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Khader MM, Megahed AM, Eid A. Numerical treatment of the radiated and dissipative power-law nanofluid flow past a nonlinear stretched sheet with non-uniform heat generation. Sci Rep 2023; 13:22691. [PMID: 38114528 PMCID: PMC10730838 DOI: 10.1038/s41598-023-49547-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/09/2023] [Indexed: 12/21/2023] Open
Abstract
The main aim of this paper is to investigate the effect of non-uniform heat generation and viscous dissipation on the boundary layer flow of a power-law nanofluid over a nonlinear stretching sheet. Within the thermal domain, the analysis considers both thermal radiation and variable thermal conductivity. Through the use of similarity transformations, the governing boundary layer equations are transformed into a system of ODEs. The spectral collocation method (SCM) with shifted Vieta-Lucas polynomials (VLPs) is implemented to give an approximate expression for the derivatives and then use it to numerically solve the proposed system of equations. By employing this technique, the system of ODEs is converted into a system of nonlinear algebraic equations. The dimensionless temperature, concentration, and velocity are graphically presented and analyzed for various values of the relevant governing parameters. Through the presented graphical solutions, we can see that the main outcomes indicate that an increase in the power law index, thermal conductivity parameter, and radiation parameter leads to a noticeable decrease in the local Nusselt number, with reductions of around 0.05 percent, 0.23 percent, and 0.11 percent, respectively. In contrast, the Prandtl parameter demonstrates an opposing effect, elevating the local Nusselt number by about 0.1 percent. We validated the accuracy of the numerical solutions by comparing them in some special cases with existing literature.
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Affiliation(s)
- M M Khader
- Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, 11566, Saudi Arabia.
- Department of Mathematics, Faculty of Science, Benha University, Benha, Egypt.
| | - Ahmed M Megahed
- Department of Mathematics, Faculty of Science, Benha University, Benha, Egypt
| | - A Eid
- Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, 11566, Saudi Arabia
- Department of Astronomy, Faculty of Science, Cairo University, Giza, Egypt
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2
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Bakry M, Eid A. Stability and singularity analysis of the cosmologies with different scenarios for deceleration parameter in the presence of torsion. Heliyon 2023; 9:e15663. [PMID: 37153393 PMCID: PMC10160694 DOI: 10.1016/j.heliyon.2023.e15663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/11/2023] [Accepted: 04/18/2023] [Indexed: 05/09/2023] Open
Abstract
In the current paper, path deviation equations in absolutely parametric parallel geometries are derived. It is considered as a geodesic deviation equation. Additionally, it is modified by a torsion term. It proposes the deviation path equation that describes the trajectory deviation of a particle under the influence of the gravitational field. To examine the singularity of the Cosmological models, the modified version of the Raychaudhuri equation is utilized. The generalized law of the variation of Hubble's parameter is utilized to achieve some Cosmological models.
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Affiliation(s)
- M.A. Bakry
- Mathematics Department, Faculty of Education, Ain Shams University, Cairo, Egypt
- Corresponding author.
| | - A. Eid
- Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Kingdom of Saudi Arabia
- Department of Astronomy, Faculty of Science, Cairo University, Giza, Egypt
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3
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YOUSSEF N, Noureldein M, Sfeir G, Eid A. WCN23-0528 RENO-PROTECTIVE EFFECT OF LIRAGLUTIDE IN T1DM: A NOVEL ANTI-INFLAMMATORY THEORY. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
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Abstract
BACKGROUND The intrauterine environment is a key determinant for long-term health outcomes. Adverse fetal environments, such as maternal diabetes, obesity and placental insufficiency are strongly associated with long-term health risks in children. Little is known about differences in fetal cardiac output hemodynamics of diabetic mothers (DM) vs. non-diabetic mothers (NDM). Our study aims to investigate the left-sided, right-sided, and combined cardiac output (CCO) in fetuses of DM vs. NDM. METHODS Retrospective data were collected in fetuses of DM (N = 532) and NDM (103) at mean gestational age 24 weeks. Examination included 2D echo and pulse wave Doppler. Wilcoxon rank sum tests and Chi-square tests were used to test for distribution difference of maternal and fetal continuous and categorical measures respectively between DM and NDM. Intraclass correlation coefficients were calculated to assess intra-observer reliability of fetal cardiac measurements. RESULTS DM mothers had higher mean weight (89.7±22.2 kg) than NDM (76.8±19.8 kg), p < 0.0001 and higher mean BMI (33.4±7.5) than NDM (28.3±5.8), p < 0.0001. C-section delivery occurred in 66% of DM vs. 35% of NDM fetuses. Fetuses of DM mothers had significantly larger semilunar valve diameter, higher left ventricular (LV) output, higher combined cardiac output and lower right ventricle /left ventricle ratio compared to NDM. CONCLUSION The greater CCO (adjusted for fetal weight), left sided cardiac output in the fetuses of DM, compared to NDM, represent differences in cardiac adaptation to the diabetic environment.
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Affiliation(s)
- S L Narasimhan
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
| | - A Eid
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
| | - A Bhatia
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
| | - C Davey
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
| | - J Steinberger
- Department of Pediatrics, University of Minnesota Medical School, Minneapolis, MN, USA
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Rabhi C, Orfeuvre B, Eid A, Griffet J, Rabattu PY, Courvoisier A. Functional impact of osteosuture in medial bilateral clavicular physeal fracture in teenagers. Int J Surg Case Rep 2021; 80:105656. [PMID: 33636404 PMCID: PMC7918264 DOI: 10.1016/j.ijscr.2021.105656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/14/2021] [Accepted: 02/14/2021] [Indexed: 11/25/2022] Open
Abstract
Medial bilateral clavicular physeal fracture. Pediatric orthopaedic surgery. Thoracic paediatric traumatology. Functional impact of osteosuture.
Introduction Proximal physeal fracture of the medial clavicular physis is a rare specific injury occurring in the immature skeletal. Several studies describe unilateral cases with posterior or anterior displacement and the following complications (vascular and mediastinal compression). An immediate diagnosis and management are necessary to avoid complications. The clinical diagnostic might be obvious or difficult, pain and swelling in the sternoclavicular joint area, sometimes a deformity and focal tenderness. A chest X-Ray may help and a three-dimensional reconstructed computed tomography scan has to be done to evaluate the lesions before surgery. The imaging is useful to confirm and specify the diagnostic and the displacement. Presentation of case This case report presents 4 cases of proximal physeal fracture of the medial clavicular physis in 2 male-teenagers with bilateral displacement, one posterior and the other asymmetric. Discussion After reviewing the literature of the unilateral clavicular physeal fracture, we can conclude that the ideal management of these injuries has not been well described. An open reduction associated an osteosuture with non-resorbable suture was performed. One-year follow-up, both of them had full recovery without any functional impact or any complains. This management of the proximal physeal fracture of the medial clavicle on children shows an excellent result according our cases and the literature. Conclusion The purpose of this study is to evaluate the functional impact of osteosuture in medial bilateral clavicular physeal fracture in teenagers after 1-year follow-up.
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Affiliation(s)
- C Rabhi
- Department of Pediatric Ortopaedic, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France.
| | - B Orfeuvre
- Department of Pediatric Ortopaedic, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France
| | - A Eid
- Department of Pediatric Ortopaedic, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France
| | - J Griffet
- Department of Pediatric Ortopaedic, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France
| | - P Y Rabattu
- Service de Department of Pediatric Surgery, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France
| | - A Courvoisier
- Department of Pediatric Ortopaedic, Universitary Hospital Couple-Enfant, CHU of Grenoble-Alpes, France; University of Grenoble-Alpes, France
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Khalifa H, El-Safty SA, Reda A, Eid A, Elmarakbi A, Shenashen MA. Mesoscopic open-eye core-shell spheroid carved anode/cathode electrodes for fully reversible and dynamic lithium-ion battery models. Nanoscale Adv 2020; 2:3525-3541. [PMID: 36134271 PMCID: PMC9418016 DOI: 10.1039/d0na00203h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 06/19/2020] [Indexed: 06/16/2023]
Abstract
We report on the key influence of mesoscopic super-open-eye core-shell spheroids of TiO2- and LiFePO4-wrapped nanocarbon carved anode/cathode electrodes with uniform interior accommodation/storage pockets for the creation of fully reversible and dynamic Li-ion power battery (LIB) models. The mesoscopic core-shell anode/cathode electrodes provide potential half- and full-cell LIB-CR2032 configuration designs, and large-scale pouch models. In these variable mesoscopic LIB models, the broad-free-access and large-open-eye like gate-in-transport surfaces featured electrodes are key factors of built-in LIBs with excellent charge/discharge capacity, energy density performances, and outstanding cycling stability. Mesoscopic open-eye spheroid full-LIB-CR2032 configuration models retain 77.8% of the 1st cycle discharge specific capacity of 168.68 mA h g-1 after multiple cycling (i.e., 1st to 2000th cycles), efficient coulombic performance of approximately 99.6% at 0.1C, and high specific energy density battery of approximately 165.66 W h kg-1 at 0.1C. Furthermore, we have built a dynamic, super-open-mesoeye pouch LIB model using dense packing sets that are technically significant to meet the tradeoff requirements and long-term driving range of electric vehicles (EVs). The full-pouch package LIB models retain a powerful gate-in-transport system for heavy loaded electron/Li+ ion storage, diffusion, and truck movement through open-ended out/in and then up/downward eye circular/curvy folds, thereby leading to substantial durability, and remarkable electrochemical performances even after long-life charge/discharge cycling.
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Affiliation(s)
- H Khalifa
- National Institute for Materials Science (NIMS) Sengen 1-2-1 Tsukuba Ibaraki 305-0047 Japan https://www.samurai.nims.go.jp/profiles/sherif_elsafty
| | - S A El-Safty
- National Institute for Materials Science (NIMS) Sengen 1-2-1 Tsukuba Ibaraki 305-0047 Japan https://www.samurai.nims.go.jp/profiles/sherif_elsafty
| | - A Reda
- National Institute for Materials Science (NIMS) Sengen 1-2-1 Tsukuba Ibaraki 305-0047 Japan https://www.samurai.nims.go.jp/profiles/sherif_elsafty
| | - A Eid
- National Institute for Materials Science (NIMS) Sengen 1-2-1 Tsukuba Ibaraki 305-0047 Japan https://www.samurai.nims.go.jp/profiles/sherif_elsafty
| | - A Elmarakbi
- Department of Mechanical & Construction Engineering, Faculty of Engineering and Environment, Northumbria University Newcastle upon Tyne NE1 8ST UK
| | - M A Shenashen
- National Institute for Materials Science (NIMS) Sengen 1-2-1 Tsukuba Ibaraki 305-0047 Japan https://www.samurai.nims.go.jp/profiles/sherif_elsafty
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Spicer GLC, Eid A, Wangpraseurt D, Swain TD, Winkelmann JA, Yi J, Kühl M, Marcelino LA, Backman V. Author Correction: Measuring light scattering and absorption in corals with Inverse Spectroscopic Optical Coherence Tomography (ISOCT): a new tool for non-invasive monitoring. Sci Rep 2019; 9:18056. [PMID: 31772266 PMCID: PMC6879626 DOI: 10.1038/s41598-019-54379-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- G L C Spicer
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, USA.,Wellman Center for Photomedicine, Harvard Medical School and Massachusetts General Hospital, Boston, MA, USA
| | - A Eid
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - D Wangpraseurt
- Department of Chemistry, University of Cambridge, Lensfield Road, UK.,Scripps Institution of Oceanography, University of California, San Diego, USA
| | - T D Swain
- Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL, USA.,Integrative Research Center, Field Museum of Natural History, Chicago, IL, USA.,Department of Marine and Environmental Sciences, Nova Southeastern University, Dania Beach, FL, USA
| | - J A Winkelmann
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - J Yi
- Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - M Kühl
- Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark.,Climate Change Cluster, University of Technology Sydney, Ultimo, NSW, Australia
| | - L A Marcelino
- Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL, USA. .,Integrative Research Center, Field Museum of Natural History, Chicago, IL, USA.
| | - V Backman
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA.
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Samaha A, Fawaz M, Eid A, Gebbawi M, Yahfoufi N. Data on the relationship between internet addiction and stress among Lebanese medical students in Lebanon. Data Brief 2019; 25:104198. [PMID: 31463341 PMCID: PMC6706676 DOI: 10.1016/j.dib.2019.104198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 06/17/2019] [Accepted: 06/20/2019] [Indexed: 11/02/2022] Open
Abstract
Stress and behavioral addiction are becoming major health problems growing in strength and prevalence. They are often associated with a large array of debilitating diseases and conditions including psychosocial impairments. Medical students remain a vulnerable territory for developing stress and addiction mainly relating to Internet use. Data was gathered from medical students around Lebanon on the relationship between stress and internet addiction. The data in this article provides demographic data about medical students in Lebanon, their stress levels, sources of stress as well as the level of internet addiction recorded in relation to their stress levels. The analyzed data is provided in the tables included in this article.
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Affiliation(s)
- A. Samaha
- Lebanese University, Doctoral School for Literature and Social Sciences, Lebanon
- Beirut Arab University, Faculty of Health Sciences, Lebanon
- Department of Biomedical Sciences, Lebanese International University, Lebanon
- Lebanese University, Faculty of Public Health, Lebanon
| | - M. Fawaz
- Beirut Arab University, Faculty of Health Sciences, Lebanon
| | - A. Eid
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Lebanon
| | - M. Gebbawi
- Department of Pediatrics and Adolescent Medicine, American University of Beirut, Lebanon
| | - N. Yahfoufi
- Lebanese University, Doctoral School for Literature and Social Sciences, Lebanon
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Eid A, Ali. B, Eldahrawy A, Salama F, Abd El-Naby A. GROWTH PERFORMANCE AND SURVIVAL OF GILTHEAD SEABREAM SPARUS AURATA LARVAE FED ROTIFER AND ARTEMIA. Egyptian Journal of Nutrition and Feeds 2018; 21:899-907. [DOI: 10.21608/ejnf.2018.75831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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10
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Wright K, Bihaqi SW, Lahouel A, Masoud A, Mushtaq F, Leso A, Eid A, Zawia NH. Importance of tau in cognitive decline as revealed by developmental exposure to lead. Toxicol Lett 2017; 284:63-69. [PMID: 29203278 DOI: 10.1016/j.toxlet.2017.11.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 11/28/2017] [Accepted: 11/30/2017] [Indexed: 12/21/2022]
Abstract
Previous reports by us have determined that developmental exposure to the heavy metal lead (Pb) resulted in cognitive impairment in aging wildtype mice, and a latent induction in biomarkers associated with both the tau and amyloid pathways. However, the relationship between these two pathways and their correlation to cognitive performance needs to be scrutinized. Here, we investigated the impact of developmental Pb (0.2%) exposure on the amyloid and tau pathways in a transgenic mouse model lacking the tau gene. Cognitive function, and levels of intermediates in the amyloid and tau pathways following postnatal Pb exposure were assessed on young adult and mature transgenic mice. No significant difference in behavioral performance, amyloid precursor protein (APP), or amyloid beta (Aβ) levels was observed in transgenic mice exposed to Pb. Regulators of the tau pathway were impacted by the absence of tau, but no additional change was imparted by Pb exposure. These results revealed that developmental Pb exposure does not cause cognitive decline or change the expression of the amyloid pathway in the absence of tau. The essentiality of tau to mediate cognitive decline by environmental perturbations needs further investigation.
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Affiliation(s)
- K Wright
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - S W Bihaqi
- George and Anne Ryan Institute for Neuroscience, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - A Lahouel
- Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - A Masoud
- Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston Rhode Island, 02881, USA; Biochemical Technology Program, Faculty of Applied Science, Thamar University, Yemen
| | - F Mushtaq
- Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - A Leso
- Interdisciplinary Neuroscience Program, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - A Eid
- Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston Rhode Island, 02881, USA; Interdisciplinary Neuroscience Program, University of Rhode Island, Kingston Rhode Island, 02881, USA
| | - N H Zawia
- George and Anne Ryan Institute for Neuroscience, University of Rhode Island, Kingston Rhode Island, 02881, USA; Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island, Kingston Rhode Island, 02881, USA; Interdisciplinary Neuroscience Program, University of Rhode Island, Kingston Rhode Island, 02881, USA.
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M. I, Eid A, Mohamed K, Abd-elfattah B. Effect of Replacement of Soybean Meal with Duckweed (Lemna minor) Meal on the Growth Performance and Feed Utilization in Nile Tilapia Fingerlings. Journal of Animal, Poultry & Fish Production 2017; 6:7-12. [DOI: 10.21608/japfp.2017.7415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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12
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Ahmad A, Mitrofanova A, Fornoni A, Eid A, Marples B, Zeidan Y. Novel Role for Sphingolipid Metabolism in Radiation Nephropathy. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Gerges Geagea A, Rizzo M, Eid A, Hajj Hussein I, Zgheib Z, Zeenny MN, Jurjus R, Uzzo ML, Spatola GF, Bonaventura G, Leone A, Massaad-Massade L, Jurjus A. Tea catechins induce crosstalk between signaling pathways and stabilize mast cells in ulcerative colitis. J BIOL REG HOMEOS AG 2017; 31:865-877. [PMID: 29254289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
It is well documented that nutraceuticals, in general, and Green tea catechins, in particular, possess a potential therapeutic value in inflammatory bowel diseases (IBD) due to their anti-oxidative and anti-inflammatory effects. This study aimed to investigate the possible mechanism of action of catechins in a rat model of colitis induced by 2.4.6 trinitrobenzene sulfonic acid (TNBS). Thirty-five young adult Sprague-Dawley rats were divided into four groups: normal control (n=5), catechins (n=9), TNBS (n=9) and TNBS plus catechins (n=12) treated. Catechin in the form of Epigallocatechin-3-gallate (EGCG) was administered daily by intraperitoneal injection, 1 week before the induction date of UC. Biopsies of the descending colon were collected on days 3, 10 and 17, and partly frozen for molecular studies or fixed for light microscopy. The status of intestinal tissue alterations and mast cells number were also assessed, as well as the mRNA expressions of IL-6, TNF-a and NF-kB, and determination of ROS expression. Histological data depicted a significant amelioration in the TNBS- and EGCG-treated rats compared to the non-treated animals. Catechin expressed strong anti-inflammatory and anti-oxidant effects, ameliorated ulcerative colitis and stabilized mast cells. The mechanism of action occurred basically through the NF-kB pathway and possibly through a crosstalk with other pathways.
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Affiliation(s)
- A Gerges Geagea
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Department of Internal Medicine, University of Palermo, Italy
| | - M Rizzo
- Department of Internal Medicine, University of Palermo, Italy
| | - A Eid
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - I Hajj Hussein
- Oakland University William Beaumont School of Medicine, Michigan USA
| | - Z Zgheib
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - M N Zeenny
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - R Jurjus
- Department of Anatomy and Regenerative Biology, George Washington University, Washington D.C., USA
| | - M L Uzzo
- BIONEC Biomedicine e Clinical Neurosciences Department Section of Histology, Embryology and Anatomy, School of Medicine and Surgery, Palermo, Italy
| | - G F Spatola
- BIONEC Biomedicine e Clinical Neurosciences Department Section of Histology, Embryology and Anatomy, School of Medicine and Surgery, Palermo, Italy
| | - G Bonaventura
- BIONEC Biomedicine e Clinical Neurosciences Department Section of Histology, Embryology and Anatomy, School of Medicine and Surgery, Palermo, Italy
| | - A Leone
- BIONEC Biomedicine e Clinical Neurosciences Department Section of Histology, Embryology and Anatomy, School of Medicine and Surgery, Palermo, Italy
| | - L Massaad-Massade
- Université Paris-Sud 11, Laboratoire de Vectorologie et Thérapeutiques Anticancéreuses, UMR 8203, Villejuif, France
- CNRS UMR 8203, Villejuif, Laboratoire de Vectorologie et Thérapeutiques Anticancéreuses, UMR 8203, France
- Gustave Roussy, Laboratoire de Vectorologie et Thérapeutiques Anticancéreuses, UMR 8203, Villejuif, France
| | - A Jurjus
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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14
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Boudissa M, Eid A, Bourgeois E, Griffet J, Courvoisier A. Early outcomes of spinal growth tethering for idiopathic scoliosis with a novel device: a prospective study with 2 years of follow-up. Childs Nerv Syst 2017; 33:813-818. [PMID: 28324184 DOI: 10.1007/s00381-017-3367-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 02/22/2017] [Indexed: 11/26/2022]
Abstract
QUESTIONS/PURPOSES Adolescent idiopathic scoliosis is a 3D spine deformity that worsens during the whole growth. New methods for spinal growth modulation with flexible spinal implants have been described to avoid progression of the deformity during growth spurt. The main limitations are that no specific ancillaries and devices are available, which makes the surgery technically demanding. METHODS We have developed a new method of spinal growth tethering using minimal invasive videothoracoscopic approach. Fixation is performed with staples and synthetic ligament on the lateral aspect of vertebral bodies on main curvature convexity. Patients with progressive thoracic idiopathic scoliosis despite the brace treatment were included. The clinical and radiological examinations were compared before and 2 years after surgery. RESULTS Six patients with flexible thoracic curves with a mean age 11.2 ± 1.2 years and a mean Cobb angle 45° ± 10° (35-60) were operated. All were skeletally immature. At last follow-up, the Cobb angle was stable. None of the patient underwent fusion. CONCLUSIONS The procedure allowed a stabilization of the deformity during growth spurt. Validated devices and further studies with longer term follow-up are needed to confirm the efficiency of this technique. This small cohort of patients is a source of reflection for further medical devices developments. LEVEL OF EVIDENCE Level 4 case series comparing to not randomized studies.
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Affiliation(s)
- M Boudissa
- Orthopedic Pediatric Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France.
- Orthopedic and Traumatology Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France.
| | - A Eid
- Orthopedic Pediatric Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France
| | - E Bourgeois
- Orthopedic Pediatric Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France
| | - J Griffet
- Orthopedic Pediatric Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France
| | - A Courvoisier
- Orthopedic Pediatric Surgery Department, Grenoble Alpes University Hospital, BP 217, 38043, Grenoble, France
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15
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Brahim L, Eid A, Marquès da Silva B, Courvoisier A. [Atypical osteochondroma in a 5-year-old child]. Arch Pediatr 2017; 24:568-570. [PMID: 28416431 DOI: 10.1016/j.arcped.2017.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 01/13/2017] [Accepted: 03/16/2017] [Indexed: 11/25/2022]
Affiliation(s)
- L Brahim
- Service d'orthopédie pédiatrique, université Grenoble-Alpes, centre hospitalo-universitaire, BP 217, 38043 Grenoble cedex 09, France
| | - A Eid
- Service d'orthopédie pédiatrique, université Grenoble-Alpes, centre hospitalo-universitaire, BP 217, 38043 Grenoble cedex 09, France
| | - B Marquès da Silva
- Service d'orthopédie pédiatrique, université Grenoble-Alpes, centre hospitalo-universitaire, BP 217, 38043 Grenoble cedex 09, France
| | - A Courvoisier
- Service d'orthopédie pédiatrique, université Grenoble-Alpes, centre hospitalo-universitaire, BP 217, 38043 Grenoble cedex 09, France.
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Lateur G, Grobost P, Gerbelot J, Eid A, Griffet J, Courvoisier A. Efficacy of nighttime brace in preventing progression of idiopathic scoliosis of less than 25°. Orthop Traumatol Surg Res 2017; 103:275-278. [PMID: 28025152 DOI: 10.1016/j.otsr.2016.10.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Revised: 09/09/2016] [Accepted: 10/07/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION The objective of the present study was to assess, at skeletal maturity, the efficacy of non-operative treatment by isolated nighttime brace in the prevention of progression of progressive idiopathic scoliosis of less than 25°. HYPOTHESIS Isolated nighttime brace treatment is effective in the prevention of progression of mild progressive idiopathic scoliosis (Cobb<25°). MATERIAL AND METHODS A single-center retrospective study included 142 patients managed by nighttime brace for progressive idiopathic scoliosis with Cobb angle<25°, with assessment at skeletal maturity. Mean Cobb angle at start of treatment was 15.5° (range, 10-25°). Mean values for Cobb angle and sagittal parameters before treatment and at skeletal maturity were compared on Student t-test. Change in Cobb angle over time was also analyzed. RESULTS Mean Cobb angle at skeletal maturity was 16.3°, showing significant increase over baseline (15.5°; P=0.04), although the difference was less than the uncertainty of measurement (±6°). In baseline Risser 0 or 1, mean change in Cobb angle at skeletal maturity (16.2°) was not significant (P=0.1). Cobb angle diminished in 26 cases (18%), increased in 24 (17%) and was unchanged in 92 (65%). CONCLUSION The present study confirmed the efficacy of non-operative treatment by nighttime brace in mild progressive idiopathic scoliosis (<25°) in a large majority of cases. A nighttime brace thus seems to be an effective option for the treatment of adolescent scoliosis, ensuring a safe curve of around 20°. LEVEL OF EVIDENCE Level IV, retrospective study.
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Affiliation(s)
- G Lateur
- Service de chirurgie orthopédique pédiatrique, CHU Grenoble-Alpes, BP 217, 38043 Grenoble cedex 9, France
| | - P Grobost
- Service de chirurgie orthopédique pédiatrique, CHU Grenoble-Alpes, BP 217, 38043 Grenoble cedex 9, France
| | - J Gerbelot
- Demeure Orthopédie, 1, rue Rosa-Lee-Parks, 38400 Saint-Martin d'Hères, France
| | - A Eid
- Service de chirurgie orthopédique pédiatrique, CHU Grenoble-Alpes, BP 217, 38043 Grenoble cedex 9, France
| | - J Griffet
- Service de chirurgie orthopédique pédiatrique, CHU Grenoble-Alpes, BP 217, 38043 Grenoble cedex 9, France
| | - A Courvoisier
- Service de chirurgie orthopédique pédiatrique, CHU Grenoble-Alpes, BP 217, 38043 Grenoble cedex 9, France.
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Courvoisier A, Calvelli N, Bourgeois E, Eid A, Griffet J. [Pitfalls in the diagnosis of occult elbow fractures in children]. Arch Pediatr 2016; 23:869-74. [PMID: 27345552 DOI: 10.1016/j.arcped.2016.05.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 05/09/2016] [Accepted: 05/25/2016] [Indexed: 11/29/2022]
Abstract
Elbow injuries are frequent but occult fractures are difficult to diagnose on x-rays. However, any delay in the diagnosis may severely impair the prognosis of some fractures. Simple tips may help the clinician read x-rays properly and avoid the classical pitfalls of elbow injuries in children. The chronology of appearance of ossification nuclei around the elbow is important to distinguish normal features from abnormality. Drawing simple geometric constructions on the x-rays may clarify most occult elbow fractures in children.
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Affiliation(s)
- A Courvoisier
- Département d'orthopédie pédiatrique, laboratoire TIMC-IMAG-SPM, CHU de Grenoble, université Grenoble Alpes, BP 217, 38043 Grenoble cedex 09, France.
| | - N Calvelli
- Département d'orthopédie pédiatrique, laboratoire TIMC-IMAG-SPM, CHU de Grenoble, université Grenoble Alpes, BP 217, 38043 Grenoble cedex 09, France
| | - E Bourgeois
- Département d'orthopédie pédiatrique, laboratoire TIMC-IMAG-SPM, CHU de Grenoble, université Grenoble Alpes, BP 217, 38043 Grenoble cedex 09, France
| | - A Eid
- Département d'orthopédie pédiatrique, laboratoire TIMC-IMAG-SPM, CHU de Grenoble, université Grenoble Alpes, BP 217, 38043 Grenoble cedex 09, France
| | - J Griffet
- Département d'orthopédie pédiatrique, laboratoire TIMC-IMAG-SPM, CHU de Grenoble, université Grenoble Alpes, BP 217, 38043 Grenoble cedex 09, France
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Abdelwhab EM, Hassan MK, Abdel-Moneim AS, Naguib MM, Mostafa A, Hussein ITM, Arafa A, Erfan AM, Kilany WH, Agour MG, El-Kanawati Z, Hussein HA, Selim AA, Kholousy S, El-Naggar H, El-Zoghby EF, Samy A, Iqbal M, Eid A, Ibraheem EM, Pleschka S, Veits J, Nasef SA, Beer M, Mettenleiter TC, Grund C, Ali MM, Harder TC, Hafez HM. Introduction and enzootic of A/H5N1 in Egypt: Virus evolution, pathogenicity and vaccine efficacy ten years on. Infect Genet Evol 2016; 40:80-90. [PMID: 26917362 DOI: 10.1016/j.meegid.2016.02.023] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 02/18/2016] [Accepted: 02/19/2016] [Indexed: 12/09/2022]
Abstract
It is almost a decade since the highly pathogenic H5N1 avian influenza virus (A/H5N1) of clade 2.2.1 was introduced to Egypt in 2005, most likely, via wild birds; marking the longest endemic status of influenza viruses in poultry outside Asia. The endemic A/H5N1 in Egypt still compromises the poultry industry, poses serious hazards to public health and threatens to become potentially pandemic. The control strategies adopted for A/H5N1 in Egyptian poultry using diverse vaccines in commercialized poultry neither eliminated the virus nor did they decrease its evolutionary rate. Several virus clades have evolved, a few of them disappeared and others prevailed. Disparate evolutionary traits in both birds and humans were manifested by accumulation of clade-specific mutations across viral genomes driven by a variety of selection pressures. Viruses in vaccinated poultry populations displayed higher mutation rates at the immunogenic epitopes, promoting viral escape and reducing vaccine efficiency. On the other hand, viruses isolated from humans displayed changes in the receptor binding domain, which increased the viral affinity to bind to human-type glycan receptors. Moreover, viral pathogenicity exhibited several patterns in different hosts. This review aims to provide an overview of the viral evolution, pathogenicity and vaccine efficacy of A/H5N1 in Egypt during the last ten years.
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Affiliation(s)
- E M Abdelwhab
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany; National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - M K Hassan
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - A S Abdel-Moneim
- Virology Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt; Microbiology Department, Virology Division, College of Medicine, Taif University, Al-Taif 21944, Saudi Arabia
| | - M M Naguib
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany; National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - A Mostafa
- Center of Scientific Excellence for Influenza Viruses, National Research Centre (NRC), Dokki, Giza 12311, Egypt; Institute of Medical Virology, Justus Liebig University Giessen, Schubertstrasse 81, Giessen 35392, Germany
| | - I T M Hussein
- Massachusetts Institute of Technology, Cambridge, MA 02139, United States
| | - A Arafa
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - A M Erfan
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - W H Kilany
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - M G Agour
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt; Animal Health Research Institute, Dokki, 12618 Giza, Egypt
| | - Z El-Kanawati
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - H A Hussein
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - A A Selim
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - S Kholousy
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - H El-Naggar
- Veterinary Serum and Vaccine Research Institute, Abbasia, El-Sekka El-Beida St., PO Box 131, Cairo 11381, Egypt
| | - E F El-Zoghby
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - A Samy
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - M Iqbal
- Avian Influenza Group, The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, United Kingdom
| | - A Eid
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - E M Ibraheem
- Animal Health Research Institute, Dokki, 12618 Giza, Egypt
| | - S Pleschka
- Institute of Medical Virology, Justus Liebig University Giessen, Schubertstrasse 81, Giessen 35392, Germany
| | - J Veits
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - S A Nasef
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt
| | - M Beer
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - T C Mettenleiter
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - C Grund
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - M M Ali
- National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Dokki, Giza 12618, Egypt; Animal Health Research Institute, Dokki, 12618 Giza, Egypt
| | - T C Harder
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - H M Hafez
- Institute of Poultry Diseases, Freie Universität Berlin, Königsweg 63, 14163 Berlin, Germany.
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Bala M, Mizrahi I, Mazeh H, Yuval J, Eid A, Almogy G. Percutaneous cholecystostomy is safe and effective option for acute calculous cholecystitis in select group of high-risk patients. Eur J Trauma Emerg Surg 2015; 42:761-766. [PMID: 26612179 DOI: 10.1007/s00068-015-0601-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 11/16/2015] [Indexed: 12/31/2022]
Abstract
PURPOSE In high-risk patients with acute calculous cholecystitis (ACC), percutaneous cholecystostomy (PC) can serve as a bridging option to cholecystectomy [laparoscopic cholecystectomy (LC)] or as definitive treatment. The purpose of this study was to identify predictors of the need for permanent PC. METHODS Data from 257 PCs performed for ACC (mean age 67.3 ± 14) was collected for a 10-year period. Demographic and clinical characteristics at initial admission, co-morbidities were analyzed. Patients who underwent interval LC were defined as the surgery group (SG; n = 163, 63.4 %) and the remaining patients as the non-SG (NSG; n = 94, 36.6 %). RESULTS Patients in the SG were significantly younger and had a shorter length of hospital stay (p < 0.01). The rate of coronary artery disease (CAD; 63.2 vs. 20.2 %), chronic renal failure (14.9 vs. 6.1 %), and the mean number of co-morbidities (2.2 vs. 1.4) were significantly higher in the NSG. Sepsis at admission was more common in the NSG (19.1 vs. 4.9 %, p < 0.001). 56 patients (34.4 %) in the SG and 24 patients (25.5 %) in the NSG developed tube-related complications. In hospital mortality was similar between the groups. Multivariate analysis showed that age ≥75, increased alkaline phosphatase (ALK-P), history of CAD, were predictors of PC as a definite treatment in this high-risk group of patients with ACC. CONCLUSIONS High operative risk due to older age and CAD preclude LC in more than one-third of patients following PC especially presenting with sepsis and elevated ALK-P. This study suggests that PC could be a safe treatment option in this select group of high-risk patients.
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Affiliation(s)
- M Bala
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel.
| | - I Mizrahi
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel
| | - H Mazeh
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel
| | - J Yuval
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel
| | - A Eid
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel
| | - G Almogy
- Department of General Surgery, Hadassah-Hebrew University Medical Center, P.O.B. 12000, 91120, Jerusalem, Israel
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20
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Ahmed A, Subaiea M, Eid A, Li L, Seeram P, Zawia H. Pomegranate Extract Modulates Processing of Amyloid-β Precursor Proteinin an Aged Alzheimer’s Disease Animal Model. Curr Alzheimer Res 2014. [DOI: 10.2174/1567205011666141001115348] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Waller S, Raglow Z, Lemons S, Johnson P, Eid A, Schmitt T, Smothers J, O'Neil M, Gilroy R. Microwave ablation of a large renal aspergilloma. Transpl Infect Dis 2014; 16:496-500. [DOI: 10.1111/tid.12221] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 12/19/2013] [Accepted: 01/08/2014] [Indexed: 11/28/2022]
Affiliation(s)
- S. Waller
- Division of Infectious Diseases; The University of Kansas Medical Center; Kansas City Kansas USA
| | - Z. Raglow
- Center for Transplantation; The University of Kansas Medical Center; Kansas City Kansas USA
| | - S. Lemons
- Department of Radiology; The University of Kansas Medical Center; Kansas City Kansas USA
| | - P. Johnson
- Department of Radiology; The University of Kansas Medical Center; Kansas City Kansas USA
| | - A. Eid
- Division of Infectious Diseases; The University of Kansas Medical Center; Kansas City Kansas USA
| | - T. Schmitt
- Center for Transplantation; The University of Kansas Medical Center; Kansas City Kansas USA
| | - J. Smothers
- Center for Transplantation; The University of Kansas Medical Center; Kansas City Kansas USA
| | - M. O'Neil
- Department of Pathology; The University of Kansas Medical Center; Kansas City Kansas USA
| | - R. Gilroy
- Center for Transplantation; The University of Kansas Medical Center; Kansas City Kansas USA
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22
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Hajj Hussein I, Eid A, Maksoud R, Jambart S, Bou Assi T, Zgheib Z, Oueidat D, Chams N, Chams S, Diab R, Barada K, Jurjus R, Cappello F, Reimund J, Kreiker J, Leone A, Jurjus A. Estrogens control inflammation in experimental colitis. J BIOL REG HOMEOS AG 2014; 28:213-224. [PMID: 25001654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
There is now a wealth of experimental evidence indicating that the deficit in endogenous estrogen facilitates the onset of inflammation that can be antagonized by estrogen replacement therapy. This work investigated the role of estrogen in the control of intestinal inflammation in a panel of colitis models, focusing on the morphological changes, the activity of mast cells, the expression of cytokines (IL-1beta, IL-6, and TNF-alpha), fibronectin and reactive oxygen species. Two hundred adult male rats were divided into 4 groups: colitis was induced in Group I and Group II but only the latter was treated with estrogen; Group III received estrogen only, and Group IV saline. Colitis was induced in 4 models using: iodoacetamide; iodoacetamide + enteropathogenic E. coli; 2, 4, 6-Trinitrobenzene sulfonic acid; and dextran sulfate sodium salt. Macroscopic and microscopic evaluations of abdominal structures as well as molecular analysis were made on days 7, 14, 28 and 56. There was a significant improvement in the health condition of the estrogen-treated rats: the inflammation scores were reduced by at least 10-15%, the number of mast cells in the colon decreased by 30%, fibronectin expression was only 50% and reactive oxygen species decreased by 30%. In addition, there was a significant decrease in TNF-alpha, IL-6 and IL-1beta expression by about 25%. In conclusion, there was an improvement in the inflammatory status in all estrogen-treated groups through the duration of the experiment at all-time points. In addition, there was less tissue necrosis as depicted by less fibronectin and a marked antioxidant effect.
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Affiliation(s)
- I Hajj Hussein
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - A Eid
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - R Maksoud
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - S Jambart
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - T Bou Assi
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Z Zgheib
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - D Oueidat
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - N Chams
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - S Chams
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - R Diab
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - K Barada
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - R Jurjus
- George Washington University, Washington D.C., USA
| | | | | | - J Kreiker
- Lebanese University, Beirut, Lebanon
| | - A Leone
- University of Palermo, Italy
| | - A Jurjus
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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Tonetti J, van Overschelde J, Sadok B, Vouaillat H, Eid A. Percutaneous ilio-sacral screw insertion. fluoroscopic techniques. Orthop Traumatol Surg Res 2013; 99:965-72. [PMID: 24238905 DOI: 10.1016/j.otsr.2013.08.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/18/2013] [Indexed: 02/02/2023]
Affiliation(s)
- J Tonetti
- Service Orthopédie-Traumatologie, BP 217, 38043 Grenoble cedex 09, France.
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Ajani JA, Xiao L, Roth JA, Hofstetter WL, Walsh G, Komaki R, Liao Z, Rice DC, Vaporciyan AA, Maru DM, Lee JH, Bhutani MS, Eid A, Yao JC, Phan AP, Halpin A, Suzuki A, Taketa T, Thall PF, Swisher SG. A phase II randomized trial of induction chemotherapy versus no induction chemotherapy followed by preoperative chemoradiation in patients with esophageal cancer. Ann Oncol 2013; 24:2844-9. [PMID: 23975663 DOI: 10.1093/annonc/mdt339] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND The contribution of induction chemotherapy (IC) before preoperative chemoradiation for esophageal cancer (EC) is not known. We hypothesized that IC would increase the rate of pathologic complete response (pathCR). METHODS Trimodality-eligibile patients were randomized to receive no IC (Arm A) or IC (oxaliplatin/FU; Arm B) before oxaliplatin/FU/radiation. Surgery was attempted ∼5-6 weeks after chemoradiation. The pathCR rate, post-surgery 30-day mortality, overall survival (OS), and toxic effects were assessed. Bayesian methods and Fisher's exact test were used. RESULTS One hundred twenty-six patients were randomized dynamically to balance the two arms for histology, baseline stage, gender, race, and age. Fifty-five patients in Arm A and 54 in Arm B underwent surgery. The median actuarial OS for all patients (54 deaths) was 45.62 months [95% confidence interval (CI), 27.63-NA], with median OS 45.62 months (95% CI 25.56-NA) in Arm A and 43.68 months (95% CI 27.63-NA) in Arm B (P = 0.69). The pathCR rate in Arm A was 13% (7 of 55) and 26% (14 of 54) in Arm B (two-sided Fisher's exact test, P = 0.094). Safety was similar in both arms. CONCLUSIONS These data suggest that IC produces non-significant increase in the pathCR rate and does not prolong OS. Further development of IC before chemoradiation may not be beneficial. Clinical trial no.: NCT 00525915 (www.clinicaltrials.gov).
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Affiliation(s)
- J A Ajani
- Departments of Gastrointestinal Medical Oncology
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Rabattu PY, Courvoisier A, Bourgeois E, Eid A, Durand C, Griffet J. Spica cast as an alternative to general anesthesia for lower limb MRI in young children. J Orthop Traumatol 2013; 15:55-8. [PMID: 23797389 PMCID: PMC3948507 DOI: 10.1007/s10195-013-0251-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Accepted: 06/04/2013] [Indexed: 11/09/2022] Open
Abstract
Background The conventional approach for MRI procedures in very young children is to use general anesthesia which comes with inherent risks. Non-pharmacological strategies to reduce anxiety in children have also been described, but they all require patient cooperation. The purpose of the study was to evaluate the ability to complete diagnosis using temporary spica cast immobilization (TSCI) in children less than 3 years old undergoing MRI procedures for lower limb disorders. Materials and methods A retrospective review identified 14 children under 3 years old that had required an MRI for a lower limb disorder, using TSCI. The MRI procedure was performed for evaluation of hip dysplasia, bone infections, limping, evaluation of soft tissue tumor and femoral head osteonecrosis. A spica cast was fitted by the pediatric orthopedic team. The MRI procedure was subsequently performed. Results Diagnosis was achieved in all cases. The radiologist identified movement artifacts (14 %) that did not impair the image quality enough to prevent interpretation. Conclusion TSCI is a safe, effective and costless procedure avoiding general anesthesia for young patients under 3 years old who require MRI for pelvis or lower limb disorders. Level of evidence IV.
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Nassif J, Mattar S, Abu Musa A, Eid A. Endometriosis and cancer: what do we know? Minerva Ginecol 2013; 65:167-179. [PMID: 23598782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Endometriosis is the presence of endometriotic tissue outside of the uterus, composed of endometriotic glands and stroma. It affects between 10% to 12% of women in reproductive age. It presents with dysmenorrhea, dyspareunia, chronic pelvic pain, infertility, urinary or digestive symptoms. Diagnosis is based on clinical suspicion, clinical exam, pelvic ultrasound or pelvic magnetic resonance, and confirmed by laparoscopy with pathology studies. Its management is better understood nowadays. However, its association with neoplasia has been questioned for many years. It probably plays a role in the etiology of gynecological cancers, mainly ovarian neoplasia. In our review, we separately compared endometriosis and endometrioma to cancer, in terms of mutual causality, common risk factors, distinction based on histological findings, in addition to molecular and genetic pathways behind this association. This article reviews the English literature for studies on the association between endometriosis and gynecological cancers. Additional reports were collected by systematically reviewing all references from retrieved papers.
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Affiliation(s)
- J Nassif
- Obstetrics and Gynecology Department, American University of Beirut Medical Center, Beirut, Lebanon.
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Nayak BK, Feliers D, Sudarshan S, Friedrichs WE, Day RT, New DD, Fitzgerald JP, Eid A, Denapoli T, Parekh DJ, Gorin Y, Block K. Stabilization of HIF-2α through redox regulation of mTORC2 activation and initiation of mRNA translation. Oncogene 2012; 32:3147-55. [PMID: 22869144 PMCID: PMC3696051 DOI: 10.1038/onc.2012.333] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
HIF-2alpha plays a critical role in renal tumorigenesis. HIF-2alpha is stabilized in Von Hippel-Lindau (VHL)-deficient renal cell carcinoma through mechanisms that require ongoing mRNA translation. Mammalian target of Rapamycin (mTOR) functions in two distinct complexes, Raptor-associated mTORC1 and Rictor-associated mTORC2. Rictor-associated mTORC2 complex has been linked to maintaining HIF-2alpha protein in the absence of VHL, however the mechanisms remain to be elucidated. Although Raptor-associated mTORC1 is a known key upstream regulator of mRNA translation, initiation and elongation, the role of mTORC2 in regulating mRNA translation, is not clear. Complex assembly of the mRNA cap protein, eIF4E, with activators (eIF4G) and inhibitors (4E-BP1) are rate-limiting determinants of mRNA translation. Our laboratory has previously demonstrated that reactive oxygen species, mediated by p22phox-based Nox oxidases, are enhanced in VHL-deficient cells and play a role in the activation of Akt on S473, a site phosphorylated by the mTORC2 complex. In this study, we examined the role of Rictor-dependent regulation of HIF-2alpha through eIF4E-dependent mRNA translation and examined the effects of p22phox-based Nox oxidases on TORC2 regulation. We demonstrate for the first time that mTORC2 complex stability and activation is redox sensitive and further defined a novel role for p22phox-based Nox oxidases in eIF4E-dependent mRNA translation through mTORC2. Furthermore, we provide the first evidence that silencing of p22phox reduces HIF-2alpha-dependent gene targeting in vitro and tumor formation in vivo. The clinical relevance of these studies is demonstrated.
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Affiliation(s)
- B K Nayak
- Department of Medicine, University of Texas Health Science Center, San Antonio, TX, USA
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Eid A. 316 Cyclic AMP Inhibits the Malignant Phenotype of Human Colon Cancer Cells Via an Epac-dependent Mechanism. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71008-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Al Dhaheri Y, Eid A, Arafat K, Khasawna M, Hisaindee S, Attoub S, Iratni R. 971 Origanum Majorana Extract Induces Apoptosis and Suppresses Migration and Invasion of MDA-MB-231 Human Breast Cancer Cell Line Through Inactivation of the NFkB Pathway. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71589-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mazeh H, Mizrahi I, Yair L, Ghanem M, Armon Y, Vromen A, Eid A, Udassin R. Comparison of Pediatric Appendectomy Outcomes Between Pediatric Surgeons and General Surgery Residents. J Surg Res 2012. [DOI: 10.1016/j.jss.2011.11.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Sameh W, Eid A. UP-03.215 Pressure Transmission Through Ureteric Stents: A Novel In-Vivo Human Study. Urology 2011. [DOI: 10.1016/j.urology.2011.07.1303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Sameh W, Hashaad M, Eid A, Atta M. UP-01.162 Recurrence Pattern in Patients with Locally Advanced Renal Cell Carcinoma (LARCC): Implications of Clinico-Pathologic Variables. Urology 2011. [DOI: 10.1016/j.urology.2011.07.714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Mazeh H, Halle D, Ilyayev N, Stojadinovic A, Mitrani-Rosenbaum S, Roistacher M, Mizrahi I, Ariel I, Eid A, Freund H, Nissan A. Development of a MicroRNA Based Molecular Assay For The Detection Of Thyroid Cancer In FNAB Samples. J Surg Res 2011. [DOI: 10.1016/j.jss.2010.11.376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Badawy H, Saad A, Assem A, Eid A, Shaaran M, Aboyoussef T, Hanno A. VID-01.01: Laparoscopic Utilization of Intestinal Segments in the Management of Different Pediatric Genitourinary Diseases: Preliminary Report. Urology 2009. [DOI: 10.1016/j.urology.2009.07.735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Frenkel S, Nir I, Hendler K, Lotem M, Eid A, Jurim O, Pe'er J. Long-term survival of uveal melanoma patients after surgery for liver metastases. Br J Ophthalmol 2009; 93:1042-6. [PMID: 19429579 DOI: 10.1136/bjo.2008.153684] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AIMS To evaluate the posthepatectomy survival of uveal melanoma patients with liver metastases. METHODS Data were collected from the files in the Departments of Ophthalmology, General Surgery and Oncology, for uveal melanoma patients who were seen in the Ocular Oncology Clinic at the Hadassah Medical Center from 1988 to 2007. The main outcome was posthepatectomy survival. Statistical analysis was performed using JMP statistical software. RESULTS Of the 558 patients, 74 (13%) developed metastases after a median of 35.0 months from the initial diagnosis. Thirty-five patients underwent hepatectomy. These patients had similar clinical characteristics as those who did not undergo hepatectomy. The median survival time from the detection of metastasis was 3.7-fold higher in the operated patients in comparison with the non-operated patients. Posthepatectomy survival of patients who were found in surgery to have 1-5 metastatic nodules was 3.1 times longer than those with six or more lesions. The hepatectomies of 13 patients resulted in complete resection of the hepatic metastases with clean histological margins (R0). These patients survived 1.9 times longer than those with residual disease (R1/R2). CONCLUSION It is possible to extend significantly the life expectancy of uveal melanoma patients who develop isolated hepatic metastases by complete resection of the lesions.
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Affiliation(s)
- S Frenkel
- Department of Ophthalmology, Hadassah University Medical Center, PO Box 12000, Jerusalem 91120, Israel
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Courvoisier A, Piolat C, Nugues F, Eid A, Merloz P. [Post-traumatic limping in an adolescent]. Arch Pediatr 2008; 15:1446, 1486-7. [PMID: 18684597 DOI: 10.1016/j.arcped.2008.06.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2008] [Accepted: 06/15/2008] [Indexed: 10/21/2022]
Affiliation(s)
- A Courvoisier
- Service d'orthopédie et traumatologie (orthopédie pédiatrique), hôpital Nord, CHU de Grenoble, BP 217, 38043 Grenoble cedex 9, France.
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Merloz P, Troccaz J, Vouaillat H, Vasile C, Tonetti J, Eid A, Plaweski S. Fluoroscopy-based navigation system in spine surgery. Proc Inst Mech Eng H 2007; 221:813-20. [DOI: 10.1243/09544119jeim268] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The variability in width, height, and spatial orientation of a spinal pedicle makes pedicle screw insertion a delicate operation. The aim of the current paper is to describe a computer-assisted surgical navigation system based on fluoroscopic X-ray image calibration and three-dimensional optical localizers in order to reduce radiation exposure while increasing accuracy and reliability of the surgical procedure for pedicle screw insertion. Instrumentation using transpedicular screw fixation was performed: in a first group, a conventional surgical procedure was carried out with 26 patients (138 screws); in a second group, a navigated surgical procedure (virtual fluoroscopy) was performed with 26 patients (140 screws). Evaluation of screw placement in every case was done by using plain X-rays and post-operative computer tomography scan. A 5 per cent cortex penetration (7 of 140 pedicle screws) occurred for the computer-assisted group. A 13 per cent penetration (18 of 138 pedicle screws) occurred for the non computer-assisted group. The radiation running time for each vertebra level (two screws) reached 3.5s on average in the computer-assisted group and 11.5s on average in the non computer-assisted group. The operative time for two screws on the same vertebra level reaches 10 min on average in the non computer-assisted group and 11.9 min on average in the computer-assisted group. The fluoroscopy-based (two-dimensional) navigation system for pedicle screw insertion is a safe and reliable procedure for surgery in the lower thoracic and lumbar spine.
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Affiliation(s)
- P Merloz
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
| | - J Troccaz
- Equipe GMCAO - Laboratoire TIMC/IMAG (Université Joseph Fourier - CNRS UMR 5525), Institut d'Ingénierie de l'information de Santé Faculté de Médecine, La Tronche Cedex, France
| | - H Vouaillat
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
| | - C Vasile
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
| | - J Tonetti
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
| | - A Eid
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
| | - S Plaweski
- University Department of Orthopaedic and Trauma Surgery, CHU A. Michallon, Grenoble, France
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Hejaili F, Juhani A, Flaiw A, Ghamdi G, Jondeby M, Eid A, Jaradat M, Shaheen F, Al Khader A. Is there a bias against women in kidney transplantation practices in Saudi Arabia? EXP CLIN TRANSPLANT 2006; 4:571-3. [PMID: 17238861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
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Tonetti J, Cazal C, Eid A, Badulescu A, Martinez T, Vouaillat H, Merloz P. [Neurological damage in pelvic injuries: a continuous prospective series of 50 pelvic injuries treated with an iliosacral lag screw]. ACTA ACUST UNITED AC 2004; 90:122-31. [PMID: 15107699 DOI: 10.1016/s0035-1040(04)70033-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
PURPOSE OF THE STUDY The purpose of this study was to analyze lesions to the lumbosacral plexus related to pelvic injury and its treatment. MATERIAL AND METHODS Forty-four patients presented 50 posterior osteoligamentary lesions of the pelvic girdle. All patients except eight had other injuries. Mean ISS was 27/75. Posterior lesions were: iliosacral disjunction (n=23), extra-foraminal fracture of the sacrum (n=4), transforaminal fracture (n=22), intra-foraminal fracture (n=1). Vertical posterior displacement was > 1 cm for 24 posterior lesions. Orthopedic reduction was performed at admission for all patients. Fluoroscopy-guided percutaneous lag screw fixation was performed in all cases, on the average eight days after the accident. Neurological involvement was evaluated at admission, after surgery, and at last follow-up. Data were recorded for skeletal muscles, lower limb dermatomes, tendon reflexes, and anal tone. Screw emplacement was checked on the CT-scan. Outcome was assessed subjectively with the Majeed score, a self-administered visual analog scale, and use of antalgesic drugs according to the WHO classification. RESULTS The neurological examination could not be performed for ten patients at admission. Postoperatively, there was a neurological deficit associated with 26 osteoligamentary lesions (23 lesions of the lumbosacral trunk, 14 lesions of the S1 spinal nerve, 3 lesions of the pudendal nerve, 12 lesions of the superior gluteal nerve, and 10 lesions of the femoral nerve). Patients with neurological involvement had experienced more severe trauma. The iliosacral screw was partially extra-osseous in thirteen cases, with an associated iatrogenic neurological deficit in seven. At mean follow-up of 20 Months (range 4-50) there persisted ten major sequelae including eight cases of hallux extensor deficit. DISCUSSION Neurological involvement is underestimated during the acute phase of trauma. After recovery, only the manifestations of major injuries persist. The prognosis is poor in the event of a stretched lumbosacral trunk or gluteal nerve due to iliosacral disjunction. Prognosis is good for nerve contusion due to sacral fracture because of early reduction. The femoral nerve is generally injured by compression due to a peri-fracture hematoma; recovery is the rule. Iliosacral screwing requires rigorous technique by a skilled and experienced surgeon. CONCLUSION About 52% of posterior osteoligamentary injuries are associated with neurological symptoms. After recovery, permanent deficit persists in 21.7%. The most common sequelae are hallux extensor and gluteus medius palsy due to stretching of the lumbosacral trunk.
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Affiliation(s)
- J Tonetti
- Service d'Orthopédie-Traumatologie, Hôpital Michallon, BP 217X, 38043 Grenoble Cedex 09.
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Rav-Acha M, Gur C, Ilan Y, Verstandig A, Eid A. [Budd-Chiari syndrome: updated treatment modalities]. Harefuah 2004; 143:372-6, 389. [PMID: 15190852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Budd-Chiari Syndrome (BCS) refers to hepatic venous outflow obstruction, resulting in simultaneous occurrence of hepatic congestion and portal hypertension, leading to a typical clinical triad consisting of right upper quadrant pain, hepatomegaly and ascites. Contrary to Asia and Africa, where BCS is caused primarily by an obstructing membranous web, BCS in the western world is considered a thrombotic complication of an underlying hypercoagulable state. Recognition of the contribution of hypercoagulability as a causative factor in BCS, has led to acknowledgement of the importance of anti-coagulant therapy in BCS. Indeed, a conservative approach consisting of diuretics and anti-coagulant therapy is considered an appropriate treatment strategy for the BCS patient, in the absence of significant hepatic insult. However, once disease progression is noted, based on clinical symptoms, hepatic laboratory disturbance or histological evidence of irreversible hepatic damage, a definite invasive treatment should be applied. The specific procedure to be used is dependent upon the extent of hepatic insult and the anatomical characteristics of the venous obstruction in any individual patient. In the absence of significant hepatic damage, one may employ surgical shunting or invasive roentgenic measures, such as TransJugular Intrahepatic Porto-Systemic Shunt procedure, for the decompression of the portal system. Alternatively, in cases of a single localized obstruction, one may use balloon angioplasty with stent insertion. In contrast, upon evidence of significant hepatic damage, liver transplantation becomes necessary. To date, numerous studies report excellent results regarding the success of liver transplantation for patients with advanced BCS disease accompanied by significant hepatic damage.
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Affiliation(s)
- M Rav-Acha
- Department of Internal Medicine A, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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Abstract
OBJECTIVES To present two practical techniques for three-dimensional (3D) modeling of the human jaw from a sequence of intra-oral images. DESIGN A data acquisition system consists of: 3D digitizing arm, CCD camera and a laser projector in addition to a software module of two 3D modeling techniques; shape from shading (SFS) and space carving (SC). SETTING AND SAMPLE POPULATION Several experiments have been conducted on a sample of students at the Computer Vision and Image Processing (CVIP) Laboratory at the University of Louisville, Louisville, KY. Other experiments were performed on solid models of human jaw. EXPERIMENTAL VARIABLE The SFS technique, using perspective projection and camera calibration, extracts the 3D information from a sequence of two-dimensional images of the jaw. Data fusion of range data and 3D registration techniques develop the complete jaw model. The SC approach is implemented on a sequence of calibrated images. On the two reconstructions, we fit a mesh model to the data, in order to create a solid 3D model. OUTCOME MEASURE The accuracy of the reconstructed 3D model of human jaw is calculated based on the measurements on real jaws. RESULTS The SFS-based technique seems to provide more faithful information about the shape of the tooth tops. However, the SC algorithm successfully reconstructed 3D models of the human jaw with sub-millimeter accuracy, which is as accurate as (or even better than) the first technique without using any range measurements or laser projectors. The average error in distance calculation was found to be 0.74 mm, which is an acceptable resolution for many orthodontics and maxillofacial applications. CONCLUSION Accurate 3D reconstruction of the human jaw enables many orthodontics and dental imaging research findings to be applied directly to a digital jaw model--not to a cast--using computer vision and medical imaging tools.
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Affiliation(s)
- A A Farag
- Electrical and computer Engineering Department, University of Louisville, Louisville, KY 40292, USA.
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Mechleb B, Khater F, Eid A, David G, Moorman JP. Late onset Ommaya reservoir infection due to Staphylococcus aureus: case report and review of Ommaya Infections. J Infect 2003; 46:196-8. [PMID: 12643873 DOI: 10.1053/jinf.2002.1111] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The Ommaya reservoir system has been used for the treatment of chronic central nervous system infections and intracranial tumors for more than three decades. The majority of reported Ommaya reservoir infections occur proximate to the time the device is accessed. A review of the literature reveals that late onset of reservoir infection is quite rare. We report a case of Ommaya reservoir infection due to Staphylococcus aureus that was diagnosed seven years after its insertion and usage for intracerebral non-Hodgkin's lymphoma and review the literature on the microbiology and management of Ommaya reservoir infections.
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Affiliation(s)
- B Mechleb
- Division of Infectious Diseases, Department of Internal Medicine, James H. Quillen College of Medicine, East Tennessee State University, James H. Quillen VAMC, Johnson City, TN, USA
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Rahamimov R, Nakache R, Ramadan R, Shabtai M, Zlotnik M, Eid A, Loewnthal R, Shabtai E, Boner G, Mor E. Preliminary results of non-cross-matched "old for old" kidney transplantation. Transplant Proc 2003; 35:647-8. [PMID: 12644079 DOI: 10.1016/s0041-1345(03)00021-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- R Rahamimov
- Nephrology Committee Israel Transplant Organization, Petah-Tiqva, Israel.
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Shibolet O, Ilan Y, Kalish Y, Safadi R, Ashur Y, Eid A, Shouval D, Wolf D. Late cytomegalovirus infection occurring two or more years following liver transplantation: a report of seven cases and review of the literature. Transplant Proc 2003; 35:663-4. [PMID: 12644085 DOI: 10.1016/s0041-1345(03)00088-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- O Shibolet
- Liver Unit, Department of Medicine, Hadassah University Hospital, Jerusalem, Israel
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Warren BL, Eid A, Singer P, Pillay SS, Carl P, Novak I, Chalupa P, Atherstone A, Pénzes I, Kübler A, Knaub S, Keinecke HO, Heinrichs H, Schindel F, Juers M, Bone RC, Opal SM. Caring for the critically ill patient. High-dose antithrombin III in severe sepsis: a randomized controlled trial. JAMA 2001; 286:1869-78. [PMID: 11597289 DOI: 10.1001/jama.286.15.1869] [Citation(s) in RCA: 853] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
CONTEXT Activation of the coagulation system and depletion of endogenous anticoagulants are frequently found in patients with severe sepsis and septic shock. Diffuse microthrombus formation may induce organ dysfunction and lead to excess mortality in septic shock. Antithrombin III may provide protection from multiorgan failure and improve survival in severely ill patients. OBJECTIVE To determine if high-dose antithrombin III (administered within 6 hours of onset) would provide a survival advantage in patients with severe sepsis and septic shock. DESIGN AND SETTING Double-blind, placebo-controlled, multicenter phase 3 clinical trial in patients with severe sepsis (the KyberSept Trial) was conducted from March 1997 through January 2000. PATIENTS A total of 2314 adult patients were randomized into 2 equal groups of 1157 to receive either intravenous antithrombin III (30 000 IU in total over 4 days) or a placebo (1% human albumin). MAIN OUTCOME MEASURE All-cause mortality 28 days after initiation of study medication. RESULTS Overall mortality at 28 days in the antithrombin III treatment group was 38.9% vs 38.7% in the placebo group (P =.94). Secondary end points, including mortality at 56 and 90 days and survival time in the intensive care unit, did not differ between the antithrombin III and placebo groups. In the subgroup of patients who did not receive concomitant heparin during the 4-day treatment phase (n = 698), the 28-day mortality was nonsignificantly lower in the antithrombin III group (37.8%) than in the placebo group (43.6%) (P =.08). This trend became significant after 90 days (n = 686; 44.9% for antithrombin III group vs 52.5% for placebo group; P =.03). In patients receiving antithrombin III and concomitant heparin, a significantly increased bleeding incidence was observed (23.8% for antithrombin III group vs 13.5% for placebo group; P<.001). CONCLUSIONS High-dose antithrombin III therapy had no effect on 28-day all-cause mortality in adult patients with severe sepsis and septic shock when administered within 6 hours after the onset. High-dose antithrombin III was associated with an increased risk of hemorrhage when administered with heparin. There was some evidence to suggest a treatment benefit of antithrombin III in the subgroup of patients not receiving concomitant heparin.
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Affiliation(s)
- B L Warren
- Brown University School of Medicine, Infectious Disease Division, Memorial Hospital of Rhode Island, 111 Brewster St, Pawtucket, RI 02860, USA
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Abstract
BACKGROUND In Wolfram syndrome insulin-dependent diabetes is associated with a multisystem neurodegenerative disorder. There are no prior reports of kidney transplantation in patients with Wolfram syndrome. METHODS Kidney transplantation was undertaken in a child with dysplastic kidneys, sensorineural hearing impairment and bilateral optic atrophy-a combination of features insufficient to define Wolfram syndrome. RESULTS After the procedure diabetes mellitus, diabetes insipidus and urinary bladder dysfunction emerged, thereby revealing Wolfram syndrome. CONCLUSIONS We discuss the etiology of our patient's postoperative events, and conclude that kidney transplantation may expose dormant manifestations-or aggravate existing manifestations-of Wolfram syndrome.
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Affiliation(s)
- I Z Ben-Dov
- Department of Surgery, Hadassah Hospital, Hebrew University School of Medicine, Jerusalem, Israel
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Affiliation(s)
- O Shibolet
- Liver Unit, Department of Medicine, Hadassah University Hospital, Jerusalem, Israel
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49
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Affiliation(s)
- A Bishara
- Tissue Typing Unit, Hadassah Medical Center, Jerusalem, Israel
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50
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Kolker O, Galun E, Melhem A, Ilan Y, Eid A, Jurim O, Ashun Y, Safadi R. Primary biliary cirrhosis and liver transplantation. Transplant Proc 2001; 33:2932. [PMID: 11543795 DOI: 10.1016/s0041-1345(01)02256-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- O Kolker
- Liver Unit, Hadassah Medical Center, Jerusalem, Israel
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