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Search Results: 1 - 10 of 1070 matches for " Adel Kheder "
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Impact of Dialysis Modality on Kidney Transplantation Outcomes  [PDF]
Imed Helal, Imen Gorsane, Fethi Ben Hamida, Adel Kheder
Journal of Biomedical Science and Engineering (JBiSE) , 2015, DOI: 10.4236/jbise.2015.82007
Abstract: Survival benefits of renal transplantation over dialysis therapy are well established for patients with end-stage renal disease (ESRD). Transition from one treatment modality to another is common. Understanding the differences in outcomes with the various renal replacement therapies will help nephrologists to provide best advice for dialysis patients. The influence of pretransplant dialysis modality on post-transplant outcomes is not clear. An overview of the various issues related to dialysis modality on kidney transplantation outcomes is discussed in this topic review. These include allograft and recipient survival, the impact of dialysis vintage and choice of dialysis modality on transplant outcomes.
Relapsing Polychondritis Associated with Myelodysplastic Syndrome  [PDF]
Mahfoudhi Madiha, Mamlouk Habiba, Lahiani Rym, Turki Sami, Kheder Adel
Open Journal of Clinical Diagnostics (OJCD) , 2015, DOI: 10.4236/ojcd.2015.51002
Abstract: A 62-year-old man had arthritis and an infiltrated purpuric eruption of the legs. He presented then a cyanosis and aches of the left ear’s pinna with a voice disturbance and an inflammatory aspect of the nose. He had an anemia and a thrombopenia. The infectious and auto-immune research was negative. The laryngo-tracheal scan revealed calcifications of the larynx, the trachea and the initial portion of bronchi. Moreover, the biopsy from ear’s pinna cartilage confirmed the diagnosis of chondritis and peri-chondritis. He was thus considered to have the association with relapsing polychondritis and a myelodysplastic syndrome. The patient was treated with corticosteroids and iterative transfusions. The articular and skinny patient’s symptoms completely resolved. The anemia and the thrombopenia were partially improved. The relapsing polychondritis can be considered as paraneoplastic complication in the context of a myelodysplastic syndrome or as a fortuitous association. The mechanism of such an association remains unknown.
Autoimmune Hepatitis-Primary Biliary Cirrhosis: Overlap Syndrome Concomitant with Unexpected Myasthenia and Thymoma  [PDF]
Mahfoudhi Madiha, Mamlouk Habiba, Turki Sami, Kheder Adel
Open Journal of Clinical Diagnostics (OJCD) , 2015, DOI: 10.4236/ojcd.2015.51004
Abstract: The myasthenia gravis is an autoimmune disease which can be associated frequently with a thymoma and also with autoimmune pathologies. We report the case of a 64-year-old man affected an overlap syndrome corresponding to the association of autoimmune hepatitis (AIH) and primary biliary cirrhosis (PBC). He also presented concomitant myasthenia gravis and thymoma. The physical examination notes only a disturbed voice. The liver tests showed: alkaline phosphatase 600 U/l, alanine aminotransferase 1280 U/l, and aspartate aminotransferase 985 U/l. Viral serologies of hepatitis were all negative, as well as antinuclear, antimitochondrial and antismooth muscle antibodies. The diagnosis of an overlap syndrome was posed according to the biological and hepatic histhological results. An associated myasthenia was confirmed by the results of the EMG and the positivity of the anti-acetylcholine receptor antibody. A chest CT revealed a thymoma. The treatment consisted of ursodeoxycholic acid, prednisone, azathioprine and pyridostigmine. And the patient improved his voice and the liver function. Thymectomy was practiced without incidents.
Mortality in Kidney Transplantation  [PDF]
Karima Boubaker, Madiha Mahfoudhi, Amel Gaieb Battikh, Hayet Kaaroud, Ezzeddine Abderrahim, Taieb Ben Abdallah, Adel Kheder
Open Journal of Nephrology (OJNeph) , 2015, DOI: 10.4236/ojneph.2015.52003
Abstract:
It’s a retrospective study whose aim was to evaluate the incidence and the mortality in a popula-tion including 329 patients who received first kidney transplants from a living donor in 269 cases and cadaveric donor in 60 cases at Internal Medicine A department between June 1986 and December 2003. Aetiologies of mortality in our kidney transplant recipients were determined. There were 157 males and 75 females having an average age of 30.8 years. After a period of follow-up of 5.64 years, 51 patients (21.98%) died. Aetiologies of mortality were multiple and were known in approximately 98% of cases. Infections were observed in 25 cases. Cancer was observed in 7 cases (13.72%). Patient survival was not affected by gender, donor age or cause of donor death. Infections represent the major cause of mortality in our patients even many years after kidney transplantation. The maximum of death occurred in the 8th year after kidney transplantation.
Higher Endogenous Erythropoietin Levels in Hemodialysis Patients with Hepatitis C Virus Infection and Effect on Anemia  [PDF]
Karima Boubaker, Madiha Mahfoudhi, Amel Gaieb Battikh, Azza Bounemra, Chokri Maktouf, Adel Kheder
Open Journal of Nephrology (OJNeph) , 2015, DOI: 10.4236/ojneph.2015.52004
Abstract:
Study for influence of chronic Hepatitis C (HCV) on endogenous erythropoietin production and on anemia in dialysis patients remains inconclusive. We hypothesize that chronic hemodialysis patients with co-existing Hepatitis C infection will have higher hemoglobin levels than chronic hemodialysis patients without hepatitis C infection. Secondly, we hypothesize that the higher hemoglobin levels will be associated with higher erythropoietin levels. Therefore we conducted a cross-sectional study of chronic hemodialysis patients with and without hepatitis C infection and evaluated associations with hemoglobin and erythropoietin levels. Our primary outcome was level of hemoglobin. Secondary outcome included association of hemoglobin and erythropoietin levels. 57 chronic hemodialysis patients (33 male, 24 female, mean age 46.05 ± 12.7 years) were included. The mean time spent on hemodialysis was 7.16 ± 6.2 years. None of the patients received any recombinant EPO therapy. Biochemical analyses include ALT, AST, Albumin, C-Reactive Protein, cholesterol levels and complete blood counts. Iron status of patients (transferrin saturation and serum ferritin levels) and parathyroid hormone were measured. Endogenous EPO serum levels were measured by a standardized enzyme-linked immunoassay. 23 of the hemodialysed patients (38.5%) were HCV (+). There was no difference in age, sex, distribution of primary renal diseases, iron status, albumin, C-Reactive-Protein and parathyroid hormone levels between HCV (+) and (-) patients. Mean duration time on dialysis was higher in HCV (+) than HCV (-) patients. Hemoglobin levels were similar between study groups. However serum endogenous erythropoietin levels were significantly higher in HCV (+) patients than HCV (-) patients (19.6 ± 10 mUI/ml vs 7.8 ± 7.7 mUI/ml, p = 0.03). No correlation has been found between the severity of anemia and HCV infection. However, HCV (+) hemodialysed patients had higher serum endogenous erythropoietin levels as compared to HCV (-) patients. Further studies are needed to clarify why high endogenous erythropoietin level does not improve anemia in HCV infected hemodialysis patients.
Chylothorax-complicated chronic lymphocytic leukemia
Mahouachi Ridha,Kheder A
Annals of Saudi Medicine , 2006,
Abstract:
Prevalence and Antimicrobial Susceptibility Pattern of Methicillin Resistance Staphylococcus in a Sudanese Surgical Ward  [PDF]
Salah Ibrahim Kheder, Nagla A. Ali, Ahmed Ibrahim Fathelrahman
Pharmacology & Pharmacy (PP) , 2012, DOI: 10.4236/pp.2012.31015
Abstract: Background: Methicillin-resistant Staphylococcus aureus (MRSA) is important nosocomial pathogen. Aim: In this paper, we determined the prevalence and the antibiotic susceptibility pattern of (MRSA) in a Sudanese surgical ward. Method: A total of 200 post-operative surgical specimens were collected from patients hospitalized in gastrointestinal tract (GIT) surgical ward in Ibn Sina hospital, Khartoum, Sudan and were subjected to MRSA screening and sensitivity test. Key findings: Out of 35 strains of Staphylococcus aureus isolated from surgical samples, 25 (71.4%) were found to be MRSA. Almost all MRSA strains were resistance to Methicillin, 96% to Ofloxacin, 92% to Pencillin G, 24% to Amikacin and 4% to Vancomycin. Cross-resistance was obviously detected. Conclusion: The present study detected alarming levels of S. aureus (MRSA) isolates, at the same time presence of high cross-resistance to other antibiotics.
Analyticity of Semigroups generated by Degenerate Mixed Differential Operators  [PDF]
Adel Saddi
Advances in Pure Mathematics (APM) , 2011, DOI: 10.4236/apm.2011.13010
Abstract: In this paper we are interested in studying the dissipativity of degenerate mixed differential operators involving an interface point. We show that, under particular interface conditions, such operators generate analytic semigroups on an appropriate Hilbert space . To illustrate the results an example is discussed.
Mild Solutions of Fractional Semilinear Integro-Differential Equations on an Unbounded Interval  [PDF]
Adel Jawahdou
Applied Mathematics (AM) , 2013, DOI: 10.4236/am.2013.47A007
Abstract: In this paper, we study the existence of mild solutions for fractional semilinear integro-differential equations in an arbitrary Banach space associated with operators generating compact semigroup on the Banach space. The arguments are based on the Schauder fixed point theorem.
A Decision Tree Classifier for Intrusion Detection Priority Tagging  [PDF]
Adel Ammar
Journal of Computer and Communications (JCC) , 2015, DOI: 10.4236/jcc.2015.34006
Abstract: Snort rule-checking is one of the most popular forms of Network Intrusion Detection Systems (NIDS). In this article, we show that Snort priorities of true positive traffic (real attacks) can be approximated in real-time, in the context of high speed networks, by a decision tree classifier, using the information of only three easily extracted features (protocol, source port, and destination port), with an accuracy of 99%. Snort issues alert priorities based on its own default set of attack classes (34 classes) that are used by the default set of rules it provides. But the decision tree model is able to predict the priorities without using this default classification. The obtained tagger can provide a useful complement to an anomaly detection intrusion detection system.
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