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Search Results: 1 - 10 of 9313 matches for " Awad Mohamed "
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Evaluation of BSc Radiologic Sciences and Medical Imaging Technology Programmes in Sudanese Universities from Students’ Perspective  [PDF]
Awad Mohamed Elkhadir
Open Journal of Radiology (OJRad) , 2015, DOI: 10.4236/ojrad.2015.54028
Abstract: This study sets the objective to involve undergraduate students in the evaluation of radiologic sciences and medical imaging technology programmes in Sudanese universities. Based on the analysis of survey results in which the participants (BSc students undertaking radiologic sciences and medical imaging technology programmes at university level) are asked to answer both closed and open-ended questions, the study seeks to reveal the participants’ perceptions and introspections about the radiologic sciences and medical imaging technology programmes in Sudan. It also attempts to explore the participants’ suggestions and recommendations as to enhance the quality of these programmes with an eye to helping syllabus designers to improve these programmes, thereby bettering healthcare services for the larger good to the community. A brief cross-sectional survey is completed by a total of 105 radiologic sciences and medical imaging technology students, i.e. 39 (37.1%) third-year students and 66 (62.9%) fourth-year students. The majority of participants is satisfied with the programmes, indicating that they are up-to-date and ran abreast with the latest developments in the field. Very few suggest that the programmes should be reviewed for revision, implying that there is room for improvement. Some participants recommend that more training hours in modern imaging modalities (e.g. MRI, CT and U/S) should be introduced. Only one participant recommends the introduction of advanced training centres.
The effect of tissue expanders on the growing craniofacial skeleton
Awad Mohamed
Indian Journal of Plastic Surgery , 2006,
Abstract: Background: Tissue expansion can safely be considered one of the major advances in reconstructive plastic surgery. Reported complication rates for tissue expansion have been as low as zero and as high as 48% when expanding the head and neck region in pediatric patients.[1] Our study is to discuss the osseous effects during and after tissue expansion in children. Materials and Methods: Thirty four expanders were implanted, 30 in scalp and 4 in face. In 4 patients, 2 expanders were used. The mean age of the patients was 3.8 years. All CT examinations (pre-expansion, post-expansion and after reconstruction) were done correspondingly with each other to be able to compare the following parameters: bone thickness and bone density under the expander; certain intracranial dimensions under the center and the edge of the expander and observing the contour of the skull in the 3D reconstruction. Results: Variable bony changes were observed in the 30 patients, apposition at the edge of expander (Periosteal reaction) being the most frequent change, which was observed in, all except 3 patients. Bone resorption and thinning occurred in 9 patients. Inward bone displacement varied from 1 to 3 mm in two patients. Conclusions: In spite of the reported complications like thinning and deformation of underlying bone, expansion in infants and children is safe if done with a proper preoperative planning and we prefer to delay the expansion after two years as possible.
Urethral advancement technique for repair of distal penile hypospadias: A revisit
Awad Mohamed
Indian Journal of Plastic Surgery , 2006,
Abstract: Background: Numerous ingenious methods have been described to repair hypospadias with variable results. The anterior urethral advancement technique reported by Chang[1] to repair distal hypospadias has shown encouraging results. We have reevaluated this technique with some modifications to improve its results. Materials and Methods: This study was done on 72 patients, 19 cases with glanular hypospadias, 20 cases with coronal hypospadias, 22 cases of subcoronal hypospadias,and 11 cases with anterior penile hypospadias in the period between September 1999 and October 2003. The patients′ age ranged from two years to twenty five years (median age 5.6) years. All the patients were operated using Chang′s technique with our modifications. Results: There were no major complications in any of our patients, no postoperative fistulae or urethral stricture. Three patients had meatal stenosis and preputial edema occurred in 83.3% in non-circumcised patients. Conclusion: Modifications of the anterior advancement technique has produced excellent Results. It is easy to do and learn and also offers good cosmetic and functional results.
A new definition of Bejan number
Awad Mohamed M.
Thermal Science , 2012, DOI: 10.2298/tsci12041251a
Abstract: A new definition of Bejan number will be generated by replacing the thermal diffusivity with the mass diffusivity. For example, the Schmidt number is the mass transfer analog of the Prandtl number. For the case of Reynolds analogy (Sc = Pr = = 1), both current and new definitions of Bejan number are the same. This new definition is useful and needed for diffusion of mass (mass diffusion).
Does closure of chronic pilonidal sinus still remain a matter of debate after bilateral rotation flap? (N-shaped closure technique)
Awad Mohamed,Saad Khaled
Indian Journal of Plastic Surgery , 2006,
Abstract: Background: Controversy still exists about the exact cause of pilonidal sinus either acquired or congenital, and also about what is the best surgical technique for the treatment of the disease. We successfully treated chronic pilonidal sinus with a new flap technique {N-shaped bilateral rotation flap} for closure of the defect. Materials and Methods: Thirty-two patients (30 men and two women) were treated by eccentric elliptical excision of the diseased tissues down to the postsacral fascia and closure of the defect with our flap [which is a random pattern flap], then a closed suction drain was placed at the base of the wound, with its tip being brought out in the gluteal region at least 5 cm lateral to the lower end of the suture line. Results: All our patients healed completely without recurrence during a period of average follow-up of two years. Mean hospital stay was 1.5 days (range 1-5 days). Mean time to complete healing was 11.9 days (range 6-18 days). Mean time off work was 13.7 days (range 10-21 days). Two patients had wound infection and one patient a partial breakdown. The recurrence rate was 0%. Conclusions: A tension-free suture via bilateral rotation flaps with a good suction at the button of the wound for drainage of blood from the bottom of the wound is the key to the success of repair without recurrence.
Hepatitis B genotyping and its clinical implications
Saeed Awad,Mohamed Abdelrahman
Saudi Journal of Gastroenterology , 2007,
Learning and Thinking Styles Based on Whole Brain Theory in Relation to Emotional Intelligence  [PDF]
Ahmad Mohamed Awad AlGhraibeh
Open Access Library Journal (OALib Journal) , 2015, DOI: 10.4236/oalib.1101436
Abstract: Based on Whole Brain Theory, this study explores the relationship between learning and thinking styles and emotional intelligence to determine correlations between the variables and to discover whether they differ according to gender and age groups. Two tests are used: learning and thinking styles based on Whole Brain Theory, and sensory-motor integration. Validity and reliability are tested; correlation coefficient is calculated using Pearson test. Total reliability for learning and thinking styles scored 0.860. Total internal consistency by Cronbach Alpha scored 0.872. Emotional intelligence reliability scored 0.880, and internal consistency scored 0.920. The study was conducted on a stratified random (cluster) sample of 753 male and female students, ranging in age from 12 to 16 years, Members of the sample set were enrolled in 13 public schools (7 all-male and 6 all-female schools) within the Irbid first directorate. The results indicated a positive correlation (40.8%) between emotional intelligence (emotional assimilation) with upper left brain (henceforth (Q_A)) and learning and thinking styles of the Lower Right Brain (henceforth (Q_C)) and upper right brain (henceforth (Q_D)). Linear correlation showed statistical significant differences between emotional intelligence dimensions test (emotional assimilation and emotional understanding) and Q_D in favor of females. Statistical significant differences are also found between emotional assimilation and Q_A and Q_C in favor of females.
CT Brain in Children: Evaluation of the Clinical and Radiological Findings  [PDF]
Awad Elkhadir, Mohamed Gotb, Deema Hussein, Mohamad Saka, Saddiq Jastaniah
Open Journal of Pediatrics (OJPed) , 2016, DOI: 10.4236/ojped.2016.61008
Abstract: This study was done to the review and documentation of brain CT investigations in King Abdulaziz University Hospital (KAUH), Jeddah, Saudi Arabia in 2012 including CT findings for brain based on justifications for scan. The purpose of the study is to evaluate the situation of requesting CT brain versus the reporting findings. A retrospective study was carried out in the Department of Radiology, KAUH between 1 January and 31 December 2012. There were 417 children scanned by CT for brain, their data were reviewed and analyzed from radiology records to form the sample of the study. The study revealed that high percentages of radiological findings for CT brain did not confirm the clinical diagnosis. The percentages of such cases which observed in the three departments of emergency, inpatient and outpatient were 68.4%, 53.6% and 49.4% respectively. This result shows that a percentage of children were given unnecessary exposure to radiation among those who received CT brain from the radiology department in KAUH. From the study, it is concluded that most brain CT done for children were not justification as well as there were more brain CT findings not confirmed the clinical diagnosis, although the brain CT may be significant in most of the cases. Hence, there is a big concern about the increasing requests for unnecessary brain CT. Therefore, the paediatricians should be more careful in requesting of brain CT unless it is indispensible.
A Case of Multiple Myeloma and Renal Failure in a Young Patient  [PDF]
Muftah Othman, Eiman Homid, Mohamed Sadek, Ali Rahil, Awad Rashed
Open Journal of Nephrology (OJNeph) , 2016, DOI: 10.4236/ojneph.2016.64017
Abstract: Multiple myeloma is a malignant plasma cell disorder that affects the kidney with various clinical presentations. The most common renal manifestation of multiple myeloma is myeloma cast nephropathy. We are describing a young patient with multiple myeloma presented with back pain, anemia and renal impairment. The renal biopsy showed a myeloma cast nephropathy. She was treated with myeloma chemotherapy, high cut-off hemodialysis and autologous hematopoietic stem cell transplantation with good outcome. We report this rare case of multiple myeloma presented with myeloma cast nephropathy (MCN) in a young patient to describe the evidence of light chain removal strategies including plasmapheresis and high cut-off hemodialysis for the management of myeloma cast nephropathy.
Feasibility of a solar-assisted winter air-conditioning system using evaporative air-coolers
Mohamed M. El-Awad
International Journal of Energy and Environment , 2011,
Abstract: The paper presents a winter air-conditioning system which is suitable for regions with mildly cold but dry winters. The system modifies the evaporative air-cooler that is commonly used for summer air-conditioning in such regions by adding a heating process after the humidification process. The paper describes a theoretical model that is used to estimate the system's water and energy consumption. It is shown that a 150-LPD solar heater is adequate for air-conditioning a 500 ft3/min (14.4 m3/min) air flow rate for four hours of operation. The maximum air-flow rate that can be heated by a single solar water-heater for four hours of operation is about 900-cfm, unless a solar water heater large than a 250-LPD heater is used. For the 500 ft3/min air flow rate the paper shows that the 150, 200, 250 and 300 LPD solar water-heaters can provide air-conditioning for 4, 6, 8 and 10 hours, respectively, while consuming less energy than the equivalent refrigerated-type air-conditioner.
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