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Simple Nutritional and Inflammatory Markers Associated with Bed Sores in Elderly Stroke People

Advances in Aging Research 2016年第2期5卷 58-69页

作者： mohammed zein abdulwadood Safaa Hussein Ali Geriatrics and Gerontology Department Faculty of Medicine Ain Shams University Cairo Egypt

Background: Bed sores are major burden to hospital care and usually associated with worse prognosis and longer hospital stay. Aims: To evaluate whether simple biochemical inflammatory and nutritional markers would differ between those with bedsores and those without in elderly stroke patients and if there is a distinction between recent bed sore stroke patients and old bed sore stroke patients as regard these biomarkers. Methods: 80 Stroke elderly patients were enrolled and divided into four groups: patients with recent stroke who developed bedsores, patients with recent stroke who did not develop bedsores, patients with old stroke who developed bedsores and patients with old stroke who did not develop bedsores. Nutritional markers (albumin, total protein, magnesium, iron, total iron binding capacity (TIBC), hemoglobin and cholesterol) and inflammatory markers (total leucocyte count, neutrophil to lymphocyte ratio and ferritin) were compared between the four groups. Results: Concerning nutritional markers, albumin (P =< 0.001), Alb/Pr ratio (P =< 0.001), TIBC (P =< 0.001) and cholesterol (P = 0.005) are lower in the acute stroke with bed sore patients versus acute stroke without bed sore. Lower albumin (P =< 0.001) is only found in comparison between chronic stroke with bed sore patients and chronic without bed sore patients. There is a difference between acute stroke with bed sore and chronic stroke with bed sore concerning albumin (P =< 0.001), TIBC (P =< 0.001) and TG (p =< 0.001). Albumin is lower while TG and TIBC are higher in those with acute stroke with bed sores. Regarding inflammatory markers, high neutrophil and ferritin (p =< 0.001) were found in acute stroke with bed sore patients versus acute stroke without bed sore. No difference was found between chronic stroke with bed sore patients and chronic stroke without bed sore patients. Acute stroke with bed sore group has higher TLC, neutrophil, neut/lymph ratio and ferritin (p =< 0.001) than chronic stroke

关键词： Bedsores Nutritional Inflammatory Stroke Elderly

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Effect of nutrition-related infodemics and social media on maternal experience: A nationwide survey in a low/middle income country

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World Journal of Clinical Pediatrics 2024年第1期13卷 93-106页

作者： Marwa M zein Noha Arafa Mortada H F El-Shabrawi Nehal mohammed El-Koofy Department of Public Health and Community Medicine Cairo UniversityCairo 515211Egypt Department of Pediatric Endocrinology and Diabetes Children's HospitalKasralainy Medical SchoolCairo UniversityCairo 515211Egypt Department of Pediatrics Cairo UniversityCairo 12411Egypt Department of Pediatrics The Children's HospitalCairo UniversityCairo 12411Egypt

BACKGROUND Undernutrition is a crucial cause of morbidity and mortality among children in low-or middle-income countries(LMICs).A better understanding of maternal general healthy nutrition knowledge,as well as misbeliefs,is highly essential,especially in such *** the current era of infodemics,it is very strenuous for mothers to select not only the right source for maternal nutrition information but the correct information as *** To assess maternal healthy nutritional knowledge and nutrition-related misbeliefs and misinformation in an LMIC,and to determine the sources of such information and their assessment *** This cross-sectional analytical observational study enrolled 5148 randomly selected Egyptian mothers who had one or more children less than 15 years *** data were collected through online questionnaire forms:One was for the general nutrition knowledge assessment,and the other was for the nutritional myth *** of information and ways of evaluating internet sources using the Currency,Relevance,Authority,Accuracy,and Purpose test were additionally *** The mean general nutrition knowledge score was 29±9,with a percent score of 70.8%±12.1%(total score:41).The median myth score was 9(interquartile range:6,12;total score:18).The primary sources of nutrition knowledge for the enrolled mothers were social media platforms(55%).Half of the mothers managed information for currency and authority,except for considering the author's contact *** than 60%regularly checked information for accuracy and *** mothers with significant nutrition knowledge checked periodically for the author's contact information(P=0.012).The nutrition myth score was significantly lower among mothers who periodically checked the evidence of the information(P=0.016).Mothers dependent on their healthcare providers as the primary source of their general nutritional knowledge were less likely to hold myths by 13%(P=0.044).However,usi

关键词： Nutrition Infodemics Maternal knowledge Myth Low/middle income country

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A New Sparser Nested Array Configuration with Increased Degrees of Freedom

A New Sparser Nested Array Configuration with Increased Degr...

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作者： mohammed Abdulrahman abdulwadood Abdullah 华南理工大学

学位级别：硕士

Array signal processing concentrates on sensor arrays that receive signals in spatial *** application of array signal processing includes source number recognition and direction of arrival estimation（DOA）and so *** applications often use the uniform linear array（ULA）,that are often costly and difficult to provide large aperture,since the maximum number of resolvable sources for a ULA ofsensors ***,increasing the degree of freedom（DOF）based on the concept of Khatri-Rao（KR）product has attracted much attention in array signal *** typical array is nested array,which can achieve（~2）degrees-of-freedom（DOFs）by using only（）*** nested array is obtained from a combination of two ULAs,one ULA is a dense sub-array,that utilizes the classical inter-sensor spacing,while the other ULA is a sparse array,as it employs a sparser inter-inter-element spacing.A preferable sparse array usually has a closed-form expression for sensors locations,and a long central uniform linear array segment in difference co-array（DCA）.All those lead to more resolvable sources and high estimation *** this thesis,a novel nested array configuration is *** proposed array has a closed-form expression for its sensor locations,it extends the concept of the two-level nested array and exploits the difference co-array to increase the achievable *** spacing between the dense and sparse array,and the spacing between the sensors of sparse array change according to the total number of physical *** holes in the difference co-array are interpolated by using nuclear norm to exploit a full difference *** proposed array structure can improve the accuracy and achieve a higher resolution in direction-of-arrival（DOA）*** numerical simulation results eventually validate the efficacy of the proposed array.

关键词： Nested arrays difference co-arrays DOA estimation degrees of freedom nuclear norm minimization

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