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Lyimo A, Mmbaga B, Mahmoud A, Eliamini WS, Ngowi NB, Mitao M, Pancras G, Malindisa E, Kidayi P, Conserve DF, Bartlett J, Sunguya B, Lyamuya E, Kidenya B, Balandya E, Ngocho JS. Efficacy of mobile phone intervention to increase male partner antenatal care attendance for HIV testing in Moshi municipal, Tanzania: a randomized controlled trial. BMC Pregnancy Childbirth 2024; 24:306. [PMID: 38658860 PMCID: PMC11040948 DOI: 10.1186/s12884-024-06337-x] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 02/08/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND HIV partner counselling and testing in antenatal care (ANC) is a crucial strategy to raise the number of males who know their HIV status. However, in many settings like Tanzania, male involvement in antenatal care remains low, and there is a definite need for innovative strategies to increase male partner involvement. This study was designed to evaluate the efficacy of mobile phone intervention increase male partner ANC attendance for HIV testing in Moshi municipal, Tanzania. METHODS Between April and July 2022, we enrolled pregnant women presenting to a first ANC visit at Majengo and St. Joseph reproductive health facilities without their male partners. Eligible pregnant women were randomly assigned to invitation of their male partners either via phone calls, text messages from clinic staff and verbal invites from pregnant partners (intervention arm) or verbal invites only from the pregnant partners (control arm). Neither healthcare provider nor participant were blinded. The primary outcome was the proportion of male partners who attended ANC with their pregnant partners during a follow-up period of two consecutive visits. The secondary outcome measure was HIV testing among male partners following the invitation. Participants were analyzed as originally assigned (intention to treat). RESULTS A total of 350 pregnant women presenting to ANC for the first time were enrolled, with 175 women enrolled in each arm. The efficacy of male attendance with their pregnant women following the invitations was 83.4% (147/175) in the intervention arm and 46.3% (81/175) in the control arm. Overall, the results suggest a positive and statistically significant average treatment effect among men who received mobile phone intervention on ANC attendance. For the secondary outcome, the percent of male partners who accepted HIV counselling and testing was 99.3% (146/147) in the intervention arm and 93.8% (76/81) in the control arm. Married men were having higher odds of ANC attendance compared with single men (aOR:6.40(3.26-12.56), Males with multigravida women were having lower odds of ANC attendance compared with primigravida women (aOR:0.17(0.09-0.33). CONCLUSION The study demonstrates that supplementing verbal invitations with mobile phone calls and text messages from clinic staff can significantly increase male partner ANC attendance and HIV testing. This combined approach is recommended in improving ANC attendance and HIV testing of male partners who do not accompany their pregnant partners to antenatal clinics in the first visits. TRIAL REGISTRATION PACTR202209769991162.
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Affiliation(s)
- Angela Lyimo
- Faculty of Nursing, Kilimanjaro Christian Medical University College, Box 2240, Moshi, Tanzania.
| | - Blandina Mmbaga
- Kilimanjaro Clinical Research Institute, Box 2236, Moshi, Tanzania
| | - Ashraf Mahmoud
- Faculty of Medicine, Kilimanjaro Christian Medical University College, Box 2240, Moshi, Tanzania
| | - Wilson Saimon Eliamini
- Faculty of Nursing, Kilimanjaro Christian Medical University College, Box 2240, Moshi, Tanzania
| | | | - Modesta Mitao
- Kilimanjaro Clinical Research Institute, Box 2236, Moshi, Tanzania
| | - Godwin Pancras
- Muhimbili University of Health and Allied Science, Box 65001, Dar es Salam, Tanzania
| | | | - Paulo Kidayi
- Faculty of Nursing, Kilimanjaro Christian Medical University College, Box 2240, Moshi, Tanzania
| | - Donaldson F Conserve
- Milken Institute of Public Health, The George Washington University, Washington, DC, USA
| | | | - Bruno Sunguya
- Muhimbili University of Health and Allied Science, Box 65001, Dar es Salam, Tanzania
| | - Eligius Lyamuya
- Muhimbili University of Health and Allied Science, Box 65001, Dar es Salam, Tanzania
| | - Benson Kidenya
- Catholic University of Health and Allied Science, Box 1464, Mwanza, Tanzania
| | - Emmanuel Balandya
- Muhimbili University of Health and Allied Science, Box 65001, Dar es Salam, Tanzania
| | - James Samwel Ngocho
- Department of Epidemiology and Applied Biostatistics, Institute of Public Health, Kilimanjaro Christian Medical University College, Box 2240, Moshi, Tanzania
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Dawoud A, Elmasri RA, Mohamed AH, Mahmoud A, Rostom MM, Youness RA. Involvement of CircRNAs in regulating The "New Generation of Cancer Hallmarks": A Special Depiction on Hepatocellular Carcinoma. Crit Rev Oncol Hematol 2024; 196:104312. [PMID: 38428701 DOI: 10.1016/j.critrevonc.2024.104312] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 02/01/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024] Open
Abstract
The concept of 'Hallmarks of Cancer' is an approach of reducing the enormous complexity of cancer to a set of guiding principles. As the underlying mechanism of cancer are portrayed, we find that we gain insight and additional aspects of the disease arise. The understanding of the tumor microenvironment (TME) brought a new dimension and led to the discovery of novel hallmarks such as senescent cells, non-mutational epigenetic reprogramming, polymorphic microbiomes and unlocked phenotypic plasticity. Circular RNAs (circRNAs) are single-stranded, covalently closed RNA molecules that are ubiquitous across all species. Recent studies on the circRNAs have highlighted their crucial function in regulating the formation of human malignancies through a range of biological processes. The primary goal of this review is to clarify the role of circRNAs in the most common form of liver cancer, hepatocellular carcinoma (HCC). This review also addressed the topic of how circRNAs affect HCC hallmarks, including the new generation hallmarks. Finally, the enormous applications that these rapidly expanding ncRNA molecules serve in the functional and molecular development of effective HCC diagnostic biomarkers and therapeutic targets.
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Affiliation(s)
- A Dawoud
- Molecular Genetics and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), 11835, New Administrative Capital, Egypt; School of Medicine, University of North California, Chapel Hill, NC 27599, USA
| | - R A Elmasri
- Molecular Genetics and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), 11835, New Administrative Capital, Egypt
| | - A H Mohamed
- Molecular Genetics and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), 11835, New Administrative Capital, Egypt; Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt
| | - A Mahmoud
- Molecular Genetics and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), 11835, New Administrative Capital, Egypt; Biotechnology School, Nile University, Giza 12677, Egypt
| | - M M Rostom
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Biotechnology, German University in Cairo (GUC), Cairo 11835, Egypt
| | - R A Youness
- Molecular Genetics and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), 11835, New Administrative Capital, Egypt.
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Gordilho JO, Miyamoto D, Maruta CW, Santo RM, Mahmoud A, Navarro-Rodriguez T, Werneck-Silva AL, de Aguiar LM, Borges IC, Santi CG, Aoki V. Persistence of IgG4 as a potential serological marker of disease activity in patients with epidermolysis bullosa acquisita treated with rituximab. J Eur Acad Dermatol Venereol 2024; 38:e45-e47. [PMID: 37565448 DOI: 10.1111/jdv.19413] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023]
Affiliation(s)
- J O Gordilho
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - D Miyamoto
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - C W Maruta
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - R M Santo
- Department of Ophthalmology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - A Mahmoud
- Department of Otorhinolaryngology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - T Navarro-Rodriguez
- Department of Gastroenterology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - A L Werneck-Silva
- Department of Gastroenterology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - L M de Aguiar
- Department of Ginecology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - I C Borges
- Department of Infectious Diseases, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - C G Santi
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - V Aoki
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, Sao Paulo, SP, Brazil
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Shariff S, Uwishema O, Mizero J, Devi Thambi V, Nazir A, Mahmoud A, Kaushik I, Khayat S, Yusif Maigoro A, Awde S, Al Maaz Z, Alwan I, Hijazi M, Wellington J, Soojin L. Long-term cognitive dysfunction after the COVID-19 pandemic: a narrative review. Ann Med Surg (Lond) 2023; 85:5504-5510. [PMID: 37915705 PMCID: PMC10617879 DOI: 10.1097/ms9.0000000000001265] [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: 03/30/2023] [Accepted: 08/23/2023] [Indexed: 11/03/2023] Open
Abstract
Introduction SARS-CoV-2, the virus responsible for the COVID-19 pandemic, has brought a conglomerate of novel chronic disabling conditions described as 'Long COVID/Post-COVID-19 Syndrome'. Recent evidence suggests that the multifaceted nature of this syndrome results in both pulmonary and extrapulmonary sequelae,chronic dyspnoea, persistent fatigue, and cognitive dysfunction being the most common, debilitating symptoms. Several mechanisms engender or exacerbate cognitive impairment, including central nervous system and extra-central nervous system causes, although the exact mechanism remains unclear. Both hospitalized and non-hospitalized patients may suffer varying degrees of cognitive impairment, ranging from fatigue and brain fog to prolonged deficits in memory and attention, detrimental to the quality-of-life years post-recovery. The aim of this review is to understand the underlying mechanisms, associations, and attempts for prevention with early intervention of long-term cognitive impairment post-COVID-19. Methodology A systematic search was conducted through multiple databases such as Medline, National Library of Medicine, Ovid, Scopus database to retrieve all the articles on the long-term sequalae of cognitive dysfunction after SARS-CoV-2 infection. The inclusion criteria included all articles pertinent to this specific topic and exclusion criteria subtracted studies pertaining to other aetiologies of cognitive dysfunction. This search was carefully screened for duplicates and the relevant information was extracted and analysed. Results/discussion To date, the exact pathogenesis, and underlying mechanisms behind cognitive dysfunction in COVID-19, remain unclear, hindering the development of adequate management strategies. However, the proposed mechanisms suggested by various studies include direct damage to the blood-brain barrier, systemic inflammation, prolonged hypoxia, and extended intensive care admissions. However, no clear-cut guidelines for management are apparent. Conclusion This review of the COVID-19 pandemic has elucidated a new global challenge which is affecting individuals' quality of life by inducing long-term impaired cognitive function. The authors have found that comprehensive evaluations and interventions are crucial to address the cognitive sequelae in all COVID-19 patients, especially in patients with pre-existing cognitive impairment. Nevertheless, the authors recommend further research for the development of relevant, timely neurocognitive assessments and treatment plans.
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Affiliation(s)
- Sanobar Shariff
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Yerevan State Medical University, Yerevan, Armenia
| | - Olivier Uwishema
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Clinton Global Initiative University, NY
- Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Jocelyn Mizero
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, University of Ghana Medical School, Accra, Ghana
| | - Vimala Devi Thambi
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- R- endo Inc, Hamilton, NJ & Dr. NTR University Health Sciences
| | - Abubakar Nazir
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Department of Medicine, King Edward Medical University, Lahore, Pakistan
| | - Ashraf Mahmoud
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Kilimanjaro Christian Medical University College KCMUCo, Tanzania
| | - Ikshwaki Kaushik
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, David Tvildiani Medical University, Tbilisi, Georgia
| | - Saadeddine Khayat
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Abdulkadir Yusif Maigoro
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon, Korea
| | - Sara Awde
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Zeina Al Maaz
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Iktimal Alwan
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Mahdi Hijazi
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Jack Wellington
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Faculty of Medicine, Cardiff University School of Medicine, Cardiff University, Cardiff, UK
| | - Lee Soojin
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon, Korea
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Manning F, Mahmoud A, Meertens R. Understanding patient views and acceptability of predictive software in osteoporosis identification. Radiography (Lond) 2023; 29:1046-1053. [PMID: 37734275 DOI: 10.1016/j.radi.2023.08.011] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/21/2023] [Accepted: 08/28/2023] [Indexed: 09/23/2023]
Abstract
INTRODUCTION Research into patient and public views on predictive software and its use in healthcare is relatively new. This study aimed to understand older adults' acceptability of an opportunistic bone density assessment for osteoporosis diagnosis (IBEX BH), views on its integration into healthcare, and views on predictive software and AI in healthcare. METHODS Focus groups were conducted with participants aged over 50 years, based in South West England. Data were analysed using thematic analysis. Analysis was informed by the theoretical framework of acceptability. RESULTS Two focus groups were undertaken with a total of 14 participants. Overall, the participants were generally positive about the IBEX BH software, and predictive software's in general stating 'it sounds like a brilliant idea'. Although participants did not understand the intricacies of the software, they did not feel they needed to. Concerns about IBEX BH focussed more on the clinical indications of the software (e.g. more scans or medications), with participants expressing less trust in results if they indicated medication. Questions were also raised about how and who would receive the results of this software. Individual choice was evident in these discussions, however most indicated the preferences for spoken communication 'But I would expect that these results would be given by a human to another human.' CONCLUSIONS Focus group participants were generally accepting of the use of predictive software in healthcare. IMPLICATIONS FOR PRACTICE Thought and care needs to be taken when integrating predictive software into practice. Focusses on empowering patients, providing information on processes and results are key.
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Affiliation(s)
- F Manning
- Department of Health and Care Professions, University of Exeter Medical School, University of Exeter, Exeter, UK.
| | - A Mahmoud
- Department of Health and Community Sciences, University of Exeter Medical School, University of Exeter, Exeter, UK.
| | - R Meertens
- Department of Health and Care Professions, University of Exeter Medical School, University of Exeter, Exeter, UK.
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Moorman AR, Cambuli F, Benitez EK, Jiang Q, Xie Y, Mahmoud A, Lumish M, Hartner S, Balkaran S, Bermeo J, Asawa S, Firat C, Saxena A, Luthra A, Sgambati V, Luckett K, Wu F, Li Y, Yi Z, Masilionis I, Soares K, Pappou E, Yaeger R, Kingham P, Jarnagin W, Paty P, Weiser MR, Mazutis L, D'Angelica M, Shia J, Garcia-Aguilar J, Nawy T, Hollmann TJ, Chaligné R, Sanchez-Vega F, Sharma R, Pe'er D, Ganesh K. Progressive plasticity during colorectal cancer metastasis. bioRxiv 2023:2023.08.18.553925. [PMID: 37662289 PMCID: PMC10473595 DOI: 10.1101/2023.08.18.553925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Metastasis is the principal cause of cancer death, yet we lack an understanding of metastatic cell states, their relationship to primary tumor states, and the mechanisms by which they transition. In a cohort of biospecimen trios from same-patient normal colon, primary and metastatic colorectal cancer, we show that while primary tumors largely adopt LGR5 + intestinal stem-like states, metastases display progressive plasticity. Loss of intestinal cell states is accompanied by reprogramming into a highly conserved fetal progenitor state, followed by non-canonical differentiation into divergent squamous and neuroendocrine-like states, which is exacerbated by chemotherapy and associated with poor patient survival. Using matched patient-derived organoids, we demonstrate that metastatic cancer cells exhibit greater cell-autonomous multilineage differentiation potential in response to microenvironment cues than their intestinal lineage-restricted primary tumor counterparts. We identify PROX1 as a stabilizer of intestinal lineage in the fetal progenitor state, whose downregulation licenses non-canonical reprogramming.
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Paul IK, Nchasi G, Bulimbe DB, Mollel MK, Msafiri GG, Mbogo A, Mswanzari MB, Joseph M, Mahmoud A, Volkova A. Public health concerns about Tuberculosis caused by Russia/Ukraine conflict. Health Sci Rep 2023; 6:e1218. [PMID: 37077183 PMCID: PMC10108851 DOI: 10.1002/hsr2.1218] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 11/07/2022] [Revised: 03/29/2023] [Accepted: 04/04/2023] [Indexed: 04/21/2023] Open
Abstract
According to WHO, Ukraine has the fourth-highest Tuberculosis (TB) incidence in the WHO European region while globally has the fifth-highest number of confirmed cases of extensively drug-resistant TB. Before the Russian invasion in Ukraine several interventions have been employed to mitigate the TB epidemic in the country. However, the ongoing war has demolished meticulous efforts and subsequently worsen the situation. WHO in collaboration with the Ukraine government and other organizations such as EU and UK are required to take up arms against the situation. In this work, implications brought up from the war, efforts, and recommendations to battling TB epidemic due to the war are highlighted.
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Affiliation(s)
- Innocent K. Paul
- Department of MedicineCatholic University of Health and Allied SciencesMwanzaTanzania
| | - Goodluck Nchasi
- Department of MedicineCatholic University of Health and Allied SciencesMwanzaTanzania
| | | | - Meshack K. Mollel
- Department of Medicine and DentistryThe University of DodomaDodomaTanzania
| | - George G. Msafiri
- Department of Medicine and DentistryThe University of DodomaDodomaTanzania
| | - Alex Mbogo
- Department of Medicine, School of MedicineMuhimbili University of Health and Allied SciencesDar es SalaamTanzania
| | | | - Msengi Joseph
- Department of Medicine and DentistryThe University of DodomaDodomaTanzania
| | - Ashraf Mahmoud
- Department of MedicineKilimanjaro Christian Medical University CollegeKilimanjaroTanzania
| | - Anastasiia Volkova
- Department of Medicine, Faculty of MedicineLviv National Medical UniversityLviv OblasUkraine
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Mahmoud A, Oluyemisi A, Uwishema O, Sun J, Jobran AW, David S, Wireko AA, Adanur I, Dost B, Onyeaka H. Recent advances in the diagnosis and management of typhoid fever in Africa: A review. Int J Health Plann Manage 2023; 38:317-329. [PMID: 36457176 DOI: 10.1002/hpm.3599] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 03/23/2022] [Revised: 07/03/2022] [Accepted: 11/07/2022] [Indexed: 12/04/2022] Open
Abstract
Typhoid fever, a classical disease of enteric origin caused by Salmonella species of bacteria, is among the most important diseases threatening public health in Africa. The African continent is a marker for both low resources within the healthcare system and poor disease control policy formulations in managing endemic infectious diseases. Since the colonial era, the Widal serological test has been used to confirm typhoid fever in Africa, however recent studies recommend blood culture, and when blood culture cannot be obtained, clinical findings, laboratory Widal test confirmation, and ruling out other febrile illnesses as confirmatory pathway to diagnose typhoid fever in Africa. Managing typhoid fever relies on antimicrobials. In 1980s chloramphenicol was the medication of choice. Years later, amoxicillin and co-trimoxazole were adopted. However, the instantaneous rise of resistant strains of Salmonella enterica confers an important challenge to treat the burdensome enteric fever. The current treatment algorithm of typhoid fever in Africa relies significantly on the use of fluoroquinolones, macrolides, and cephalosporins. Developed nations have successfully addressed and controlled typhoid fever via improvement in accessing safe water and food, better sanitary and hygienic behaviours, and vaccines development. Nevertheless, there is significant evidence to infer improvement in the diagnosis management of typhoid fever over the last few decades, and efforts are underway to control the disease spread in Africa. This review aims to provide an overview of the latest developments in typhoid fever diagnosis and management in Africa and provide key recommendations for a coordinated approach to mitigate typhoid in the continent.
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Affiliation(s)
- Ashraf Mahmoud
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Medicine, Kilimanjaro Christian Medical University College KCMUCo, Moshi, Tanzania
| | - Adekunbi Oluyemisi
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria
| | - Olivier Uwishema
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Clinton Global Initiative University, New York, New York, USA.,Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Jeffrey Sun
- Clinton Global Initiative University, New York, New York, USA.,Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Afnan Waleed Jobran
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Medicine, Al-Quds University, Hebron, Palestine
| | - Success David
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Nigeria
| | - Andrew Awuah Wireko
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Medicine, Sumy State University, Sumy, Ukraine
| | - Irem Adanur
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Burhan Dost
- Department of Anesthesiology, School of Medicine, Ondokuz Mayis University, Samsun, Turkey
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Birmingham, UK
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Ammari W, Bayoudh K, Khairallah M, Zaghdoudi A, Hbaieb O, Mahmoud A, Mbarek S, Messaoud R. [Role of optical coherence tomography in unilateral amblyopia]. J Fr Ophtalmol 2023; 46:348-355. [PMID: 36759251 DOI: 10.1016/j.jfo.2022.09.032] [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: 09/19/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 02/10/2023]
Abstract
PURPOSE To compare the macular and papillary parameters on optical coherence tomography (OCT) between the amblyopic eye and the healthy eye in subjects with unilateral strabismic or anisometropic amblyopia. PATIENTS AND METHODS This is a cross-sectional and comparative study carried out over two years, from April 1, 2019, to March 31, 2021. We included patients aged over 5years, followed for unilateral amblyopia, free of any neurological and/or ocular pathology. The evaluation of the macular and papillary parameters in the amblyopic and healthy eyes was performed with Swept-Source Optical Coherence Tomography (OCT-SS). The parameters were compared according to age group and type of amblyopia. RESULTS We collected 50 patients, 29 children, and 21 adults, with a mean age of 19.8years. Amblyopia was secondary to anisometropia in 40 patients and strabismus in 10 patients. Analysis of macular tomographic parameters found no significant difference between amblyopic eyes and healthy eyes for mean macular thickness (P=0.86), central macular thickness (P=0.86), or mean macular volume (P=0.54). The mean retinal peripapillary fiber thickness (RNFL) was 107.48μm in the amblyopic eye and 103.8μm in the healthy eye, with a statistically significant difference (P<0.001). This significant thickening of the RNFL in amblyopic eyes was present in adults (P<0.001), children (P<0.001), anisometropic (P<0.001), and strabismic amblyopia (P=0.024). Analysis of the other optic nerve head parameters revealed no significant difference between amblyopic eyes and healthy eyes in terms of optic disc surface area (P=0.89), neuro-retinal annulus surface area (P=0.47), vertical (P=0.98) or horizontal (P=0.74) cup to disc ratio. CONCLUSION Amblyopia is accompanied by thickening of the peripapillary retinal fibers without macular repercussions. However, larger prospective studies are needed to confirm these results.
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Affiliation(s)
- W Ammari
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie.
| | - K Bayoudh
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie
| | - M Khairallah
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie
| | - A Zaghdoudi
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie
| | - O Hbaieb
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie
| | - A Mahmoud
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie
| | - S Mbarek
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie
| | - R Messaoud
- Service d'ophtalmologie CHU Taher Sfar Mahdia, 5100 Jbel Dar Waja, Tunisie; Faculté de médecine de Monastir, Monastir, Tunisie
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10
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Nchasi G, Paul IK, Masunga D, Zangira K, Mahmoud A. Leptospirosis outbreak in Southern Tanzania: Should we be concerned? Infect Dis Health 2023; 28:142-144. [PMID: 36639291 DOI: 10.1016/j.idh.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 12/08/2022] [Accepted: 12/08/2022] [Indexed: 01/12/2023]
Affiliation(s)
- Goodluck Nchasi
- Catholic University of Health and Allied Science, Mwanza, Tanzania.
| | | | - Daniel Masunga
- Kilimanjaro Christian Medical University College, Kilimanjaro, Tanzania
| | - Kevin Zangira
- Catholic University of Health and Allied Science, Mwanza, Tanzania
| | - Ashraf Mahmoud
- Kilimanjaro Christian Medical University College, Kilimanjaro, Tanzania
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11
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Rizk M, Mahmoud A, Elazeem TA, Adly M. Prophylactic Sartorius Muscle Flap For Coverage of Prosthetic Vascular Grafts In the Groin: a Prospective Randomised Controlled Study. EJVES Vasc Forum 2023. [DOI: 10.1016/j.ejvsvf.2023.02.028] [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: 04/09/2023] Open
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12
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Rizk M, Youssef T, Mahmoud A, Meshref M. Risk Factors and Outcomes for Colonic Ischaemia After Abdominal Aortic Aneurism Repair: a Single Centre Experience. EJVES Vasc Forum 2023. [DOI: 10.1016/j.ejvsvf.2023.02.025] [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: 04/08/2023] Open
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13
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Abstract
An outbreak of Monkeypox detected in nonendemic regions outside Africa has received much attention around the globe. In this letter, we highlight epidemiology, pathogenesis, diagnosis, and recommendations to mitigate the spread of monkeypox.
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Affiliation(s)
- Ashraf Mahmoud
- Faculty of Medicine, Kilimanjaro Christian Medical University College, Kilimanjaro, Tanzania
| | - Goodluck Nchasi
- Catholic University of Health and Allied Sciences, Mwanza, Tanzania
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14
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Beg A, Mostafa SM, AbdulGhaffar A, Sheltami TR, Mahmoud A. An Adaptive and Spectrally Efficient Multi-Channel Medium Access Control Protocol for Dynamic Ad Hoc Networks. Sensors (Basel) 2022; 22:8666. [PMID: 36433263 PMCID: PMC9697958 DOI: 10.3390/s22228666] [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] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Medium access control (MAC) protocols in ad hoc networks have evolved from single-channel independent transmission mechanisms to multi-channel concurrent mechanisms to efficiently manage the demands placed on modern networks. The primary aim of this study is to compare the performance of popular multi-channel MAC (MMAC) protocols under saturated network traffic conditions and propose improvements to the protocols under these conditions. A novel, dynamically adaptive MMAC protocol was devised to take advantage of the performance capabilities of the evaluated protocols in changing wireless ad hoc network conditions. A simulation of the familiar MAC protocols was developed based on a validated simulation of the IEEE 802.11 standard. Further, the behaviors and performances of these protocols are compared against the proposed MMAC protocols with a varying number of ad hoc stations and concurrent wireless channels in terms of throughput, Jain's fairness index, and channel access delay. The results show that the proposed MMAC protocol, labeled E-SA-MMAC, outperforms the existing protocols in throughput by up to 11.9% under a constrained number of channels and in channel access delays by up to 18.3%. It can be asserted from these observations that the proposed approach provides performance benefits against its peers under saturated traffic conditions and other factors, such as the number of available wireless channels, and is suitable for dynamic ad hoc network deployments.
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Affiliation(s)
- Abdurrahman Beg
- Faculty of Information Technology, Monash University, Melbourne 3800, Australia
| | - Saud Mohammad Mostafa
- Department of Computer Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - AbdulAziz AbdulGhaffar
- Department of Systems and Computer Engineering, Carleton University, Ottawa, ON K1S 5B6, Canada
| | - Tarek R. Sheltami
- Department of Computer Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
- Interdisciplinary Research Center of Smart Mobility and Logistics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Ashraf Mahmoud
- Department of Computer Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
- Interdisciplinary Research Center of Smart Mobility and Logistics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
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15
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Nchasi G, Mwasha C, Shaban MM, Rwegasira R, Mallilah B, Chesco J, Volkova A, Mahmoud A. Ukraine's triple emergency: Food crisis amid conflicts and COVID-19 pandemic. Health Sci Rep 2022; 5:e862. [PMID: 36248349 PMCID: PMC9547114 DOI: 10.1002/hsr2.862] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/20/2022] [Accepted: 08/24/2022] [Indexed: 11/06/2022] Open
Abstract
Globally, both Russia and Ukraine play a key role in food production. Both countries are known for their meticulous positions in producing and exporting wheat, maize, sunflower seed oil, and cotton seed oil. Although the conflict between Russia and Ukraine has been going on for more than 5 years, the recent invasion of Russia in Ukraine has endangered food security in Ukraine during the COVID‐19 pandemic. As COVID‐19 cripples the healthcare infrastructure of Ukraine, food insecurity challenges the civilian population to migration. As the conflict intensitifes, damages to properties, loss of lives, rise of infectious diseases, incremental rise in energy prices, and fuel consumption are some of the possible consequences. This commentary aims to highlight the different ways in which access to food has been endangered, the implications that food crisis has on the world, and thus provide key recommendations on what needs to be addressed to mitigate the rising risks of the food crisis in the world.
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Affiliation(s)
- Goodluck Nchasi
- Department of MedicineCatholic University of Health and Allied ScienceMwanzaTanzania
| | - Carolyn Mwasha
- Department of Dentistry, School of DentistryMuhimbili University of Health and Allied SciencesDar es SalaamTanzania
| | | | - Rose Rwegasira
- Department of Mechanical EngineeringUniversity of Dar es SalaamDar es SalaamTanzania
| | - Benardine Mallilah
- Department of MedicineKilimanjaro Christian Medical University CollegeKilimanjaroTanzania
| | - Joshua Chesco
- Department of MedicineKilimanjaro Christian Medical University CollegeKilimanjaroTanzania
| | - Anastasiia Volkova
- Department of Medicine, Faculty of MedicineLviv National Medical UniversityLviv OblasUkraine
| | - Ashraf Mahmoud
- Department of MedicineKilimanjaro Christian Medical University CollegeKilimanjaroTanzania
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16
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Mahmoud A, Abid F, Mbarek S, Messaoud R. Double papille optique : vraie duplication ou colobome ? J Fr Ophtalmol 2022; 45:1240-1241. [DOI: 10.1016/j.jfo.2022.05.021] [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] [Received: 02/19/2022] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 11/07/2022]
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17
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Uwishema O, Frederiksen KS, Correia IFS, Mahmoud A, Onyeaka H, Dost B. The impact of COVID-19 on patients with neurological disorders and their access to healthcare in Africa: A review of the literature. Brain Behav 2022; 12:e2742. [PMID: 35951730 PMCID: PMC9480907 DOI: 10.1002/brb3.2742] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/24/2022] [Accepted: 07/26/2022] [Indexed: 02/04/2023] Open
Abstract
INTRODUCTION The coronavirus disease 2019 (COVID-19) pandemic has hampered the progress of neurological healthcare services for patients across Africa. Before the pandemic, access to these services was already limited due to elevated treatment costs among uninsured individuals, shortage of medicines, equipment, and qualified personnel, immense distance between residing areas and neurological facilities, and a limited understanding of neurological diseases and their presentation by both the health workers and the African population. METHODOLOGY The databases PubMed, Google Scholar, Science Direct, and the National Library of Medicine were searched for literature. All articles on neurological disorders in Africa were considered. AIM This review article explores the challenges of providing the best services for patients suffering from neurological disorders in Africa amid the COVID-19 pandemic and provides evidence-based recommendations. RESULTS As Africa's governments made more resources available to support patients affected by COVID-19, neurological care received less priority and the capacity and competency to treat patients with neurological disorders thus suffered substantially. Both short-term and long-term strategies are needed to improve the quality of neurological services after the pandemic in the region. CONCLUSION To strengthen Africa's neurological services capability during and after the COVID-19 pandemic, African governments must ensure appropriate healthcare resource allocation, perform neurology management training, and increase health security measures in medication supply. Long-term strategies include incorporating responsible finance and resource procurement and advancement of tele-neurology. International collaboration is essential to promote the sustainable improvement of neurological services in Africa.
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Affiliation(s)
- Olivier Uwishema
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of Projects and Research, Clinton Global Initiative University, New York City, New York, USA.,Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | | | - Inês F Silva Correia
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,School of Medicine, Faculty of Health, Education, Medicine & Social Care, Anglia Ruskin University, Chelmsford, UK
| | - Ashraf Mahmoud
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Faculty of Medicine, Kilimanjaro Christian Medical University College, Moshi, Tanzania
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Edgbaston, UK
| | - Burhan Dost
- Department of Anaesthesiology, School of Medicine, Ondokuz Mayis University, Kurupelit, Turkey
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18
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Uwishema O, Mahmoud A, Wellington J, Mohammed SM, Yadav T, Derbieh M, Arab S, Kolawole B. A review on acute, severe hepatitis of unknown origin in children: A call for concern. Ann Med Surg (Lond) 2022; 81:104457. [PMID: 36147181 PMCID: PMC9486726 DOI: 10.1016/j.amsu.2022.104457] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/14/2022] [Accepted: 08/14/2022] [Indexed: 11/06/2022] Open
Abstract
Hepatitis is defined as the inflammatory reaction of the liver parenchyma. It is either acute, which resolves within six months or may be chronic. An outbreak of severe, acute hepatitis of unknown origin in children was reported in nearly all World Health Organisation (WHO) regions except in the Africa. As per the recent update on the 26th of May, approximately 650 cases have met the WHO's probable criteria. While some are yet to be confirmed, the WHO warns that the figure may be underestimating the real situation. The observed clinical presentation includes outstanding immoderate levels of transaminases, vomiting from the previous presentation, pale/mild stools, and jaundice. So far, the viruses which can cause viral hepatitides, like Hepatitis A, B, C, D, and E, have not been detected in any of the identified cases. Some literature reported human enteric adenovirus type 41F in the majority of cases aged sixteen or younger, with few cases of co-infection with SARS-CoV-2. Currently, only several hypotheses have discussed the causality of the outbreak. However, no consensus has been reached. During this outbreak, it is important to adhere to both hand and body hygiene, general infection and control prevention strategies, and lastly, case presentation matching the criteria of case definition set by the WHO. Said identified cases should be reported to concerned health authorities on an urgent basis and must be kept under proper surveillance. Hepatitis is defined as the inflammatory reaction of the liver parenchyma. It is either acute, which resolves within six months or may be chronic. An outbreak of severe, acute hepatitis of unknown origin in children was reported in nearly all World Health Organisation (WHO) regions except in the Africa. Although extensive research has not been conducted on the rapidly-progressing AHUO in children, current literature has reported human enteric adenovirus type-41F in most cases aged sixteen or younger. Potential confounding coronavirus infection is one of several theories currently being considered in acute non-hepatitis A–E viral hepatitis origin. During this outbreak, it is important to adhere to both hand and body hygiene, general infection and control prevention strategies, and lastly, case presentation matching the criteria of case definition set by the WHO.
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19
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Uwishema O, Mahmoud A, Sun J, Correia IFS, Bejjani N, Alwan M, Nicholas A, Oluyemisi A, Dost B. Is Alzheimer's disease an infectious neurological disease? A review of the literature. Brain Behav 2022; 12:e2728. [PMID: 35879909 PMCID: PMC9392514 DOI: 10.1002/brb3.2728] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/12/2022] [Indexed: 01/22/2023] Open
Abstract
INTRODUCTION Alzheimer's disease (AD) is a leading cause of dementia around the globe. Its pathogenesis is characterized primarily by the extracellular deposition of amyloid β peptides and intracellular neurofibrillary tangles. Despite the significant investments in neurological research, the exact molecular mechanism of AD pathogenesis is still not fully elucidated. Several studies converge on a hypothesis that pathogenic microbes might play a role in AD progression. Although this hypothesis has been considered relatively weak for decades, it has recently received considerable attention due to increasing evidence on the association between microorganisms and AD. There is a lack of experimental and scientific arguments conveying that these microorganisms engender cognitive and neuropathological deficits and modifications specific to AD, challenging the theory that it could be an infectious neurological disease. This review focuses on recent advances in the infection hypothesis and provides an overview of new findings portraying the significance of pathogenic microbes in AD and the challenges confronting the validity of the hypothesis. METHODOLOGY Data were collected from medical journals published on PubMed, Ovid MEDLINE, ScienceDirect, and Embase bibliographical databases with a predefined search strategy. All articles considering neurological disorders, especially AD associated with infectious diseases, were included. RESULTS This work focused on providing an overview of new findings around the relationship between microorganisms and AD, challenges facing the validity of the theory, and recommendations on how the scientific community can best develop alternative approaches to address the pathophysiology of AD. CONCLUSION While many studies reinforce the suspicion of an infectious etiology of AD, it is important to note that it is yet not validated how microorganisms' presence in the brain can develop AD due to the limited available evidence. Certainly, ground-breaking work is mandatory in this field of research, and these reports so far warrant a thorough investigation into how a chronic infection may remain silent while progressing its neuroinflammation. Amid this uncertainty arises the hope that many researchers will take on this challenge and join this endeavor to benefit AD patients worldwide.
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Affiliation(s)
- Olivier Uwishema
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,Clinton Global Initiative University, New York, New York, USA.,Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Ashraf Mahmoud
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,Faculty of Medicine, Kilimanjaro Christian Medical University College, Moshi, Tanzania
| | - Jeffrey Sun
- Clinton Global Initiative University, New York, New York, USA.,Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Inês F Silva Correia
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,School of Medicine, Faculty of Health, Medicine, Education and Social Care, Anglia Ruskin University, Chelmsford, UK
| | - Niovi Bejjani
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,Faculty of Medicine, University of Saint Joseph of Beirut, Beirut, Lebanon
| | - Maria Alwan
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Aderinto Nicholas
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,Department of Medicine and Surgery, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
| | - Adekunbi Oluyemisi
- Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda.,School of Public and Allied Health, Babcock University, Ilishan-Remo, Nigeria
| | - Burhan Dost
- Department of Anesthesiology, School of Medicine, Ondokuz Mayis University, Samsun, Turkey
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20
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Hussein R, Al Shafey A, Kheir El Din N, Mahmoud A, Abd Al hady E. Orofacial pigmentation in hemodialysis patients: A Case Control Study. Egyptian Dental Journal 2022; 68:2397-2408. [DOI: 10.21608/edj.2022.135904.2094] [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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21
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Uwishema O, Sujanamulk B, Abbass M, Fawaz R, Javed A, Aboudib K, Mahmoud A, Oluyemisi A, Onyeaka H. Russia-Ukraine conflict and COVID-19: a double burden for Ukraine's healthcare system and a concern for global citizens. Postgrad Med J 2022; 98:569-571. [PMID: 35654572 PMCID: PMC9340026 DOI: 10.1136/postgradmedj-2022-141895] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 05/03/2022] [Accepted: 05/14/2022] [Indexed: 01/25/2023]
Abstract
The conflict between Ukraine and Russia significantly influences the healthcare sector. The ongoing COVID-19 pandemic and the armed conflict have badly devastated the established healthcare system. Only 36.08% of the Ukrainian population has received the COVID-19 vaccination, with the majority receiving two doses, and currently, Ukraine records the highest mortality rate in the world. In addition to the conflict injuries, increased susceptible deaths to COVID-19 can be found due to inadequate vaccination rates for the disease. To save their lives and for their well-being, many individuals have been relocating to the underground metro stations, other cities, nearby towns and countries. In these settings, social distancing, hand sanitation and wearing masks are not prioritised. In the current circumstances, the broken healthcare system needs to be rebuilt, and the Non-Governmental Organizations (NGOs), doctors and all the front-line workers should extend their humanitarian support to the Ukrainian population. Conclusion: It is an arduous task for healthcare organisations to supply vaccines and medicines in this ‘armed conflict’ between Russia and Ukraine. This can only happen when both parties extend their support to rebuild the shattered healthcare infrastructure.
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Affiliation(s)
- Olivier Uwishema
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda .,Department of General Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Bhavana Sujanamulk
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of Oral Medicine and Radiology, DRS Sudha and Nageswararao Sidhhartha institute of Dental Sciences, Chinnoutpalli,Gannavaram, Andhrapradesh, India
| | - Mortada Abbass
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of General Medicine, Beirut Arab University, Beirut, Lebanon
| | - Rabih Fawaz
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of General Medicine, Beirut Arab University, Beirut, Lebanon
| | - Amaan Javed
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of General Medicine, University College of Medical Sciences (University of Delhi), Dilshad Garden, Delhi, India
| | - Khaled Aboudib
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of General Medicine, Beirut Arab University, Beirut, Lebanon
| | - Ashraf Mahmoud
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of General Medicine, Kilimanjaro Christian Medical University College, Moshi, Kilimanjaro, Tanzania, United Republic of
| | - Adekunbi Oluyemisi
- Oli Health Magazine Organization, Research and Education, Kigali, Rwanda.,Department of Public and Allied Health, School of Public and Allied Health, Babcock University, Ilishan-Remo, Ogun State, Nigeria
| | - Helen Onyeaka
- Department of Chemical Engineering, School of Chemical Engineering, University of Birmingham, Birmingham, UK
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22
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Melendez YP, Mahmoud A, Caddell R, Nelson R, Sokol L, Shah B, Saeed H. CLO22-066: Toxicity of a Modified PEG-Asparaginase Based SMILE Regimen is Comparable to L-Asparaginase Based SMILE in a non-Asian Population. J Natl Compr Canc Netw 2022. [DOI: 10.6004/jnccn.2021.7185] [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] [Indexed: 11/17/2022]
Affiliation(s)
| | | | | | - R Nelson
- 1 Moffitt Cancer Center, Tampa, FL
| | - L Sokol
- 1 Moffitt Cancer Center, Tampa, FL
| | - B Shah
- 1 Moffitt Cancer Center, Tampa, FL
| | - H Saeed
- 1 Moffitt Cancer Center, Tampa, FL
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23
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Zkria A, Gima H, Abubakr E, Mahmoud A, Haque A, Yoshitake T. Correlated Electrical Conductivities to Chemical Configurations of Nitrogenated Nanocrystalline Diamond Films. Nanomaterials 2022; 12:nano12050854. [PMID: 35269341 PMCID: PMC8912768 DOI: 10.3390/nano12050854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 12/17/2022]
Abstract
Diamond is one of the fascinating films appropriate for optoelectronic applications due to its wide bandgap (5.45 eV), high thermal conductivity (3320 W m−1·K−1), and strong chemical stability. In this report, we synthesized a type of diamond film called nanocrystalline diamond (NCD) by employing a physical vapor deposition method. The synthesis process was performed in different ratios of nitrogen and hydrogen mixed gas atmospheres to form nitrogen-doped (n-type) NCD films. A high-resolution scanning electron microscope confirmed the nature of the deposited films to contain diamond nanograins embedded into the amorphous carbon matrix. Sensitive spectroscopic investigations, including X-ray photoemission (XPS) and near-edge X-ray absorption fine structure (NEXAFS), were performed using a synchrotron beam. XPS spectra indicated that the nitrogen content in the film increased with the inflow ratio of nitrogen and hydrogen gas (IN/H). NEXAFS spectra revealed that the σ*C–C peak weakened, accompanied by a π*C=N peak strengthened with nitrogen doping. This structural modification after nitrogen doping was found to generate unpaired electrons with the formation of C–N and C=N bonding in grain boundaries (GBs). The measured electrical conductivity increased with nitrogen content, which confirms the suggestion of structural investigations that nitrogen-doping generated free electrons at the GBs of the NCD films.
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Affiliation(s)
- Abdelrahman Zkria
- Department of Applied Science for Electronics and Materials, Kyushu University, Fukuoka 816-8580, Japan; (H.G.); (E.A.)
- Department of Physics, Faculty of Science, Aswan University, Aswan 81528, Egypt
- Correspondence: (A.Z.); (A.H.); (T.Y.)
| | - Hiroki Gima
- Department of Applied Science for Electronics and Materials, Kyushu University, Fukuoka 816-8580, Japan; (H.G.); (E.A.)
| | - Eslam Abubakr
- Department of Applied Science for Electronics and Materials, Kyushu University, Fukuoka 816-8580, Japan; (H.G.); (E.A.)
- Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt
| | - Ashraf Mahmoud
- Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, College of Science, King Khalid University, Abha 61413, Saudi Arabia;
| | - Ariful Haque
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
- Correspondence: (A.Z.); (A.H.); (T.Y.)
| | - Tsuyoshi Yoshitake
- Department of Applied Science for Electronics and Materials, Kyushu University, Fukuoka 816-8580, Japan; (H.G.); (E.A.)
- Correspondence: (A.Z.); (A.H.); (T.Y.)
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24
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Rizkallah G, Lee S, Mahmoud A, Handa I, Long J, Massella V, Modi S, Fun Ngan F, Rahman A, Elberm H. 335 Early Initiation of Biochemical Venous Thromboembolism Prophylaxis Following Traumatic Spleen Injury Is Safe and Effectively Reduce VTE Events. Br J Surg 2022. [DOI: 10.1093/bjs/znac039.221] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
This study examines the safety and timing initiating VTE prophylaxis post traumatic splenic injuries (TSI).
Method
Patients with TSI were identified from prospectively maintained Trauma Audit and Research Network (TARN) database from 2015–2020 in a single tertiary trauma centre. Clinical and radio-logical information were collected retrospectively. TSI were graded using American Association for the Surgery of Trauma (AAST) splenic injury scale. Chemical venous thromboprophylaxis initiation were categorised as not given, <48h and >48h following the injury.
Results
In total 102 patient were included out of 136 patients identified with TSI. 34 patients were excluded for lack of electronic data, palliative decision, or fatal condition on arrival. 12 patients out of 102 required operative management (OM) and 90 patients NOM. VTE prophylaxis was not given for 31 (30.4%). Medical reasons for this include severe brain injury and early discharge before 48 hours. VTE prophylaxis was initiated for 37 (36.3%) patients within 48 hours, and for 34 patients (33.3%) after 48 hours of admission. Seven patients developed thromboembolic events, majority of which (6/7) received VTE prophylaxis after 48 hours. Importantly, none of the patients who received VTE prophylaxis had rebleeding.
Conclusions
This study showed that early initiation of chemical VTE prophylaxis (<48h) is safe, resulted in lower incidence of DVTs/PEs without increasing the risk of bleeding. Results from this study supports recommendation from other studies 1 to initiate chemical VTE prophylaxis after TSI as early as 24h post injury with no other contra-indications.
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Affiliation(s)
- G. Rizkallah
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - S.L. Lee
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
- University of Southampton, Southampton, United Kingdom
| | - A. Mahmoud
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - I. Handa
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - J. Long
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - V. Massella
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - S. Modi
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - F.S. Fun Ngan
- University of Southampton, Southampton, United Kingdom
| | - A. Rahman
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - H. Elberm
- University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
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Mahmoud A, Aly M, Shanmuganathan K, Rocos B, Sedra F, Montgomery A, Aftab S. 5 Cervical Spine Pedicle Screw Accuracy in Open Fluoroscopic, Navigated and Template Guided Systems- a Systematic Review. Br J Surg 2022. [DOI: 10.1093/bjs/znac040.001] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
Pedicle screws provide excellent fixation for a wide range of indications; their adoption in the cervical spine has been slower than in the thoracic and lumbar spine, largely due to the smaller pedicle sizes and proximity to neurovascular structures in the neck. Recent years have seen the development of technology to improve accuracy and thereby safety in cervical pedicle screw placement over traditional fluoroscopic techniques, including intraoperative 3D navigation, computer assisted systems and physical templates with screw guides. We have performed a systematic review into the accuracy rates of the various systems.
Method
PubMed and Cochrane Library databases were searched; keywords "pedicle screw cervical spine" were searched; 9 valid papers involving 1427 screws were found.
Results
Accuracy rates were 80.6% for fluoroscopy, 91.4% for navigation methods, and 96.7% for templates.
Conclusions
Superior results for templates are complemented by reduced radiation exposure to patient and surgeon; however, the technology requires prolonged pre-operative planning to create the bespoke template, and the development of an infrastructure to allow for their rapid production and delivery is needed before they become more widely available.
Two broad methods of navigation currently exist: intraoperative CT scanning providing real-time 3D navigation and preoperative CT registration in relation to a fixed reference with intraoperative computer assistance. At present, these methods are more commonly used, due to their proven improved accuracy rates over fluoroscopy, availability in emergencies and alongside minimally invasive techniques.
Despite their novelty and limitations, templates provide promising accuracy scores, although practical considerations may inhibit their proliferation.
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Affiliation(s)
- A. Mahmoud
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - M. Aly
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - K. Shanmuganathan
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - B. Rocos
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - F. Sedra
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - A. Montgomery
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
| | - S. Aftab
- Trauma and Orthopaedic Department of Royal London Hospital, London, United Kingdom
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Alqosaibi AI, Mahmoud A, Kotb E, Huang Y, Al-Dhuayan IS, Alhazmi S, Bahloul AA, Okasha ST, Otaibi H, AlYami N, Louis E. Saccharomyces cerevisiae OS303 expression of an alkaline protease from a newly isolated Bacillus subtilis D9. BRAZ J BIOL 2022. [DOI: 10.1590/1519-6984.262214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The aim of this study was to produce high yield of a local bacterial alkaline protease in the yeast system because the scientific involvement of microorganisms in enzyme production is still not given enough attention in Saudi Arabia. Soil samples were collected from the rhizosphere of some desert plants in Saudi Arabia. Ninety-three alkaline protease producing bacterial isolates were recovered on skimmed-milk agar at pH 9.4 and 45°C for 48 hr. Isolate D9 obtained from the rhizosphere of Heliotropium digynum at Dhahran City was the most potent isolate in respect to enzyme productivity (184.6 U/ml). The full gene of alkaline protease was amplified and showed the expected size (1300 bp). Restriction enzymes analysis also verified the integrity of the PCR product. The sequence of the protease gene revealed an open reading frame of 1329 nt correspond to the full length of the protease gene of isolate D9 encoding a 443 aa protein. After ligation of the amplified gene by the TA cloning method, digestion with appropriate restriction enzymes confirmed the integrity of the cloned gene. The insert was prepared by two PCRs that were conducted with a pair of primers specifically designed for this purpose. The digested and purified cloning vector pRS426/GAL1p-207-Glu-MS was ligated with the insert then transformed into various strains of Saccharomyces cerevisiae via the electroporation method. Maximum protease expression was done by recombinant OS303 in galactose containing media (145.5 U/ml) with an approximately 2-fold increase when compared with the wild OS303 strain., this may be due to ability to activate gal operon.
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Mahmoud A, Abdel- Razik AR, El-Araby SM, Ragab SM. Effect of Nitrogen Fertilizer and Fulvic Acid Application on the Growth, Productivity and Nutritional Quality of Cabbage. Alexandria Science Exchange Journal 2021. [DOI: 10.21608/asejaiqjsae.2021.206156] [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: 10/19/2022] Open
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Castelhano R, Bartlett J, Wooler H, Theofilis A, Mahmoud A, Shamali A. 963 Management of Acute Gallstone-Related Complications at Great Western Hospital (GWH): Re-Audit. Br J Surg 2021. [PMCID: PMC8524489 DOI: 10.1093/bjs/znab259.761] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Aim
Gallstone related disease accounts for a third of the admissions to the Surgical Department. In June 2019, a clinical audit was undertaken at Great Western Hospital assessing the number of patients who underwent cholecystectomy, following initial diagnosis, in accordance to current guidelines. The results demonstrated a very low number of patients had cholecystectomy, within the targeted time frame, which led to the implementation of a dedicated operative “hot gallbladder” list weekly. In June 2020, we re-audit the service to evaluate the impact of the change implemented.
Method
A retrospective observational analysis of patients admitted to the Hospital in June 2020 with gallstone related disease. Data was collected using the Surgical on-call lists, these were analysed and patients selected according to the reason for admission, only gallstone related issues were considered in this analysis. Finally, via Medway, the time from admission to surgery was assessed.
Results
Despite the disruption in service provision due to COVID-19, the implementation of the “hot gallbladder” list led to a 10.7% increase in timely cholecystectomies, bringing the overall compliance to 14%. There was also a significant reduction in biliary relate re-admissions, from 58% to 37%. Despite 47.3% of patients were still awaiting surgery, the waiting list was reduced by 5.2% in only 1 year.
Conclusions
This study demonstrated that the implementation of the “hot gallbladder” list has improved the compliance with the current guidelines. The change has brought us in line with the national average of 15%, as estimated by RCSEng, therefore demonstrating the efficacy of the weekly list.
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Affiliation(s)
| | - J Bartlett
- Great Western Hospital, Swindon, United Kingdom
| | - H Wooler
- Great Western Hospital, Swindon, United Kingdom
| | - A Theofilis
- Great Western Hospital, Swindon, United Kingdom
| | - A Mahmoud
- Great Western Hospital, Swindon, United Kingdom
| | - A Shamali
- Great Western Hospital, Swindon, United Kingdom
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Mahmoud A, Hafez, M, Hany AE. Single Layer Graft Technique in Tympanoplasty for Subtotal Tympanic Membrane Perforation. Minia Journal of Medical Research 2021; 32:11-14. [DOI: 10.21608/mjmr.2021.237780] [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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Bukhari IA, Alorainey BI, Al-Motrefi AA, Mahmoud A, Campbell WB, Hammock BD. 1-trifluoromethoxyphenyl-3-(1-propionylpiperidin-4-yl) urea (TPPU), a soluble epoxide hydrolase inhibitor, lowers L-NAME-induced hypertension through suppression of angiotensin-converting enzyme in rats. Eur Rev Med Pharmacol Sci 2021; 24:8143-8150. [PMID: 32767352 DOI: 10.26355/eurrev_202008_22501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study evaluated the efficacy of the soluble epoxide hydrolase (sEH) inhibitor, TPPU on chronic NG-Nitro L-arginine methyl ester (L-NAME)-induced hypertension in rats and its effects on plasma Angiotensin II (Ang II), cardiac Angiotensin-converting enzyme (ACE) and Angiotensin II receptor type 1 (AT1R) expressions. MATERIALS AND METHODS Forty Sprague Dawley rats were divided into 5 groups. Two groups served as control and received orally either vehicle or TPPU (3 mg/kg) for five weeks. The other three groups were given L-NAME (50 mg/kg/day) in drinking water for five weeks. Two weeks after the L-NAME treatment, animals received orally either saline or TPPU (3 mg/kg/day) or lisinopril (10 mg/kg/day) daily for 3 weeks. Blood pressure (BP) was measured weekly. At the end of the experiment, plasma Ang II, cardiac ACE and AT1R protein and gene expressions were determined. RESULTS L-NAME caused a significant increase in BP of the animals. TPPU and lisinopril resulted in normalization of L-NAME-induced hypertension. They also caused a significant reduction in Ang II and ACE protein and gene expressions compared to L-NAME and vehicle-treated animals. CONCLUSIONS This study demonstrates that TPPU effectively lowers L-NAME-induced hypertension in rats. The mechanism of its antihypertensive effect is likely mediated by the suppression of ACE gene and protein expression, leading to a lower Ang II level.
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Affiliation(s)
- I A Bukhari
- Department of Pharmacology, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
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Fanelli S, Elzeneini M, Mahmoud A, Jeng E, Arnaoutakis G, Al-Ani M, Parker A, Vilaro J, Aranda J, Ahmed M. Thromboelastography of Limited Benefit in LVAD Patient Management. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1086] [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: 10/21/2022] Open
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Fanelli S, Elzeneini M, Mahmoud A, Jeng E, Arnaoutakis G, Parker A, Al-Ani M, Vilaro J, Aranda J, Ahmed M. RAAS Inhibition Provides Improvement in 1 Year Mortality Post LVAD Implantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1244] [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: 10/21/2022] Open
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Abd Elrazzak M, Mahmoud A, El-Mikati H. Full-Wave Analysis of A Line-Fed Rectangular Patch Antenna Using FDTD Method with Mur's and PML ABCs.(Dept.E). MEJ Mansoura Engineering Journal 2021; 24:58-68. [DOI: 10.21608/bfemu.2021.147643] [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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Antunes A, Luyt AS, Popelka A, Mahmoud A, Aljarod O, Hassan MK, Kasak P. Influence of accelerated weathering on the physical and structural properties of poly(lactic-acid)/poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PLA/PHBV) blends. EXPRESS POLYM LETT 2021. [DOI: 10.3144/expresspolymlett.2021.58] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Tirado-Gonzalez I, Czlonka E, Nevmerzhitskaya A, Soetopo D, Bergonzani E, Mahmoud A, Contreras A, Jeremias I, Platzbecker U, Bourquin JP, Kloz U, Van der Hoeven F, Medyouf H. Correction: CRISPR/Cas9-edited NSG mice as PDX models of human leukemia to address the role of niche-derived SPARC. Leukemia 2020; 35:294. [PMID: 33262529 DOI: 10.1038/s41375-020-01071-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- I Tirado-Gonzalez
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - E Czlonka
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Nevmerzhitskaya
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - D Soetopo
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - E Bergonzani
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Mahmoud
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Contreras
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - I Jeremias
- Department of Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Münich, German Center for Environmental Health (HMGU), Munich, Germany.,German Cancer Consortium, DKTK Partner Site Munich, Heidelberg, Germany
| | - U Platzbecker
- University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany.,German Cancer Consortium, DKTK Partner Site Dresden, Heidelberg, Germany
| | - J P Bourquin
- Division of Pediatric Oncology, University Children's Hospital, Zurich, Switzerland
| | - U Kloz
- Division of Pediatric Oncology, University Children's Hospital, Zurich, Switzerland
| | - F Van der Hoeven
- Transgenic Service, German Cancer Research Center, Heidelberg, Germany
| | - H Medyouf
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany. .,German Cancer Consortium, DKTK Partner Site Frankfurt/Mainz, Heidelberg, Germany. .,Department of Hematology and Oncology, University Hospital Mannheim, Medical Faculty, University of Heidelberg, Mannheim, Germany.
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Gallouo M, Ettaouil M, Mawuko-Gadoseh Y, Seffar A, Dibingue Tsikambu A, Mahmoud A, Daghdagh Y, Dakir M, Debbagh A, Aboutaieb R. Incrustation, biodégradation et fracture des sondes urétérales: à propos de 15 cas. Prog Urol 2020. [DOI: 10.1016/j.purol.2020.07.120] [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: 11/30/2022]
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Mahmoud A. Cholinergic nerve regulation of heart regeneration. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3634] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Cardiac nerves regulate many important physiological functions of the heart such as heart rate and contractility. The emerging role of cardiac nerves during tissue homeostasis and regeneration is beginning to be appreciated. We discovered that neonatal mice are capable of regenerating their hearts following injury within a brief period after birth by proliferation of the pre-existing cardiomyocytes. Furthermore, we have demonstrated that cholinergic nerves play an important role in guiding the neonatal heart regenerative response. However, the adult mammalian heart, including the human heart, is incapable of regeneration following injury. Thus, there is great excitement about understanding the evolutionarily conserved mechanisms of endogenous cardiac regeneration, so that we can explore potential avenues to reawaken this process in adult humans.
Purpose
Our overarching goal is to define the mechanisms by which cholinergic nerves regulate heart regeneration following ischemic injury by using the neonatal mouse heart regeneration model. These studies will uncover novel pathways by which cholinergic signaling promotes cardiomyocyte proliferation and heart regeneration, which holds significant therapeutic potential for treatment of adult heart disease.
Methods
In this project, we employed genetically engineered mouse models of the critical receptors for cholinergic signaling in the heart to define the mechanisms of cholinergic nerve regulation of heart regeneration. First, we generated a cardiomyocyte-specific deletion of the muscarinic receptor (M2), the most predominant muscarinic receptor subtype present in the heart. In addition, we utilized the α7 nicotinic receptor (Chrna7) knockout mice to study the role of Chrna7 in endogenous immune cells, which is the main mediator of the cholinergic anti-inflammatory pathway. These mouse models will address how cholinergic nerves regulate heart regeneration via the M2 muscarinic receptor signaling and the inflammatory response following injury.
Results
Our results demonstrate that inhibition of two different cholinergic receptors (muscarinic and nicotinic) results in a reduction in cardiomyocyte proliferation and inhibition of the neonatal cardiac regenerative response following injury. More importantly, we demonstrate that cholinergic signaling mediates the cardiac regenerative response mainly through suppression of pro-inflammatory cytokines via the cholinergic anti-inflammatory pathway.
Conclusions
Cholinergic nerve signaling plays an important role in mounting a robust cardiac regenerative response following injury. These results have significant therapeutic potential, which will forge new paradigms with respect to the role of cardiac nerves during mammalian cardiac regeneration and reveal potential mechanisms regarding the benefits of nerve stimulation following cardiac injury in humans.
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): American Heart Association, Wisconsin Partnership Program
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Affiliation(s)
- A Mahmoud
- University of Wisconsin-Madison, Madison, United States of America
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Fkhar L, Mahmoud A, Boschini F, Schrijnemakers A, El maalam K, Hamedoun M, Benyoussef A, Hlil E, Ait Ali M, Balli M, Mounkachi O. A study of magnetic and magnetocaloric properties of 0.95 (La0.45Nd0.25Sr0.3MnO3)/0.05CuO composites prepared by spray drying. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cai L, Mahmoud A, Piazza G. Low-loss waveguides on Y-cut thin film lithium niobate: towards acousto-optic applications. Opt Express 2019; 27:9794-9802. [PMID: 31045128 DOI: 10.1364/oe.27.009794] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/13/2019] [Indexed: 06/09/2023]
Abstract
We investigate the dependence of photonic waveguide propagation loss on the thickness of the buried oxide layer in Y-cut lithium niobate on insulator substrate to identify trade-offs between optical losses and electromechanical coupling of surface acoustic wave (SAW) devices for acousto-optic applications. Simulations show that a thicker oxide layer reduces the waveguide loss but lowers the electromechanical coupling coefficient of the SAW device. Optical racetrack resonators with different lengths were fabricated by argon plasma etching to experimentally extract waveguide losses. By increasing the oxide layer thickness from 1 µm to 2 µm, we were able to reduce propagation loss of 2 µm (1 µm) wide waveguide from 1.85 dB/cm (3 dB/cm) to as low as 0.37 dB/cm (0.77 dB/cm). Resonators with a quality factor greater than 1 million were demonstrated as well. An oxide thickness of approximately 1.5 µm is sufficient to significantly reduce propagation loss, due to leakage into the substrate and simultaneously attain good electromechanical coupling in acoustic devices. This work not only provides insights on the design and realization of low-loss photonic waveguides in lithium niobate, but also, most importantly, offers experimental evidence of how the oxide thickness directly impacts losses and guides its selection for the synthesis of high-performance acousto-optic devices in Y-cut lithium niobate on insulator.
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Mahmoud A, Abundo P, Basile L, Albensi C, Marasco M, Bellizzi L, Galasso F, Foti C. Functional leg length discrepancy between theories and reliable instrumental assessment: a study about newly invented NPoS system. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.02.2017.12] [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] [Indexed: 11/05/2022]
Affiliation(s)
- A. Mahmoud
- Physical and Rehabilitation Medicine, Department of Clinical Sciences and Translational Medicine, “Tor Vergata” University, Rome, Italy
- Physical medicine, Rheumatology and Rehabilitation Department, Cairo, Egypt
| | - P. Abundo
- Medical Engineering Service, Polyclinic Tor Vergata, Rome, Italy
| | - L. Basile
- Physical and Rehabilitation Medicine, Department of Clinical Sciences and Translational Medicine, “Tor Vergata” University, Rome, Italy
| | - C. Albensi
- Physical and Rehabilitation Medicine, Department of Clinical Sciences and Translational Medicine, “Tor Vergata” University, Rome, Italy
| | - M. Marasco
- Medical Engineering Service, Polyclinic Tor Vergata, Rome, Italy
| | - L. Bellizzi
- Medical Engineering Service, Polyclinic Tor Vergata, Rome, Italy
| | - F. Galasso
- Baro Postural Instruments Srl Innovative Start Up, Rome, Italy
| | - C. Foti
- Physical and Rehabilitation Medicine, Department of Clinical Sciences and Translational Medicine, “Tor Vergata” University, Rome, Italy
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Vetrano M, Oliva F, Bisicchia S, Bossa M, De Carli A, Di Lorenzo L, Erroi D, Forte A, Foti C, Frizziero A, Gasparre G, Giai Via A, Innocenti B, Longo U, Mahmoud A, Masiero S, Mazza D, Natali S, Notarangelo C, Osti L, Padulo J, Pellicciari L, Perroni F, Piccirilli E, Ramponi C, Salvatore G, Panni A, Suarez T, Tarantino U, Vittadini F, Vulpiani M, Ferretti A, Maffulli N. I.S.Mu.L.T. first-time patellar dislocation guidelines. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.01.2017.01] [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] [Indexed: 11/05/2022]
Affiliation(s)
- M. Vetrano
- Physical Medicine and Rehabilitation Unit, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - F. Oliva
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Rome, Italy
| | - S. Bisicchia
- Department of Orthopaedic Surgery, San Pietro Fatebenefratelli Hospital, Rome, Italy
| | - M. Bossa
- Department of Physical Medicine and Rehabilitation, University of Rome “Tor Vergata”, Rome, Italy
| | - A. De Carli
- Orthopaedic Department and “Kirk Kilgour” Sports Injury Center, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - L. Di Lorenzo
- Rehabilitation Unit, Neuroscience Department, “RUMMO” Hospital, Benevento, Italy
- Biomedical Research Centre, Gruppo Forte, Salerno, Italy
| | - D. Erroi
- Physical Medicine and Rehabilitation Unit, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - A. Forte
- Biomedical Research Centre, Gruppo Forte, Salerno, Italy
| | - C. Foti
- Department of Physical Medicine and Rehabilitation, University of Rome “Tor Vergata”, Rome, Italy
| | - A. Frizziero
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - G. Gasparre
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - A. Giai Via
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Rome, Italy
| | - B. Innocenti
- BEAMS Department (Bio Electro and Mechanical Systems), École Polytechnique de Bruxelles, Université Libre de Bruxelles, Brussels, Belgium
| | - U.G. Longo
- Department of Orthopedic and Traumatology, University Campus Bio-Medico of Rome, Rome, Italy
| | - A. Mahmoud
- Department of Physical Medicine and Rehabilitation, University of Rome “Tor Vergata”, Rome, Italy
| | - S. Masiero
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - D. Mazza
- Orthopaedic Department and “Kirk Kilgour” Sports Injury Center, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - S. Natali
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Rome, Italy
| | - C. Notarangelo
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - L. Osti
- Unit of Arthroscopy and Sports Trauma Surgery, Hesperia Hospital, Modena, Italy
| | - J. Padulo
- University eCampus, Novedrate, Italy; Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sport, Tunis, Tunisia; Faculty of Kinesiology, University of Split, Split, Croatia
| | - L. Pellicciari
- Department of Physical Medicine and Rehabilitation, University of Rome “Tor Vergata”, Rome, Italy
| | - F. Perroni
- School of Exercise and Sport Sciences (SUISM), Department of Medical Sciences, University of Turin, Turin, Italy
| | - E. Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Rome, Italy
| | - C. Ramponi
- Sport Physical Therapist, Kinè Physiotherapic Center, Conegliano, Italy
| | - G. Salvatore
- Department of Orthopedic and Traumatology, University Campus Bio-Medico of Rome, Rome, Italy
| | - A.S. Panni
- Multidisciplinary Department of Medical-Surgical and Dental Specialty, University of Campania Luigi Vanvitelli, Naples, Italy
| | - T. Suarez
- Physical Medicine and Rehabilitation Unit, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - U. Tarantino
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Rome, Italy
| | - F. Vittadini
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - M.C. Vulpiani
- Physical Medicine and Rehabilitation Unit, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - A. Ferretti
- Orthopaedic Department and “Kirk Kilgour” Sports Injury Center, Sant’Andrea Hospital, “Sapienza” University of Rome, Rome, Italy
| | - N. Maffulli
- Department of Musculoskeletal Disorders, Faculty of Medicine and Surgery, University of Salerno, Salerno, Italy; Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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Oliva F, Rugiero C, Giai Via A, Baldassarri M, Bernardi G, Biz C, Bossa M, Buda R, Buonocore D, Chianca V, Collina A, De Carli A, De Luna A, Di Lanno I, Di Lorenzo L, Di Pietto F, Dossena M, Fantoni I, Farsetti P, Fini M, Finotti P, Forte A, Foti C, Frizziero A, Gaj E, Galeone C, Gamberini J, Gasparini M, Innocenti B, Lupariello D, Mahmoud A, Marsilio E, Moretti B, Natali S, Padulo J, Pellicciari L, Perazzo L, Piccirilli E, Picerno P, Ruggeri P, Tarantino U, Vadalà A, Veronesi F, Verri M, Vetrano M, Vulpiani M, Zappia M, Maffulli N. I.S.Mu.L.T. Achilles tendon ruptures guidelines. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2018.03] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- F. Oliva
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - C. Rugiero
- Department of Orthopaedics and Traumatology, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - A. Giai Via
- Department of Orthopaedic and Traumatology, Hip Surgery Center, IRCCS San Donato Hospital, San Donato Milanese, Milan, Italy
| | - M. Baldassarri
- Department of Orthopaedics and Traumatology, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - G. Bernardi
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - C. Biz
- Orthopaedics Unit, Department of Surgical, Oncologic and Gastroenterological Sciences DiSCOG, University of Padua, Padua, Italy
| | - M. Bossa
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - R. Buda
- Department of Orthopaedics and Traumatology, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - D. Buonocore
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - V. Chianca
- Department of Advanced Biomedical Sciences, University of Naples "Federico II", Naples, Italy
| | - A. Collina
- Department of Diagnostic Imaging, Campolongo Hospital, Eboli (SA), Italy
| | - A. De Carli
- Department of Orthopaedics and Traumatology, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - A.V. De Luna
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - I. Di Lanno
- Department of Diagnostic Imaging, Campolongo Hospital, Eboli (SA), Italy
| | - L. Di Lorenzo
- Department of Diagnostic Imaging, Campolongo Hospital, Eboli (SA), Italy
| | - F. Di Pietto
- Department of Diagnostic Imaging, AORNA, Cardarelli Hospital, Naples, Italy
| | - M. Dossena
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - I. Fantoni
- Orthopaedics Unit, Department of Surgical, Oncologic and Gastroenterological Sciences DiSCOG, University of Padua, Padua, Italy
| | - P. Farsetti
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - M. Fini
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - P. Finotti
- Department of Physical and Rehabilitation Medicine, University of Padua, Padua, Italy
| | - A.M. Forte
- Centre of Rehabilitation and Biomedical Research, Biomedical Research Center Gruppo Forte, Salerno, Italy
| | - C. Foti
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - A. Frizziero
- Department of Physical and Rehabilitation Medicine, University of Padua, Padua, Italy
| | - E. Gaj
- Department of Orthopaedics and Traumatology, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - C. Galeone
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - J. Gamberini
- Department of Physical and Rehabilitation Medicine, University of Padua, Padua, Italy
| | - M. Gasparini
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - B. Innocenti
- BEAMS Department (Bio Electro Mechanical System), ècole polytechnique de Bruxelles, Universitè Libre de Bruxelles, Brussels, Belgium
| | - D. Lupariello
- Department of Orthopaedics and Traumatology, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - A. Mahmoud
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
- Department of Physical Medicine, Rheumatology and Rehabilitation, University of Cairo "Ain Shams", Cairo, Egypt
| | - E. Marsilio
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - B. Moretti
- Department of Orthopaedics and Traumatology, Bari Hospital, Bari, Italy
| | - S. Natali
- Department of Orthopaedics and Traumatology, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - J. Padulo
- Sport Science, University e-Campus, Novedrate, Italy; Tunisian Laboratory of Research for Sporty Perfomance Optimization, National Center of Medicine and Sport Sciences, Tunis, Tunisia
| | - L. Pellicciari
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
- Sport Science, University e-Campus, Novedrate, Italy; Tunisian Laboratory of Research for Sporty Perfomance Optimization, National Center of Medicine and Sport Sciences, Tunis, Tunisia
| | - L. Perazzo
- Department of Orthopaedics and Traumatology, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - E. Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - P. Picerno
- Telematics University e-Campus, Novedrate, Italy
| | - P. Ruggeri
- Orthopaedics Unit, Department of Surgical Oncologic and Gastroenterogical Sciences DISCOG, University of Padua, Padua, Italy
| | - U. Tarantino
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - A. Vadalà
- Department of Orthopaedics and Traumatology, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - F. Veronesi
- Rizzoli Orthopaedic Institute, Bologna, Italy
| | - M. Verri
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - M. Vetrano
- Department of Physical and Rehabilitation Medicine, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - M.C. Vulpiani
- Department of Physical and Rehabilitation Medicine, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - M. Zappia
- Department of Medicine and Health Science, University of Molise, Campobasso, Italia; Varelli Institute, Naples, Italy
| | - N. Maffulli
- Department of Physical and Rehabilitation Medicine, San Giovanni di Dio e Ruggi d'Aragona Hospital, University of Salerno, Italy; University of London Queen Mary, Barts and the London School of Medicine Dentistry, Sport Medicine Center, Mile End Hospital, London, UK
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Piccirilli E, Oliva F, Aconstantinesei Murè M, Mahmoud A, Foti C, Tarantino U, Maffulli N. Viscosupplementation with intra-articular hyaluronic acid for hip disorders. A systematic review and meta-analysis. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2016.04] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- E. Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - F. Oliva
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - M. Aconstantinesei Murè
- Department of Physical and Rehabilitation Medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - A. Mahmoud
- Department of Physical and Rehabilitation Medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
- Physical medicine, Rheumatology and rehabilitation department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - C. Foti
- Department of Physical and Rehabilitation Medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - U. Tarantino
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - N. Maffulli
- Head of Department of Orthopaedics and Traumatology, Azienda Ospedaliera San Giovanni di Dio e Ruggi d’Aragona, University of Salerno, Italy; Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London, UK
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44
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Oliva F, Piccirilli E, Bossa M, Giai Via A, Colombo A, Chillemi C, Gasparre G, Pellicciari L, Franceschetti E, Rugiero C, Scialdoni A, Vittadini F, Brancaccio P, Creta D, Del Buono A, Garofalo R, Franceschi F, Frizziero A, Mahmoud A, Merolla G, Nicoletti S, Spoliti M, Osti L, Padulo J, Portinaro N, Tajana G, Castagna A, Foti C, Masiero S, Porcellini G, Tarantino U, Maffulli N. I.S.Mu.L.T - Rotator Cuff Tears Guidelines. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.04.2015.01] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- F. Oliva
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - E. Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - M. Bossa
- Department of Physical and Rehabilitation medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - A. Giai Via
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - A. Colombo
- UO Pediatric Orthopaedics, Humanitas Research Hospital, Milano, Italy
| | - C. Chillemi
- Department of Orthopaedic and Traumatology, Istituto Chirurgico Ortopedico Traumatologico (ICOT), Latina, Italy
| | - G. Gasparre
- Department of Physical and Rehabilitation Medicine, University of Padua, Italy
| | - L. Pellicciari
- Department of Physical and Rehabilitation medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - E. Franceschetti
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Italy
| | - C. Rugiero
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - A. Scialdoni
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - F. Vittadini
- Department of Physical and Rehabilitation Medicine, University of Padua, Italy
| | - P. Brancaccio
- Service of Sports Medicine, II University of Naples, Italy
| | - D. Creta
- Physical Therapy and Rehabilitation Service, Private Hospital “Madre Fortunata Toniolo”, Bologna, Italy
| | - A. Del Buono
- Orthopaedics and Traumatology, Ospedale Sant’Anna, Sanfermo della Battaglia, Como, Italy
| | - R. Garofalo
- Shoulder Service, Miulli Hospital, Acquaviva delle Fonti, Bari, Italy
| | - F. Franceschi
- Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Italy
| | - A. Frizziero
- Department of Physical and Rehabilitation Medicine, University of Padua, Italy
| | - A. Mahmoud
- Department of Physical and Rehabilitation medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - G. Merolla
- Shoulder and Elbow Unit Biomechanics Laboratory “M. Simoncelli” D. Cervesi Hospital, Cattolica, Italy
| | - S. Nicoletti
- Department of Orthopaedics and Traumatology, San Jacopo Hospital, Italy
| | - M. Spoliti
- Department of Orthopaedics and Traumatology, San Camillo Hospital, Rome, Italy
| | - L. Osti
- Unit of Arthroscopic and Sports Medicine, Hesperia Hospital, Modena, Italy
| | - J. Padulo
- Sport Science, University e-Campus, Novedrate, Italy; Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sport, Tunis, Tunisia
| | - N. Portinaro
- UO Pediatric Orthopaedics, Humanitas Research Hospital, Milano, Italy
| | - G. Tajana
- Hystology ed Embriology, University of Salerno, Italy
| | - A. Castagna
- Shoulder and Elbow Unit, IRCCS Humanitas Institute, Rozzano, Milano, Italy
| | - C. Foti
- Department of Physical and Rehabilitation medicine, School of Medicine, University of Rome “Tor Vergata”, Italy
| | - S. Masiero
- Department of Physical and Rehabilitation Medicine, University of Padua, Italy
| | - G. Porcellini
- Shoulder and Elbow Unit Biomechanics Laboratory “M. Simoncelli” D. Cervesi Hospital, Cattolica, Italy
| | - U. Tarantino
- Department of Orthopaedics and Traumatology, University of Rome “Tor Vergata”, Italy
| | - N. Maffulli
- Head of Department of Orthopaedics and Traumatology, Azienda Ospedaliera San Giovanni di Dio e Ruggi d’Aragona, University of Salerno, Italy; Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London, UK
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Frizziero A, Vittadini F, Oliva F, Abatangelo G, Bacciu S, Bernardi A, Bossa M, Buda R, Buonocore D, Calderazzi F, Carolla F, Ceccarelli F, Costantino C, Dossena M, Faldini C, Finotti P, Foti C, Frizzero L, Galletti S, Gasparre G, Giai Via A, Mahmoud A, Masiero S, Merolla G, Migliore A, Natali S, Nicoletti S, Padolino A, Pellicciari L, Piccirilli E, Pintus E, Porcellini G, Romiti D, Terreni M, Valent A, Vannini F, Verri M, Vertuccio M, Vetrano M, Vulpiani M, Maffulli N. I.S.Mu.L.T. Hyaluronic acid injections in musculoskeletal disorders guidelines. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2018.04] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- A. Frizziero
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - F. Vittadini
- Venezia FC Medical Staf, Venice, Italy - Department of Physical and Rehabilitation Medicine, Casa di Cura Giovanni XXIII, Monastir di Treviso, Italy
| | - F. Oliva
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - G. Abatangelo
- Department of Histology, Microbiology and Medical Biotechnology, University of Padova, Padova, Italy
| | - S. Bacciu
- Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - A. Bernardi
- UOC of Immunohaematology and Transfusion Medicine, Santo Spirito Hospital, Pescara, Italy
| | - M. Bossa
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - R. Buda
- Rizzoli Orthopaedic Institute, University of Bologna, Bologna, Italy
| | - D. Buonocore
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - F. Calderazzi
- Orthopaedic and Trauma Department, Parma University, Parma, Italy
| | - F. Carolla
- Orthopaedic and Trauma Department, Parma University, Parma, Italy
| | - F. Ceccarelli
- Orthopaedic and Trauma Department, Parma University, Parma, Italy
| | - C. Costantino
- Rehabilitation Medicine, Department of Clinical and Experimental Medicine, Parma University Hospital, Parma, Italy
| | - M. Dossena
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - C. Faldini
- Rizzoli Orthopaedic Institute, University of Bologna, Bologna, Italy
| | - P. Finotti
- Department of Physical and Rehabilitation Medicine, University of Padua, Padua, Italy
| | - C. Foti
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - L. Frizzero
- Department of Rheumatology, Villa Toniolo Hospital, Bologna, Italy
| | - S. Galletti
- Musciloskeletal ultrasound School, Italian Society for Ultrasound in Medicine and Biology (SIUMB), Bologna, Italy
| | - G. Gasparre
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - A. Giai Via
- Department of Orthopaedic and Traumatology, Hip Surgery Center, IRCCS San Donato Hospital, San Donato Milanese, Milan, Italy
| | - A. Mahmoud
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - S. Masiero
- Department of Physical and Rehabilitation Medicine, University of Padova, Padova, Italy
| | - G. Merolla
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - A. Migliore
- Unit of Rheumatology, "Ospedale S. Pietro FBF", Rome, Italy
| | - S. Natali
- Rizzoli Orthopaedic Institute, University of Bologna, Bologna, Italy
| | - S. Nicoletti
- Orthopaedic and Trauma Department, San Jacopo Hospital, Pistoia, Italy
| | - A. Padolino
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - L. Pellicciari
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - E. Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata", Roma, Italy
| | - E. Pintus
- Rizzoli Orthopaedic Institute, University of Bologna, Bologna, Italy
| | - G. Porcellini
- Department of Physical and Rehabilitation Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - D. Romiti
- Rehabilitation Medicine, Department of Clinical and Experimental Medicine, Parma University Hospital, Parma, Italy
| | - M. Terreni
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | - A. Valent
- Fisioclinis Formigne Clinic, Modena, Italy
| | - F. Vannini
- Rizzoli Orthopaedic Institute, University of Bologna, Bologna, Italy
| | - M. Verri
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - M. Vertuccio
- Physical Medicine and Rehabilitation Unit, Sant'Andrea Hospital, "Sapienza" University of Rome, Rome, Italy
| | - M. Vetrano
- Department of Physical and Rehabilitation Medicine, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - M.C. Vulpiani
- Department of Physical and Rehabilitation Medicine, "Sapienza" University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - N. Maffulli
- Department of Musculoskeletal Disorders, Faculty od Medicine and Surgery, University of Salerno, Baronissi, Salerno, Italy; Centre of Sport and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, London, UK
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Mahmoud A. Clinical Presentations and Pathogenic Agents of Bloody Diarrhoea among Iraqi Children. J Infect Public Health 2019. [DOI: 10.1016/j.jiph.2018.10.076] [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] Open
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Mahmoud M, Mahmoud A, Cai L, Khan M, Mukherjee T, Bain J, Piazza G. Novel on chip rotation detection based on the acousto-optic effect in surface acoustic wave gyroscopes. Opt Express 2018; 26:25060-25075. [PMID: 30469614 DOI: 10.1364/oe.26.025060] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 08/21/2018] [Indexed: 06/09/2023]
Abstract
An Acousto-Optic Gyroscope (AOG) consisting of a photonic integrated device embedded into two inherently matched piezoelectric surface acoustic wave (SAW) resonators sharing the same acoustic cavity is presented. This constitutes the first demonstration of a micromachined strain-based optomechanical gyroscope that uses the effective index of the optical waveguide due to the acousto-optic effect rather than conventional displacement sensing. The theoretical analysis comparing various photonic phase sensing techniques is presented and verified experimentally for the cases based on a Mach-Zehnder interferometer, as well as a racetrack resonator. This first prototype integrates acoustic and photonic components on the same lithium niobate on insulator (LNOI) substrate and constitutes the first proof of concept demonstration of the AOG. This approach enables the development of a new class of micromachined gyroscopes that combines the advantages of both conventional microscale vibrating gyroscopes and optical gyroscopes.
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Abdellah MS, Abbas AM, Ali MK, Mahmoud A, Abdullah SA. Uterine exteriorization versus intraperitoneal repair: effect on intraoperative nausea and vomiting during repeat cesarean delivery - A randomized clinical trial. Facts Views Vis Obgyn 2018; 10:131-137. [PMID: 31191847 PMCID: PMC6548409] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE The current study aims to compare the rate of intraoperative nausea and vomiting after repeat cesarean delivery (CD) under two different approaches: by intraperitoneal incision repair or by uterus exteriorization for incision reapair. MATERIALS AND METHODS We conducted a single-blinded randomized clinical trial (NCT03009994) at a tertiary University Hospital between the 1st of September 2016 and the 31st of December 2017. The study included pregnant women at term of gestation (>37 weeks) scheduled for repeat CD under spinal anesthesia. Women were assigned to either uterine exteriorization for incision repair (Group I) or intraperitoneal incision repair (Group II). The primary assessed was the rate of nausea and vomiting during CD. RESULTS The study included 1028 women in the final analysis. The rate of intraoperative nausea and vomiting was significantly lower in the intraperitoneal repair group compared to the exteriorization group (24% versus 38.7%, p= 0.001). Likewise, occurrence of uterine atony and the need for additional uterotonics were significantly lower in the intraperitoneal repair group (p= 0.001 and 0.02 respectively). Postoperatively, the rate of nausea and vomiting (12.6 % versus 21 %; P=0.001), and the time to the first recognized bowel movement (12.3 hours versus 14.1 hours; P=0.003) were significantly lower in the intraperitoneal repair group compared to the exteriorization group. CONCLUSIONS Intraperitoneal repair of the uterine incision during repeat CD is beneficial compared to exteriorization. Improvements in the rate of intra- and postoperative nausea, vomiting, uterine atony and time to the first recognized bowel movement were observed in patients operated with this technique.
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Affiliation(s)
| | | | | | - A Mahmoud
- Department of Obstetrics & Gynecology, Faculty of Medicine, Assiut University, Egypt. Women Health Hospital,71511,Assiut Egypt
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Mahmoud A, Abid F, Abroug N, Mbarek S, Lahmar N, Messaoud R. [Post-traumatic macular hematoma as presenting sign of angioid streaks: Role of spectral-domain optical coherence tomography (SD-OCT)]. J Fr Ophtalmol 2018; 41:e103-e105. [PMID: 29395597 DOI: 10.1016/j.jfo.2017.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 06/26/2017] [Accepted: 06/30/2017] [Indexed: 11/17/2022]
Affiliation(s)
- A Mahmoud
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie.
| | - F Abid
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie
| | - N Abroug
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie
| | - S Mbarek
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie
| | - N Lahmar
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie
| | - R Messaoud
- Service d'ophtalmologie, faculté de médecine de Monastir, université de Monastir, CHU Taher Sfar, 5100 Mahdia, Tunisie
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50
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Tirado-Gonzalez I, Czlonka E, Nevmerzhitskaya A, Soetopo D, Bergonzani E, Mahmoud A, Contreras A, Jeremias I, Platzbecker U, Bourquin JP, Kloz U, Van der Hoeven F, Medyouf H. CRISPR/Cas9-edited NSG mice as PDX models of human leukemia to address the role of niche-derived SPARC. Leukemia 2017; 32:1049-1052. [PMID: 29209043 PMCID: PMC7703605 DOI: 10.1038/leu.2017.346] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- I Tirado-Gonzalez
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - E Czlonka
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Nevmerzhitskaya
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - D Soetopo
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - E Bergonzani
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Mahmoud
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - A Contreras
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany
| | - I Jeremias
- Department of Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Münich, German Center for Environmental Health (HMGU), Munich, Germany.,German Cancer Consortium, DKTK Partner Site Munich, Heidelberg, Germany
| | - U Platzbecker
- University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany.,German Cancer Consortium, DKTK Partner Site Dresden, Heidelberg, Germany
| | - J P Bourquin
- Division of Pediatric Oncology, University Children's Hospital, Zurich, Switzerland
| | - U Kloz
- Division of Pediatric Oncology, University Children's Hospital, Zurich, Switzerland
| | - F Van der Hoeven
- Transgenic Service, German Cancer Research Center, Heidelberg, Germany
| | - H Medyouf
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt, Germany.,German Cancer Consortium, DKTK Partner Site Frankfurt/Mainz, Heidelberg, Germany.,Department of Hematology and Oncology, University Hospital Mannheim, Medical Faculty, University of Heidelberg, Mannheim, Germany
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