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Articles by Tamer El-Sayed
A Systematic Review and Meta-Analysis of Reported Success and Complication Outcomes the Management of Acute Upper Limb Ischaemia
General ReviewArticles in PressOpen access Affiliations & Notes 1Department of Vascular Surgery, Norfolk and Norwich University Hospital, Colney Lane, Norwich, NR4 7UY, United Kingdom of Great Britain and Northern Ireland (the) 2Department of Radiology, Norfolk and Norwich University Hospital, Colney Lane, Norwich, NR4 7UY, United Kingdom of Great Britain and Northern Ireland (the) 3Norwich Medical School, University of East Anglia, Norwich, NR4 7TJ, United Kingdom of Great Britain and...
Association between Peri-operative Sarcopenia and Long Term Survival following Fenestrated Endovascular Aortic Repair for Complex Abdominal Aortic Aneurysm
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Nonlinear dynamics of reverse osmosis high pressure high speed centrifugal pumps
Abstract High-pressure pump rotors are critical components in a wide range of industrial and mechanical systems, including turbomachinery, hydraulic systems, and aviation engines. This study presents a dynamic model for a single-stage high-speed high-pressure centrifugal pump supported by hydrodynamic journal and thrust bearings. The model is based on a rigid rotor framework and incorporates the coupling effects between the journal and thrust bearings.
Beyond the Bypass: a Critical DEFENCE in the Aortic Arch Debate
Publication History: Received December 8, 2025; Revised December 14, 2025; Accepted December 18, 2025; Published online December 25, 2025 Copyright: Crown Copyright © 2025 Published by Elsevier B.V. on behalf of European Society for Vascular Surgery. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
The Effect of Implementing a Sleep Care Bundle on Sleep Quality and Delirium Among Critically Ill Patients: A Quasi‐Experimental Study
Conflicts of Interest The authors declare no conflicts of interest. References , , and . 2022. “Effect of Earplug/Eye Mask on Sleep and Delirium in Intensive Care Patients.” Nursing in Critical Care 27, no. 4: 537–545. https://doi.org/10.1111/nicc.12741. , , , , , and . 2019. “An Arabic Translation, Reliability, Validity, and Feasibility of the Richards–Campbell Sleep Questionnaire for Sleep Quality Assessment in ICU: Prospective-Repeated Assessments.” Journal of Nursing Measurement 27, no. 3: 153–169.
Nonlinear Dynamics of Whirling Rotor with Asymmetrically Supported Snubber Ring
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Outcomes of Conservatively Managed Patients With Abdominal Aortic Aneurysm: A Single-Centre Experience
Specialty Please choose I'm not a medical professional. Allergy and Immunology Anatomy Anesthesiology Biostatistics Cardiac/Thoracic/Vascular Surgery Cardiology Critical Care Dentistry Dermatology Diabetes and Endocrinology Emergency Medicine Epidemiology and Public Health Family Medicine Forensic Medicine Gastroenterology General Practice Genetics Geriatrics Health Policy Hematology HIV/AIDS Hospital-based Medicine I'm not a medical professional.
A Comparative Study of Theoretical and Experimental Analysis on Balanced and Unbalanced Rotors Supported by Oil- and Water-Lubricated Journal Bearings
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Comparative Analysis of Water Hammer Performance in Different Pipe Parameters with FSI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Comparative study on free vibration analysis of rotating bi-directional functionally graded beams using multiple beam theories with uncertainty considerations | Scientific Reports
Abstract The present study investigates the free vibration behavior of rotating beams made of functionally graded materials (FGMs) with a tapered geometry. The material properties of the beams are characterized by an exponential distribution model. The stiffness and mass matrices of the beams are derived using the principle of virtual energy.
[P04] A Single Centre Early Experience of Directional Atherectomy in Managing Lower Limb Ischaemia
Objective Directional atherectomy has increasingly become an effective and safe endovascular technique in treating patient with claudication and critical limb threatening ischaemia (CLTI). This study reports a single centre early experience of using directional atherectomy. Methods This was a retrospective study of prospectively collected data of patients who underwent directional atherectomy for short distance claudication or CLTI in the Northern Vascular Centre, Freeman hospital, Newcastle.
[A01] Fractured Proximal Nitinol Ring in Fenestrated Anaconda Device: A Multicentre Case Series
There has been an increase in the number and complexity of aortic aneurysms treated by fenestrated endovascular stent grafts. The Terumo Aortic Anaconda endovascular aortic stent graft system has been used since 2010 and is one of two widely used platforms. A multicentre case series of Anaconda Stent Graft with proximal ring fractures is reported.
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