assessment of plant diversity of endemic species of the Saharo-Arabian region in Egypt

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Journal of Arid Land 2024年第7期16卷 1000-1021,I0002-I0044页

作者： Asmaa S ABO HATAB Yassin M AL-SODANY kamal H SHALTOUT Soliman A HAROUN mohamed M EL-KHALAFY Botany and Microbiology Department Faculty of ScienceKafrelsheikh UniversityKafrelsheikh 33511Egypt Botany Department Faculty of ScienceTanta UniversityTanta 31527Egypt

Savanna, semi-deserts, and hot deserts characterize the Saharo-Arabian region, which includes Morocco, Mauretania, Algeria, Tunisia, Libya, Egypt, Palestine, Kuwait, Saudi Arabia, Qatar, Bahrain, the United Arab Emirates, Oman, Yemen, southern Jordan, Syria, Iraq, Iran, Afghanistan, Pakistan, and northern India. Its neighboring regions, the Sudano-Zambezian region belonging to the Paleotropical Kingdom and the Mediterranean and Irano-Turanian regions included in the Holarctic Kingdom, share a large portion of their flora with the Saharo-Arabian region. Despite the widespread acknowledgment of the region's global importance for plant diversity, an up to date list of the Saharo-Arabian endemics is still unavailable. The available data are frequently insufficient or out of date at both the whole global and the national scales. Therefore, the present study aims at screening and verifying the Saharo-Arabian endemic plants and determining the phytogeographical distribution of these taxa in the Egyptian flora. Hence, a preliminary list of 429 Saharo-Arabian endemic plants in Egypt was compiled from the available literature. Indeed, by excluding the species that were recorded in any countries or regions outside the Saharo-Arabian region based on different literature, database reviews, and websites, the present study has reduced this number to 126 taxa belonging to 87 genera and 37 families. Regarding the national geographic distribution, South Sinai is the richest region with 83 endemic species compared with other eight phytogeographic regions in Egypt, followed by the Isthmic Desert(the middle of Sinai Peninsula, 53 taxa). Sahara regional subzone(SS1) distributes all the 126 endemic species, Arabian regional subzone(SS2) owns 79 taxa, and Nubo-Sindian subzone(SS3) distributes only 14 endemics. Seven groups were recognized at the fourth level of classification as a result of the application of the two-way indicator species analysis(TWINSPAN) to the Saharo-Arabian endemic sp

关键词： endemism phytogeographical regions Saharo-Arabian floristic region Egyptian flora plant diversity two-way indicator species analysis(TWINSPAN)

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Gastrointestinal tolerability of organic infant formula compared to traditional infant formula: A systematic review

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World Journal of Clinical Pediatrics 2024年第1期13卷 125-140页

作者： Mohammed Al-Beltagi Nermin kamal Saeed Adel Salah Bediwy Reem Elbeltagi mohamed Basiony Hamza Department of Pediatric Faculty of MedicineTanta UniversityTanta 31511AlghrabiaEgypt Department of Pediatric University Medical CenterKing Abdulla Medical CityArabian Gulf UniversityDr.Sulaiman Al Habib Medical GroupManama 26671ManamaBahrain Medical Microbiology Section Department of PathologySalmaniya Medical ComplexMinistry of HealthKingdom of BahrainManama 12ManamaBahrain Medical Microbiology Section Department of PathologyIrish Royal College of SurgeonBusaiteen 15503MuharraqBahrain Department of Pulmonology Faculty of MedicineTanta UniversityTanta 31527AlghrabiaEgypt Department of Pulmonology University Medical CenterKing Abdulla Medical CityArabian Gulf UniversityDr.Sulaiman Al Habib Medical GroupManama 26671ManamaBahrain Department of Medicine The Royal College of Surgeons in Ireland-BahrainBusiateen 15503MuharraqBahrain Department of Pediatric Faculty of MedicineTanta UniversityTanta 31511AlgahrbiaEgypt

BACKGROUND Infants'nutrition significantly influences their growth,development,and overall *** the increasing demand for organic infant formula driven by the perception of health benefits and growing awareness of natural feeding options,it is crucial to conduct a comparative analysis of the gastrointestinal tolerability between organic and traditional infant *** To provide a concise and precise analysis of the gastrointestinal tolerability of organic infant formula compared to traditional infant *** to limited direct comparisons,the review synthesizes available literature on each formula type,presenting insights into their potential effects on infants'digestive *** An extensive literature search was conducted,compiling studies on organic and traditional infant formulas,their compositions,and reported effects on gastrointestinal *** searched academic databases such as PubMed and Google Scholar and specialized nutrition,paediatrics,and infant health journals using relevant keywords till October 1,*** Although specific comparative studies are scarce and formula heterogeneity is a significant limitation,this systematic review provides an in-depth understanding of organic infant formulas'composition and potential *** scientific evidence directly comparing gastrointestinal tolerability is limited,organic formulas strive to use carefully selected organic ingredients to imitate breast milk *** benefits include improved lipid profiles,higher methionine content,and decreased antibiotic-resistant bacteria *** the gastrointestinal tolerability of organic and traditional infant formulas is crucial for parents and healthcare providers to make informed *** Despite limitations in direct comparisons,this systematic review provides insights into the composition and potential benefits of organic infant *** emphasizes the need for further research to eluci

关键词： Organic infant formula Traditional infant formula Gastrointestinal tolerability Formula ingredients Digestive health Infant nutrition Organic farming

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Enhanced recovery after surgery:Progress in adapted pathways for implementation in standard and emerging surgical settings

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World Journal of Clinical Cases 2024年第25期12卷 5636-5641页

作者： mohamed Wishahi Nabawya M kamal mohamed Saied Hedaya Department of Urology Theodor Bilharz Research InstituteCairo 12411Egypt Department of Anaesthesia and Surgical Intensive Care Theodor Bilharz Research InstituteCairo 12411Egypt Department of Surgery Theodore Bilharz Research InstituteCairo 12411Egypt

The concept of enhanced recovery after surgery(ERAS)has been practiced for decades and has been implemented in numerous surgical *** is a global surgical quality improvement initiative,and it is an element in the field of perioperative *** had shown significant clinical outcomes,patientreported satisfaction,and improvements in medical service *** has been developed for specific surgical procedures,but with the fast progress of newly introduced surgical procedures,the original ERAS have been developed and *** appearing Topics and future research trends encompass ERAS protocols for other types of surgery and the enhancement of perioperative status,including but not limited to pediatric surgery,laparoscopic and robotic assisted surgery,bariatric surgery,thoracic surgery,and renal *** elements and pathways of ERAS have been developed with the introduction of up-to-date methodologies in the pre-operative,operative,and post-operative *** costs are higher than traditional care,but the patient’s clinical outcome and satisfaction are *** is in progress in the fields of anesthetic tasks,pediatric surgery,and organ *** ERAS has shown significant clinical outcomes,there are needs to modify the protocol for specific cases,hospital facilities,resources,and nurses training on elements of *** challenges and limitations exist in the implementation of ERAS that deserve consideration,it includes:Frailty,maximizing nutrition,prehabilitation,treating preoperative anemia,and enhancing ERAS adoption globally are all included.

关键词： Enhanced recovery after surgery Anesthesia Nurses Elderly Bowel preparation ERAS Perioperative nutrition Major&ambulatory surgery

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Why do thoracic epidurals fail?A literature review on thoracic epidural failure and catheter confirmation

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World Journal of Critical Care Medicine 2024年第3期13卷 11-16页

作者： kamal Kumar Fuhazia Horner mohamed Aly Gopakumar S Nair Cheng Lin Department of Anesthesia and Perioperative Medicine Schulich School of MedicineWestern UniversityLondon N6A 5W9ONCanada Department of London Health Sciences Victoria HospitalLondon N6A 5W9ONCanada Schulich School of Medicine and Dentistry Western UniversityLondon N6A5W9ONCanada

Thoracic epidural anesthesia(TEA)has been the gold standard of perioperative analgesia in various abdominal and thoracic ***,misplaced or displaced catheters,along with other factors such as technical challenges,equipment failure,and anatomic variation,lead to a high incidence of unsatisfactory *** article aims to assess the different sources of TEA failure and strategies to validate the location of thoracic epidural catheters.A literature search of PubMed,Medline,Science Direct,and Google Scholar was *** search results were limited to randomized controlled *** suggests techniques such as electrophysiological stimulation,epidural waveform monitoring,and x-ray epidurography for identifying thoracic epidural placement,but there is no one particular superior confirmation method;clinicians are advised to select techniques that are practical and suitable for their patients and practice environment to maximize success.

关键词： Thoracic epidural Failure rate Placement Electrophysiological stimulation Epidural waveform monitoring X-ray epidurography

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Anti-wear properties evaluation of frictional sliding interfaces in automobile engines lubricated by copper/graphene nanolubricants

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Friction 2020年第5期8卷 905-916页

作者： mohamed kamal Ahmed ALI Xianjun HOU mohamed AAABDELKAREEM Hubei Key Laboratory of Advanced Technology for Automotive Components Wuhan University of TechnologyWuhan 430070China Automotive and Tractors Engineering Department Faculty of EngineeringMinia UniversityEl-Minia 61111Egypt Hubei Collaborative Innovation Center for Automotive Components Technology Wuhan 430070China

Owing to the significance of improving fuel economy, reducing emissions, and extending the durability of engine components, this study focused on the tribological performance of nano-additives. In this study, copper (Cu) and graphene (Gr) nanomaterials were dispersed in a fully formulated engine oil (5W-30) with different concentrations. The tribological trials were investigated under various speeds and loads, utilizing a reciprocating tribometer to mimic the ring/liner interfaces in the engine. The frictional surface morphologies were com-prehensively analyzed using electron probe X-ray microanalysis (EPMA), field emission scanning electron microscopy (FESEM), energy dispersive spectrometer (EDS), and three dimensional (3D) surface profilometry to explore the mechanisms responsible for improving the tribological performance of the frictional sliding parts in the engine. The tribological test results illustrated that lubrication by nano-additives reduced the wear rate (WR) and friction coefficient (COF) by 25%–30% and 26.5%–32.6%, respectively, as compared with 5W-30. The results showed that this is a promising approach for increasing the durability and lifespan of frictional sliding components and fuel economy in automobile engines.

关键词： engine tribology nanomaterial nanolubricant friction wear tribofilm

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Rates of readmission and reoperation after operative management of midshaft clavicle fractures in adolescents

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World Journal of Orthopedics 2022年第8期13卷 775-776页

作者： mohamed kamal Mesregah Department of Orthopaedic Surgery Menoufia University Faculty of MedicineShebin El-KomMenoufiaEgypt

The present letter to the editor is a commentary on the study titled“Rates of readmission and reoperation after operative management of midshaft clavicle fractures in adolescents”.There is a debate over whether surgical treatment of clavicle shaft fractures improves clinical outcomes in *** readmission and reoperation rates following surgery should be identified.

关键词： Readmission Reoperation Clavicle fractures Operative fixation ORIF Adolescents

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Solar thermochemical reactions Ⅱ:Synthesis of 2-aminothiophenes via Gewald reaction induced by solar thermal energy

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Chinese Chemical Letters 2008年第7期19卷 788-790页

作者： Ramadan Ahmed Mekheimer mohamed Abdallah Ameen kamal Usef Sadek Chemistry Department Faculty of ScienceEl-Minia UniversityEl-Minia 61519Egypt

Green conditions have been developed for the synthesis of substituted 2-aminothiophenes employing multicomponent reactions of a ketone with active methylene nitrile and elemental sulphur induced by free solar thermal ... 详细信息

关键词： 2-Aminothiophenes Gewald reaction Solar thermal energy

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Weak and strong stabilization of linear systems

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控制理论与应用（英文版） 2009年第4期7卷 359-366页

作者： mohamed OUZAHRA Hamid BOURRAY Asmae kamal Rachid El AYADI Departement of Mathematics and Informatics Ecole Normale Supérieure University Sidi Mohamed Ben Abdellah Fès Morocco I2R Team AFACSI Laboratory Faculty of Sciences Departement of Mathematics and Computer Sciences Moulay Ismail University Meknes Morocco

We study the problem of stabilizing a distributed linear system on a subregion of its geometrical domain. We are concerned with two methods： the first approach enables us to characterize a stabilizing control via the steady state Riccati equation, and the second one is based on decomposing the state space into two suitable subspaces and studying the projections of the initial system onto such subspaces. The obtained results are performed through various examples.

关键词： Linear systems Regional stabilization Riccati equation Decomposed method

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Evaluation of implanted perforated lacrimal punctal plugs using anterior segment optical coherence tomography

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Eye and Vision 2021年第1期8卷 366-373页

作者： Raafat Mohyeldeen Abdelrahman Abdallah Ahmed mohamed kamal Elshafei Heba Radi AttaAllah Ophthalmology Department Minia UniversityEl‑MiniaEgypt Ophthalmology Department Minia University HospitalEl‑MiniaEgypt

Purpose:Evaluation of the patency and position of perforated lacrimal punctal plugs implanted for treating punctal stenosis together with quantitative assessment of the precorneal tear film using anterior segment optical coherence tomography(AS-OCT).Methods:In a prospective study,the lower punctum of 54 eyes of 29 patients implanted with perforated punctal plugs were examined using AS-OCT during the early postoperative *** tear meniscus height(TMH)and tear meniscus area(TMA)were ***,the patency of the plug,its position,TMH and TMA were evaluated,and the results were correlated with postoperative *** scale was used for epiphora ***:Using AS-OCT,48(88.9%)plugs were found in proper position while 6(11.1%)were *** lumen of the plugs was completely patent in 47(87%)plugs,partially obstructed in 2(3.7%)plugs and completely occluded in 5(9.2%)*** was a statistically significant postoperative decrease of TMH and TMA(P<0.001)and postoperative epiphora Munk score(P<0.001).Conclusion:AS-OCT is a valuable,reliable,and noninvasive investigative tool that can detect the proper positioning,patency,and contents of the implanted perforated lacrimal punctal plugs in addition to measurement of TMH and TMA.

关键词： AS-OCT Perforated plugs Plugs

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