نتایج جستجو برای: ayman
تعداد نتایج: 103 فیلتر نتایج به سال:
Background: Post-extubation respiratory failure is a common event after discontinuation of mechanical ventilation. The incidence of reintubation is relatively high, being about 623% among patients undergoing, mechanical ventilation for more than 48 hours within 48-72 hours of endotracheal removal, so it is important to identify those patients at risk of post extubation respiratory failure. Aim ...
This thesis is dedicated to the analysis and the design of sparse-graph codes for channel coding. The aim is to construct coding schemes having high performance both in the waterfall and in the error-floor regions under iterative decoding. In the first part, a new class of LDPC codes, named hybrid LDPC codes, is introduced. Their asymptotic analysis for memoryless symmetric channel is performed...
Background: Avascular osteonecrosis (AVN) is a serious osseous complication after renal transplantation (RT). Its prevalence clearly decreased from 20% to 4 % possibly due to the use of calcinurin inhibitors (CNI), reduction of steroid doses and use of steroid free regimens. The aim of our study was to evaluate the frequency of AVN among our kidney transplant recipients and to determine the ris...
Frank Thonfeld 1,2,*,†, Andreas Rienow 1,3,†, Olena Dubovyk 2,†, Ayman Abdel-Hamid 2, Agatha Akpeokhai 1, Esther Amler 4, Georg Bareth 2,5, Amit Kumar Basukala 6, Morton Canty 2, Manfred Denich 2,6, Tomasz Dobrzeniecki 7, Jessica Ferner 2, Hendrik Flügel 1, Gohar Ghazaryan 2, Ellen Götz 2, Valerie Graw 2, Klaus Greve 2,8, Reginald Guuroh 9, Sascha Heinemann 1, Tobias Henning 1, Konrad Hentze 1,...
Robots have been used in manufacturing and service industries to improve productivity, quality, and flexibility. Robots are usually mounted on a fixed plate, or on rails, and can move in a limited manner. The success of robots in these environments encourages the use of mobile robots in other applications where the environments are not structured, such as in outdoor environments. This dissertat...
TOPIC: Lung Cancer TYPE: Global Case Reports INTRODUCTION: In the mediastinum, Schwannomas are fairly common. Endobronchial position is extremely uncommon, with only a few cases reported in literature. CASE PRESENTATION: An 80-year-old man presented emergency department 3-day history of fever 39 ◦C, general malaise, dry cough, myalgia, headache &loss appetite. Chest X-ray on admission (IMAGE 1)...
Image registration is concerned with the problem of how to combine data and/or information from multiple sensors in order to achieve improved accuracies and better inference about the environment than could be attained through the use of a single sensor. Registration of imagery and information from multiple sources is essential for a variety of applications in remote sensing, medical diagnosis,...
Recent developments of digital cameras in terms of the size of a Charged Coupled Device (CCD) and Complementary Metal Oxide Semiconductor (CMOS) arrays, as well as reduced costs, are leading to their applications in traditional and new photogrammetric, surveying, and mapping functions. Such cameras require careful calibration to determine their metric characteristics, as defined by the Interior...
Graft versus host disease (GVHD) is a major complication in human leukocyte antigen (HLA) matched allogeneic hematopoietic stem cell transplantation (allo-HSCT). Pharmacologic GVHD prophylaxis typically include calcineurin inhibitors, mycophenolate mofetil (MMF), methotrexate, and sirolimus. Other methods for T-cell depletion, however, these approaches could increase the risk of infections rela...
For an increasing number of women globalization has led to migration: more and more women are involved in internal, regional and international migration to find jobs and most of them are employed to do agricultural and domestic work. In this paper an attempt has been made to see the migration of Mexican women to urban informal sector particularly to Monterrey Metropolitan Region. The paper has ...
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