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Hussein S, Jespersen LN, Ingersgaard MV, Skovby P, Grabowski D. Trying to be like everybody else: A qualitative study revealing the importance of social contexts and illness representations among adolescents with type 1 diabetes and their parents. Chronic Illn 2024; 20:37-48. [PMID: 36760087 DOI: 10.1177/17423953231155287] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
OBJECTIVE Type 1 diabetes is one of the most common chronic conditions in young children and adolescents. During the period of adolescence, young people with diabetes often struggle with self-management and have compromised health-related quality of life. This often leads to familial conflicts affecting all family members negatively. The aim of this study is to provide qualitative insight into the everyday life of families with adolescents with type 1 diabetes. METHODS The data consisted of participatory family workshops conducted using interactive dialogue tools. The total number of participants was 33 (adolescents n = 13, parents n = 20). The adolescents were between 15 and 17 years. The data were analyzed using systematic text condensation. RESULTS The results showed two main themes. The first theme, Diabetes-friendly and unfriendly social contexts, highlighted how the (dis)comfortability of disclosing diabetes was a significant factor in achieving optimal metabolic control. For parents, it affected their perception of social support. The second theme, incongruent illness representations among family members, dealt with the extended family conflict during the period of adolescence. DISCUSSION Insights from our study could help healthcare professionals apply a family-centered approach minimizing family conflict and supporting metabolic control when consulting families with adolescents with type 1 diabetes.
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Affiliation(s)
- Sana Hussein
- Department of Health Promotion Research, Copenhagen University Hospital, Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Louise Norman Jespersen
- Department of Health Promotion Research, Copenhagen University Hospital, Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Marianne Vie Ingersgaard
- Department of Health Promotion Research, Copenhagen University Hospital, Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Pernille Skovby
- Herning Hospital, Region of Central Jutland, Herning, Denmark
| | - Dan Grabowski
- Department of Health Promotion Research, Copenhagen University Hospital, Steno Diabetes Center Copenhagen, Herlev, Denmark
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Lacey H, Kanakopoulos D, Hussein S, Moyasser O, Ward J, King ICC. Adjunctive technologies in postoperative free-flap monitoring: a systematic review. J Plast Reconstr Aesthet Surg 2023; 87:147-155. [PMID: 37844383 DOI: 10.1016/j.bjps.2023.09.015] [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: 06/26/2023] [Revised: 08/21/2023] [Accepted: 09/07/2023] [Indexed: 10/18/2023]
Abstract
Patent microvascular anastomoses are essential for successful free tissue transfer. Early accurate detection of microvascular compromise is required for flap salvage. Adjunctive monitoring techniques, in addition to clinical examination, are increasingly used to detect flap compromise. This systematic review synthesized and appraised the literature to determine the efficacy of different postoperative monitoring technologies. Rates of flap takeback, salvage, failure, and mean time to detection of microvascular compromise were extracted, synthesized, and reviewed. Twenty-two studies were included, comprising 6370 flaps. One thousand three hundred and ninety-five flaps were monitored with Cook Swartz Doppler (21.83%), 1417 flaps with tissue oximetry (22.24%), 291 with laser Doppler (4.56%), 175 with duplex echography (2.74%), 210 with indocyanine green (ICG) fluorescence (3.30%), 196 with Synovis flow coupler (3.07%), and 81 (1.27%) with light spectroscopy. The overall true positive rate for microvascular compromise in taken back flaps was 70.18%. Cook Swartz Doppler (n = 1391) had a true positive rate of 80.17% and 83.63% salvage rate and was associated with an overall 2.60% rate of flap failure. Tissue oximetry (n = 1417) had a true positive rate of 74.76% and a salvage rate of 88.62%. Laser Doppler, duplex echography, light spectroscopy, and Synovis flow coupler demonstrated true positive rates between 69.4% and 100% with salvage rates between 64% and 100%. Cook Swartz Doppler and tissue oximetry are associated with prompt identification of microvascular compromise and return to theatre. Alternative modalities, including near-infrared spectroscopy, laser Doppler, and duplex echography, show promise. Further well-designed randomised controlled trials (RCTs) appraising head-to-head efficacy are required to comparatively assess adjunctive technologies.
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Affiliation(s)
- H Lacey
- Department of Plastic Surgery, University Hospital Sussex NHS Foundation Trust, Eastern Rd, Kemptown, Brighton BN2 5BE, UK.
| | - D Kanakopoulos
- Department of Plastic Surgery, University Hospital Sussex NHS Foundation Trust, Eastern Rd, Kemptown, Brighton BN2 5BE, UK; Department of Plastic Surgery, Queen Victoria Hospital, Holtye Rd, East Grinstead RH19 3DZ, UK; Department of Plastic and Reconstructive Surgery, Hull University Teaching Hospitals NHS Trust, UK
| | - S Hussein
- Department of Plastic Surgery, University Hospital Sussex NHS Foundation Trust, Eastern Rd, Kemptown, Brighton BN2 5BE, UK
| | - O Moyasser
- Department of Plastic Surgery, University Hospital Sussex NHS Foundation Trust, Eastern Rd, Kemptown, Brighton BN2 5BE, UK; Department of Plastic Surgery, Queen Victoria Hospital, Holtye Rd, East Grinstead RH19 3DZ, UK
| | - J Ward
- Department of Plastic Surgery, Queen Victoria Hospital, Holtye Rd, East Grinstead RH19 3DZ, UK
| | - I C C King
- Department of Plastic Surgery, University Hospital Sussex NHS Foundation Trust, Eastern Rd, Kemptown, Brighton BN2 5BE, UK; Department of Plastic Surgery, Queen Victoria Hospital, Holtye Rd, East Grinstead RH19 3DZ, UK
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Ledoux N, Gauthier-Naud W, Lavoie O, Watters V, Hussein S, Adjibade P, Mazroui R. The nuclear isoforms of the Fragile X Mental Retardation RNA-binding Protein associate with genomic DNA bridges. Mol Biol Cell 2023; 34:ar36. [PMID: 36884289 PMCID: PMC10162414 DOI: 10.1091/mbc.e22-05-0157] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
The Fragile X Mental Retardation Protein (FMRP) is a canonical RNA-binding protein whose absence in humans leads to the development of the Fragile X Syndrome characterized by multiple phenotypes including neurodevelopmental disorders, intellectual disability, autism, and macroorchidism. The primary transcripts of the FMR1 gene undergo extensive alternative splicing processes, and multiple protein isoforms are produced. The predominantly cytoplasmic isoforms are translational regulators, while the roles of the nuclear ones have been neglected. In this study, we discovered that nuclear FMRP isoforms specifically associate with DNA bridges, aberrant genomic structures that form during mitosis and whose accumulation can drive genome instability by inducing DNA damage. Further localisation studies showed that a subset of FMRP-positive bridges contain proteins that have been shown to associate with specific DNA bridges known as ultrafine DNA bridges (UFBs), and surprisingly are RNA positive. Significantly, the depletion of nuclear FMRP isoforms promotes the accumulation of DNA bridges, correlating with the accumulation of DNA damages and cell death, unveiling an important function of these neglected isoforms.
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Affiliation(s)
- N Ledoux
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - W Gauthier-Naud
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - O Lavoie
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - V Watters
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - S Hussein
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - P Adjibade
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
| | - R Mazroui
- Centre de Recherche sur le Cancer de l'Université Laval, Québec, Canada. Centre de Recherche du CHU de Québec - Université Laval, Axe Oncologie, Québec, Canada. Département de Biologie Moléculaire, Biochimie Médicale et Pathologie, Faculté de Médecine, Université Laval, Québec, Canada
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Nadarajah R, Ludman P, Appelman Y, Brugaletta S, Budaj A, Bueno H, Huber K, Kunadian V, Leonardi S, Lettino M, Milasinovic D, Gale CP, Budaj A, Dagres N, Danchin N, Delgado V, Emberson J, Friberg O, Gale CP, Heyndrickx G, Iung B, James S, Kappetein AP, Maggioni AP, Maniadakis N, Nagy KV, Parati G, Petronio AS, Pietila M, Prescott E, Ruschitzka F, Van de Werf F, Weidinger F, Zeymer U, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy KV, Nedoshivin A, Petronio AP, Roos-Hesselink JW, Wallentin L, Zeymer U, Popescu BA, Adlam D, Caforio ALP, Capodanno D, Dweck M, Erlinge D, Glikson M, Hausleiter J, Iung B, Kayikcioglu M, Ludman P, Lund L, Maggioni AP, Matskeplishvili S, Meder B, Nagy KV, Nedoshivin A, Neglia D, Pasquet AA, Roos-Hesselink JW, Rossello FJ, Shaheen SM, Torbica A, Gale CP, Ludman PF, Lettino M, Bueno H, Huber K, Leonardi S, Budaj A, Milasinovic (Serbia) D, Brugaletta S, Appelman Y, Kunadian V, Al Mahmeed WAR, Kzhdryan H, Dumont C, Geppert A, Bajramovic NS, Cader FA, Beauloye C, Quesada D, Hlinomaz O, Liebetrau C, Marandi T, Shokry K, Bueno H, Kovacevic M, Crnomarkovic B, Cankovic M, Dabovic D, Jarakovic M, Pantic T, Trajkovic M, Pupic L, Ruzicic D, Cvetanovic D, Mansourati J, Obradovic I, Stankovic M, Loh PH, Kong W, Poh KK, Sia CH, Saw K, Liška D, Brozmannová D, Gbur M, Gale CP, Maxian R, Kovacic D, Poznic NG, Keric T, Kotnik G, Cercek M, Steblovnik K, Sustersic M, Cercek AC, Djokic I, Maisuradze D, Drnovsek B, Lipar L, Mocilnik M, Pleskovic A, Lainscak M, Crncic D, Nikojajevic I, Tibaut M, Cigut M, Leskovar B, Sinanis T, Furlan T, Grilj V, Rezun M, Mateo VM, Anguita MJF, Bustinza ICM, Quintana RB, Cimadevilla OCF, Fuertes J, Lopez F, Dharma S, Martin MD, Martinez L, Barrabes JA, Bañeras J, Belahnech Y, Ferreira-Gonzalez I, Jordan P, Lidon RM, Mila L, Sambola A, Orvin K, Sionis A, Bragagnini W, Cambra AD, Simon C, Burdeus MV, Ariza-Solé A, Alegre O, Alsina M, Ferrando JIL, Bosch X, Sinha A, Vidal P, Izquierdo M, Marin F, Esteve-Pastor MA, Tello-Montoliu A, Lopez-Garcia C, Rivera-Caravaca JM, Gil-Pérez P, Nicolas-Franco S, Keituqwa I, Farhan HA, Silva L, Blasco A, Escudier JM, Ortega J, Zamorano JL, Sanmartin M, Pereda DC, Rincon LM, Gonzalez P, Casado T, Sadeghipour P, Lopez-Sendon JL, Manjavacas AMI, Marin LAM, Sotelo LR, Rodriguez SOR, Bueno H, Martin R, Maruri R, Moreno G, Moris C, Gudmundsdottir I, Avanzas P, Ayesta A, Junco-Vicente A, Cubero-Gallego H, Pascual I, Sola NB, Rodriguez OA, Malagon L, Martinez-Basterra J, Arizcuren AM, Indolfi C, Romero J, Calleja AG, Fuertes DG, Crespín Crespín M, Bernal FJC, Ojeda FB, Padron AL, Cabeza MM, Vargas CM, Yanes G, Kitai T, Gonzalez MJG, Gonzalez Gonzalez J, Jorge P, De La Fuente B, Bermúdez MG, Perez-Lopez CMB, Basiero AB, Ruiz AC, Pamias RF, Chamero PS, Mirrakhimov E, Hidalgo-Urbano R, Garcia-Rubira JC, Seoane-Garcia T, Arroyo-Monino DF, Ruiz AB, Sanz-Girgas E, Bonet G, Rodríguez-López J, Scardino C, De Sousa D, Gustiene O, Elbasheer E, Humida A, Mahmoud H, Mohamed A, Hamid E, Hussein S, Abdelhameed M, Ali T, Ali Y, Eltayeb M, Philippe F, Ali M, Almubarak E, Badri M, Altaher S, Alla MD, Dellborg M, Dellborg H, Hultsberg-Olsson G, Marjeh YB, Abdin A, Erglis A, Alhussein F, Mgazeel F, Hammami R, Abid L, Bahloul A, Charfeddine S, Ellouze T, Canpolat U, Oksul M, Muderrisoglu H, Popovici M, Karacaglar E, Akgun A, Ari H, Ari S, Can V, Tuncay B, Kaya H, Dursun L, Kalenderoglu K, Tasar O, Kalpak O, Kilic S, Kucukosmanoglu M, Aytekin V, Baydar O, Demirci Y, Gürsoy E, Kilic A, Yildiz Ö, Arat-Ozkan A, Sinan UY, Dagva M, Gungor B, Sekerci SS, Zeren G, Erturk M, Demir AR, Yildirim C, Can C, Kayikcioglu M, Yagmur B, Oney S, Xuereb RG, Sabanoglu C, Inanc IH, Ziyrek M, Sen T, Astarcioglu MA, Kahraman F, Utku O, Celik A, Surmeli AO, Basaran O, Ahmad WAW, Demirbag R, Besli F, Gungoren F, Ingabire P, Mondo C, Ssemanda S, Semu T, Mulla AA, Atos JS, Wajid I, Appelman Y, Al Mahmeed WAR, Atallah B, Bakr K, Garrod R, Makia F, Eldeeb F, Abdekader R, Gomaa A, Kandasamy S, Maruthanayagam R, Nadar SK, Nakad G, Nair R, Mota P, Prior P, Mcdonald S, Rand J, Schumacher N, Abraheem A, Clark M, Coulding M, Qamar N, Turner V, Negahban AQ, Crew A, Hope S, Howson J, Jones S, Lancaster N, Nicholson A, Wray G, Donnelly P, Gierlotka M, Hammond L, Hammond S, Regan S, Watkin R, Papadopoulos C, Ludman P, Hutton K, Macdonald S, Nilsson A, Roberts S, Monteiro S, Garg S, Balachandran K, Mcdonald J, Singh R, Marsden K, Davies K, Desai H, Goddard W, Iqbal N, Chalil S, Dan GA, Galasko G, Assaf O, Benham L, Brown J, Collins S, Fleming C, Glen J, Mitchell M, Preston S, Uttley A, Radovanovic M, Lindsay S, Akhtar N, Atkinson C, Vinod M, Wilson A, Clifford P, Firoozan S, Yashoman M, Bowers N, Chaplin J, Reznik EV, Harvey S, Kononen M, Lopesdesousa G, Saraiva F, Sharma S, Cruddas E, Law J, Young E, Hoye A, Harper P, Balghith M, Rowe K, Been M, Cummins H, French E, Gibson C, Abraham JA, Hobson S, Kay A, Kent M, Wilkinson A, Mohamed A, Clark S, Duncan L, Ahmed IM, Khatiwada D, Mccarrick A, Wanda I, Read P, Afsar A, Rivers V, Theobald T, Cercek M, Bell S, Buckman C, Francis R, Peters G, Stables R, Morgan M, Noorzadeh M, Taylor B, Twiss S, Widdows P, Brozmannová D, Wilkinson V, Black M, Clark A, Clarkson N, Currie J, George L, Mcgee C, Izzat L, Lewis T, Omar Z, Aytekin V, Phillips S, Ahmed F, Mackie S, Oommen A, Phillips H, Sherwood M, Aleti S, Charles T, Jose M, Kolakaluri L, Ingabire P, Karoudi RA, Deery J, Hazelton T, Knight A, Price C, Turney S, Kardos A, Williams F, Wren L, Bega G, Alyavi B, Scaletta D, Kunadian V, Cullen K, Jones S, Kirkup E, Ripley DP, Matthews IG, Mcleod A, Runnett C, Thomas HE, Cartasegna L, Gunarathne A, Burton J, King R, Quinn J, Sobolewska J, Munt S, Porter J, Christenssen V, Leng K, Peachey T, Gomez VN, Temple N, Wells K, Viswanathan G, Taneja A, Cann E, Eglinton C, Hyams B, Jones E, Reed F, Smith J, Beltrano C, Affleck DC, Turner A, Ward T, Wilmshurst N, Stirrup J, Brunton M, Whyte A, Smith S, Murray V, Walker R, Novas V, Weston C, Brown C, Collier D, Curtis K, Dixon K, Wells T, Trim F, Ghosh J, Mavuri M, Barman L, Dumont C, Elliott K, Harrison R, Mallinson J, Neale T, Smith J, Toohie J, Turnbull A, Parker E, Hossain R, Cheeseman M, Balparda H, Hill J, Hood M, Hutchinson D, Mellows K, Pendlebury C, Storey RF, Barker J, Birchall K, Denney H, Housley K, Cardona M, Middle J, Kukreja N, Gati S, Kirk P, Lynch M, Srinivasan M, Szygula J, Baker P, Cruz C, Derigay J, Cigalini C, Lamb K, Nembhard S, Price A, Mamas M, Massey I, Wain J, Delaney J, Junejo S, Martin K, Obaid D, Hoyle V, Brinkworth E, Davies C, Evans D, Richards S, Thomas C, Williams M, Dayer M, Mills H, Roberts K, Goodchild F, Dámaso ES, Greig N, Kundu S, Donaldson D, Tonks L, Beekes M, Button H, Hurford F, Motherwell N, Summers-Wall J, Felmeden D, Tapia V, Keeling P, Sheikh U, Yonis A, Felmeden L, Hughes D, Micklewright L, Summerhayes A, Sutton J, Panoulas V, Prendergast C, Poghosyan K, Rogers P, Barker LN, Batin P, Conway D, Exley D, Fletcher A, Wright J, Nageh T, Hadebe B, Kunhunny S, Mkhitaryan S, Mshengu E, Karthikeyan VJ, Hamdan H, Cooper J, Dandy C, Parkinson V, Paterson P, Reddington S, Taylor T, Tierney C, Adamyan M, Jones KV, Broadley A, Beesley K, Buckley C, Hellyer C, Pippard L, Pitt-Kerby T, Azam J, Hayes C, Freshwater K, Boyadjian S, Johnson L, Mcgill Y, Redfearn H, Russell M, Alyavi A, Alyavi B, Uzokov J, Hayrapetyan H, Azaryan K, Tadevosyan M, Poghosyan H, Kzhdryan H, Vardanyan A, Huber K, Geppert A, Ahmed A, Weidinger F, Derntl M, Hasun M, Schuh-Eiring T, Riegler L, Haq MM, Cader FA, Dewan MAM, Fatema ME, Hasan AS, Islam MM, Khandoker F, Mayedah R, Nizam SU, Azam MG, Arefin MM, Jahan J, Schelfaut D, De Raedt H, Wouters S, Aerts S, Batjoens H, Beauloye C, Dechamps M, Pierard S, Van Caenegem O, Sinnaeve F, Claeys MJ, Snepvangers M, Somers V, Gevaert S, Schaubroek H, Vervaet P, Buysse M, Renders F, Dumoulein M, Hiltrop N, De Coninck M, Naessens S, Senesael I, Hoffer E, Pourbaix S, Beckers J, Dugauquier C, Jacquet S, Malmendier D, Massoz M, Evrard P, Collard L, Brunner P, Carlier S, Blockmans M, Mayne D, Timiras E, Guédès A, Demeure F, Hanet C, Domange J, Jourdan K, Begic E, Custovic F, Dozic A, Hrvat E, Kurbasic I, Mackic D, Subo A, Durak-Nalbantic A, Dzubur A, Rebic D, Hamzic-Mehmedbasic A, Redzepovic A, Djokic-Vejzovic A, Hodzic E, Hujdur M, Musija E, Gljiva-Gogic Z, Serdarevic N, Bajramovic NS, Brigic L, Halilcevic M, Cibo M, Hadžibegic N, Kukavica N, Begic A, Iglica A, Osmanagic A, Resic N, Grgurevic MV, Zvizdic F, Pojskic B, Mujaric E, Selimovic H, Ejubovic M, Pojskic L, Stimjanin E, Sut M, Zapata PS, Munoz CG, Andrade LAF, Upegui MPT, Perez LE, Chavarria J, Quesada D, Alvarado K, Zaputovic L, Tomulic V, Gobic D, Jakljevic T, Lulic D, Bacic G, Bastiancic L, Avraamides P, Eftychiou C, Eteocleous N, Ioannou A, Lambrianidi C, Drakomathioulakis M, Groch L, Hlinomaz O, Rezek M, Semenka J, Sitar J, Beranova M, Kramarikova P, Pesl L, Sindelarova S, Tousek F, Warda HM, Ghaly I, Habiba S, Habib A, Gergis MN, Bahaa H, Samir A, Taha HSE, Adel M, Algamal HM, Mamdouh M, Shaker AF, Shokry K, Konsoah A, Mostafa AM, Ibrahim A, Imam A, Hafez B, Zahran A, Abdelhamid M, Mahmoud K, Mostafa A, Samir A, Abdrabou M, Kamal A, Sallam S, Ali A, Maghraby K, Atta AR, Saad A, Ali M, Lotman EM, Lubi R, Kaljumäe H, Uuetoa T, Kiitam U, Durier C, Ressencourt O, El Din AA, Guiatni A, Bras ML, Mougenot E, Labeque JN, Banos JL, Capendeguy O, Mansourati J, Fofana A, Augagneur M, Bahon L, Pape AL, Batias-Moreau L, Fluttaz A, Good F, Prieur F, Boiffard E, Derien AS, Drapeau I, Roy N, Perret T, Dubreuil O, Ranc S, Rio S, Bonnet JL, Bonnet G, Cuisset T, Deharo P, Mouret JP, Spychaj JC, Blondelon A, Delarche N, Decalf V, Guillard N, Hakme A, Roger MP, Biron Y, Druelles P, Loubeyre C, Lucon A, Hery P, Nejjari M, Digne F, Huchet F, Neykova A, Tzvetkov B, Larrieu M, Quaino G, Armangau P, Sauguet A, Bonfils L, Dumonteil N, Fajadet J, Farah B, Honton B, Monteil B, Philippart R, Tchetche D, Cottin M, Petit F, Piquart A, Popovic B, Varlot J, Maisuradze D, Sagirashvili E, Kereselidze Z, Totladze L, Ginturi T, Lagvilava D, Hamm C, Liebetrau C, Haas M, Hamm C, Koerschgen T, Weferling M, Wolter JS, Maier K, Nickenig G, Sedaghat A, Zachoval C, Lampropoulos K, Mpatsouli A, Sakellaropoulou A, Tyrovolas K, Zibounoumi N, Argyropoulos K, Toulgaridis F, Kolyviras A, Tzanis G, Tzifos V, Milkas A, Papaioannou S, Kyriazopoulos K, Pylarinou V, Kontonassakis I, Kotakos C, Kourgiannidis G, Ntoliou P, Parzakonis N, Pipertzi A, Sakalidis A, Ververeli CL, Kafkala K, Sinanis T, Diakakis G, Grammatikopoulos K, Papoutsaki E, Patialiatos T, Mamaloukaki M, Papadaki ST, Kanellos IE, Antoniou A, Tsinopoulos G, Goudis C, Giannadaki M, Daios S, Petridou M, Skantzis P, Koukis P, Dimitriadis F, Savvidis M, Styliadis I, Sachpekidis V, Pilalidou A, Stamatiadis N, Fotoglidis A, Karakanas A, Ruzsa Z, Becker D, Nowotta F, Gudmundsdottir I, Libungan B, Skuladottir FB, Halldorsdottir H, Shetty R, Iyengar S, Bs C, G S, Lakshmana S, S R, Tripathy N, Sinha A, Choudhary B, Kumar A, Kumar A, Raj R, Roy RS, Dharma S, Siswanto BB, Farhan HA, Yaseen IF, Al-Zaidi M, Dakhil Z, Amen S, Rasool B, Rajeeb A, Amber K, Ali HH, Al-Kinani T, Almyahi MH, Al-Obaidi F, Masoumi G, Sadeghi M, Heshmat-Ghahdarijani K, Roohafza H, Sarrafzadegan N, Shafeie M, Teimouri-Jervekani Z, Noori F, Kyavar M, Sadeghipour P, Firouzi A, Alemzadeh-Ansari MJ, Ghadrdoost B, Golpira R, Ghorbani A, Ahangari F, Salarifar M, Jenab Y, Biria A, Haghighi S, Mansouri P, Yadangi S, Kornowski R, Orvin K, Eisen A, Oginetz N, Vizel R, Kfir H, Pasquale GD, Casella G, Cardelli LS, Filippini E, Zagnoni S, Donazzan L, Ermacora D, Indolfi C, Polimeni A, Curcio A, Mongiardo A, De Rosa S, Sorrentino S, Spaccarotella C, Landolina M, Marino M, Cacucci M, Vailati L, Bernabò P, Montisci R, Meloni L, Marchetti MF, Biddau M, Garau E, Barbato E, Morisco C, Strisciuglio T, Canciello G, Lorenzoni G, Casu G, Merella P, 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Silinskiene D, Simbelyte T, Staigyte J, Philippe F, Degrell P, Camus E, Ahmad WAW, Kassim ZA, Xuereb RG, Buttigieg LL, Camilleri W, Pllaha E, Xuereb S, Popovici M, Ivanov V, Plugaru A, Moscalu V, Popovici I, Abras M, Ciobanu L, Litvinenco N, Fuior S, Dumanschi C, Ivanov M, Danila T, Grib L, Filimon S, Cardaniuc L, Batrinac A, Tasnic M, Cozma C, Revenco V, Sorici G, Dagva M, Choijiljav G, Dandar E, Khurelbaatar MU, Tsognemekh B, Appelman Y, Den Hartog A, Kolste HJT, Van Den Buijs D, Van'T Hof A, Pustjens T, Houben V, Kasperski I, Ten Berg J, Azzahhafi J, Bor W, Yin DCP, Mbakwem A, Amadi C, Kushimo O, Kilasho M, Oronsaye E, Bakracheski N, Bashuroska EK, Mojsovska V, Tupare S, Dejan M, Jovanoska J, Razmoski D, Marinoski T, Antovski A, Jovanovski Z, Kocho S, Markovski R, Ristovski V, Samir AB, Biserka S, Kalpak O, Peovska IM, Taleska BZ, Pejkov H, Busljetik O, Zimbakov Z, Grueva E, Bojovski I, Tutic M, Poposka L, Vavlukis M, Al-Riyami A, Nadar SK, Abdelmottaleb W, Ahmed S, Mujtaba MS, Al-Mashari S, Al-Riyami H, Laghari AH, Faheem O, Ahmed SW, Qamar N, Furnaz S, Kazmi K, Saghir T, Aneel A, Asim A, Madiha F, Sobkowicz B, Tycinska A, Kazimierczyk E, Szyszkowska A, Mizia-Stec K, Wybraniec M, Bednarek A, Glowacki K, Prokopczuk J, Babinski W, Blachut A, Kosiak M, Kusinska A, Samborski S, Stachura J, Szastok H, Wester A, Bartoszewska D, Sosnowska-Pasiarska B, Krzysiek M, Legutko J, Nawrotek B, Kasprzak JD, Klosinska M, Wiklo K, Kurpesa M, Rechcinski T, Cieslik-Guerra U, Gierlotka M, Bugajski J, Feusette P, Sacha J, Przybylo P, Krzesinski P, Ryczek R, Karasek A, Kazmierczak-Dziuk A, Mielniczuk M, Betkier-Lipinska K, Roik M, Labyk A, Krakowian M, Machowski M, Paczynska M, Potepa M, Pruszczyk P, Budaj A, Ambroziak M, Omelanczuk-Wiech E, Torun A, Opolski G, Glowczynska R, Fojt A, Kowalik R, Huczek Z, Jedrzejczyk S, Roleder T, Brust K, Gasior M, Desperak P, Hawranek M, Farto-Abreu P, Santos M, Baptista S, Brizida L, Faria D, Loureiro J, Magno P, Monteiro C, Nédio M, Tavares J, 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S, Popescu MI, Cozma A, Babes EE, Rus M, Ardelean A, Larisa R, Moisi M, Ban E, Buzle A, Filimon G, Dobreanu D, Lupu S, Mitre A, Rudzik R, Sus I, Opris D, Somkereki C, Mornos C, Petrescu L, Betiu A, Volcescu A, Ioan O, Luca C, Maximov D, Mosteoru S, Pascalau L, Roman C, Brie D, Crisan S, Erimescu C, Falnita L, Gaita D, Gheorghiu M, Levashov S, Redkina M, Novitskii N, Dementiev E, Baglikov A, Zateyshchikov D, Zubova E, Rogozhina A, Salikov A, Nikitin I, Reznik EV, Komissarova MS, Shebzukhova M, Shitaya K, Stolbova S, Larina V, Akhmatova F, Chuvarayan G, Arefyev MN, Averkov OV, Volkova AL, Sepkhanyan MS, Vecherko VI, Meray I, Babaeva L, Goreva L, Pisaryuk A, Potapov P, Teterina M, Ageev F, Silvestrova G, Fedulaev Y, Pinchuk T, Staroverov I, Kalimullin D, Sukhinina T, Zhukova N, Ryabov V, Kruchinkina E, Vorobeva D, Shevchenko I, Budyak V, Elistratova O, Fetisova E, Islamov R, Ponomareva E, Khalaf H, Shaimaa AA, Kamal W, Alrahimi J, Elshiekh A, Balghith M, Ahmed A, Attia N, Jamiel AA, Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [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] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Rashad S, Abda E, Selim Z, Hussein S, Metwally T, Fouad D. AB1227 PREVALENCE OF RHEUMATIC MUSCULOSKELETAL DISORDERS IN A RURAL AREA OF UPPER EGYPT: WHO-ILAR COPCORD BASED COMMUNITY STUDY. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.779] [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: 11/03/2022]
Abstract
Background:Rheumatic musculoskeletal disorders (RMSDs) are a common cause of long term pain and physical disability. In developed countries, RMSDS are a major cause of absence from work and thus have a big financial burden on the country economic status. Several studies have been published the incidence and prevalence of RMSDs in different world countries and found to be widely variable. Estimation of the extend of the problem of RMSDs in developing world, especially in rural economies will help better understanding of the risk factors that contribute to the initiation and progression of these diseases and help the health care authorities to provide proper health program services in these areas to reduce the physical and financial burden of RMSDs (Bagher et al., 2011; Majumdar et al., 2015 and Usenbo, et al., 2015).Objectives:To estimate the prevalence rate of RMSDs in a rural population in Upper Egypt.Methods:A cross-sectional based study was carried out and included 3988 subjects of population (2013 females and 1975 males). Mean age of patients was (46.89±15.25ys). They proceeded 4 phases of World Health Organization/International League of Associations for Rheumatology community-oriented program for control of rheumatic diseases survey questionnaire WHO-ILAR Community Oriented Program for screening of rheumatic diseases. Modified Health Assessment Questionnaire (HAQ) was used to assess the disability severity. Individuals suspected to have any rheumatic diseases were subjected to full clinical examination, laboratory and radiological investigations to reach a final diagnosis. They were classified according to appropriate criteria of diagnosis of diseases.Results:A prevalence rate of RMSDs was 16.22%, more prevalence in females (10.38% vs. 5.84% for males, P=0.000). The mean age of patients with RRMSDSs were older (46.89±15.25 yrs) than healthy individuals (29.56±18.95 yrs) (P=0.0001) and with increasing age (≥45-≤ 55 yrs).The identified RMSDs were OA (8.5%), Soft tissue rheumatism (STR) (6.57%), spinal disorders (SD) (6.47%), fibromyalgia (FM) (0.60%), RA (0.30%), arthralgia (0.18%), SPAs (0.15%), Gout(0.6%), Pseudogout (0.08%), SLE (0.5%), JIA(0.03) and MCTD (0.03%). The prevalence rates for the majority of RRMSDSs were higher in females and with increasing age. About two thirds of the patients had grade II disability.Conclusion:The prevalence rate of RMSDs in a rural population ≥15years in Upper Egypt has been estimated to be 16.22%.The most prevalent RMSDs are OA, STR and SD causing the greatest burden of the disease. The predictive risk of RMSDs has to be assessed in future studies.References:[1]Majumdar A, Kumar SG, Nair D, Sujiv A. Musculoskeletal complaints and predictors of musculoskeletal pain among adults in rural puducherry. Indian J Palliat Care. 2015; 21(1):121-123.[2]Usenbo A, Kramer V, Young T, Musekiwa A. Prevalence of Arthritis in Africa: A Systematic Review and Meta-Analysis. PLoS One. 2015; 10 (8):e0133858.[3]Bagher OM, Golbarg M, Hossein S. Pattern of rheumatic diseases in two outpatient clinics in Iran: similarities with some different features. Indian J Med Sci. 2011; 65(1):7-17.Disclosure of Interests:None declared
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Abstract
Abstract
The epithelial-to-mesenchymal transition (EMT) reversible cellular reprogramming event, used repeatedly throughout development, is hypothesized to be involved in the cell migration and consequently metastasis that ultimately contributes to most breast cancer-related fatalities. In this process, cuboidal epithelial cells, marked by the presence of tight junction proteins and cell-cell adhesions, lose their apicobasal polarity and acquire a spindle-like morphology and migratory traits. EMT was originally regarded to have only two states, with cells exhibiting either epithelial or mesenchymal phenotypes; however, recently, researchers have demonstrated the existence of a dual epithelial/mesenchymal state, termed hybrid- or partial-EMT. Due to its inherent plasticity, it is believed that EMT and its reversal mesenchymal-to-epithelial transition (MET) is, at least, partly regulated by epigenetic means such as alterations in chromatin structure. Assay for transposase-accessible chromatin with high-throughput sequencing (ATAC-seq) is a novel technique that employs the use of a mutant Tn5 transposase to cleave nucleosome-free DNA regions in a non-biased manner. In this investigation, we induced MCF10A mammary epithelial cells to undergo a short-term (<4 days) or long-term (>4 days) EMT. Addition and withdrawal of exogenous TGFβ1 produced partial- or full-EMT and MET conditions which were interrogated by ATAC- and RNA-seq. Hierarchical clustering of ATAC cleavage peaks revealed that pre-EMT and short- and long-term MET conditions demonstrate similar chromatin accessibility profiles with cleavage sites enriched for specific binding motifs. Notably, transcription factors typically not associated with EMT displayed dynamic enrichment in the accessible chromatin at various timepoints in our assay. Correlation with RNA-seq data reveals highly dynamic changes in gene expression suggesting dynamic and reversible use of regulatory programs. Importantly, partial-EMT cells were characterized by unique accessibility patterns, motif enrichment, and gene expression supporting the conclusion that this is not merely an intermediate but a unique state.
Citation Format: Johnson KS, Hussein S, Lin Y, Taube JH. Defining chromatin accessibility profiles of partial and reversible EMT [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P5-08-04.
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Affiliation(s)
- KS Johnson
- Baylor University, Waco, TX; Baylor Institute for Immunology Research, Dallas, TX
| | - S Hussein
- Baylor University, Waco, TX; Baylor Institute for Immunology Research, Dallas, TX
| | - Y Lin
- Baylor University, Waco, TX; Baylor Institute for Immunology Research, Dallas, TX
| | - JH Taube
- Baylor University, Waco, TX; Baylor Institute for Immunology Research, Dallas, TX
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Suades R, Hussein S, Khan AW, Cosentino F. 5210AP-1 transcription factor JunD protects against cardiac microRNA derangement in diabetes. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.5210] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- R Suades
- Karolinska Institute, Cardiology Unit, Department of Medicine - Solna, Stockholm, Sweden
| | - S Hussein
- Karolinska Institute, Cardiology Unit, Department of Medicine - Solna, Stockholm, Sweden
| | - A W Khan
- Karolinska Institute, Cardiology Unit, Department of Medicine - Solna, Stockholm, Sweden
| | - F Cosentino
- Karolinska Institute, Cardiology Unit, Department of Medicine - Solna, Stockholm, Sweden
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Brooks AMV, Hussein S, Chesterman CN, Martin JF, Alford FP, Penington DG. Platelets, Coagulation and Fibrinolysis in Patients with Diabetic Retinopathy. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1657336] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryTwenty control subjects, 12 insulin treated and 10 non-insulin treated diabetics were studied. All diabetics had retinopathy documented by fluorescein angiography and fluorophotometry. Factor VUIRiAg and plasma fibrinogen concentrations were elevated in both diabetic groups, but more so in the insulin treated patients. Within this latter group the plasma fibrinogen was also correlated with the degree of retinopathy.Platelets separated on linear isosmolar Percoll gradients showed an increase in intraplatelet βTG content and concentration and a slight increase in volume of the lightest platelets in the insulin treated diabetics. Plasma platelet factor 4 and antithrombin III concentrations were normal and plasma βTG levels were elevated only in those patients with renal insufficiency. Platelet aggregometry was performed in 18 diabetic subjects and found to be normal.It is concluded that abnormalities of coagulation and platelets in diabetes are determined by metabolic factors rather than the severity of microvascular disease per se.
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Affiliation(s)
- A M V Brooks
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - S Hussein
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - C N Chesterman
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - J F Martin
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - F P Alford
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - D G Penington
- The University of Melbourne, Departments of Medicine, St. Vincent's Hospital, and Ophthalmology, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
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Delorme I, Gooderham M, Lynde C, Papp K, Beecker J, Albrecht L, Cas ID, Fabricio L, Hussein S, Rihakova L, Chiva-Razavi S, Gregory V. Impact socioéconomique réel des traitements du psoriasis au Canada et en Amérique latine : le registre PURE. Ann Dermatol Venereol 2017. [DOI: 10.1016/j.annder.2017.09.359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zhang HW, Sun YQ, Li Y, Zhou XD, Tang XZ, Yi P, Murad A, Hussein S, Alshamsi D, Aldahan A, Yu ZB, Chen XG, Mugwaneza VDP. Quality assessment of groundwater from the south-eastern Arabian Peninsula. Environ Monit Assess 2017; 189:411. [PMID: 28735434 DOI: 10.1007/s10661-017-6092-2] [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] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 06/20/2017] [Indexed: 06/07/2023]
Abstract
Assessment of groundwater quality plays a significant role in the utilization of the scarce water resources globally and especially in arid regions. The increasing abstraction together with man-made contamination and seawater intrusion have strongly affected groundwater quality in the Arabia Peninsula, exemplified by the investigation given here from the United Arab Emirates, where the groundwater is seldom reviewed and assessed. In the aim of assessing current groundwater quality, we here present a comparison of chemical data linked to aquifers types. The results reveal that most of the investigated groundwater is not suitable for drinking, household, and agricultural purposes following the WHO permissible limits. Aquifer composition and climate have vital control on the water quality, with the carbonate aquifers contain the least potable water compared to the ophiolites and Quaternary clastics. Seawater intrusion along coastal regions has deteriorated the water quality and the phenomenon may become more intensive with future warming climate and rising sea level.
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Affiliation(s)
- H W Zhang
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - Y Q Sun
- Department of Energy & Resources Engineering and Institute of Water Sciences ,College of Engineering, Peking University, Beijing, China
| | - Y Li
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - X D Zhou
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - X Z Tang
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - P Yi
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China.
- College of Hydrology and Water Resources, Hohai University, Nanjing, China.
| | - A Murad
- Department of Geology, United Arab Emirates University, POB 15551, Al Ain, UAE
| | - S Hussein
- Department of Geology, United Arab Emirates University, POB 15551, Al Ain, UAE
| | - D Alshamsi
- Department of Geology, United Arab Emirates University, POB 15551, Al Ain, UAE
| | - A Aldahan
- Department of Geology, United Arab Emirates University, POB 15551, Al Ain, UAE.
| | - Z B Yu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - X G Chen
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
| | - V D P Mugwaneza
- College of Hydrology and Water Resources, Hohai University, Nanjing, China
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Huddart R, Porta N, Lewis R, Hendron C, Hussein S, James N, Hall E. 2507 Prognostic factors in muscle invasive bladder cancer patients receiving radiotherapy with or without chemotherapy in the BC2001 trial (CRUK/01/004). Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31328-4] [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: 10/22/2022]
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Hussain A, Wasaye A, Gohar R, Rehman L, Hussein S. SU-E-T-120: Dosimetric Characteristics Study of NanoDotâ,,¢ for In-Vivo Dosimetry. Med Phys 2014. [DOI: 10.1118/1.4888450] [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: 11/07/2022] Open
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Alath P, Kapila K, Hussein S, Amanguno H, Hebbar HG, George SS, Francis IM. Parotid gland metastasis of breast cancer diagnosed on fine needle aspiration cytology: case report and review of literature. Cytopathology 2013; 25:346-8. [DOI: 10.1111/cyt.12108] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- P. Alath
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - K. Kapila
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - S. Hussein
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - H. Amanguno
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - H. G. Hebbar
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - S. S. George
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
| | - I. M. Francis
- Department of Pathology and Radiology; Hussein Makki Al Juma Center for Specialized Surgery, Kuwait and Faculty of Medicine; Kuwait University; Safat Kuwait
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El-Saba A, Abd Rabou M, El-Sakhawy M, El- Shammaa. M, Hussein S. Seasonal changes in the histology of the ovaries of Nile tilapia (Oreochromis niloticus). ACTA ACUST UNITED AC 2013. [DOI: 10.21608/jva.2013.45020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Mirpour S, Geschwind J, Tacher V, Bhagat N, Hussein S, Gholamrezanezhad A, Liapi E. Lipiodol tumor uptake as an imaging biomarker: preclinical study. J Vasc Interv Radiol 2013. [DOI: 10.1016/j.jvir.2013.05.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Zivadinov R, Shucard JL, Hussein S, Durfee J, Cox JL, Bergsland N, Dwyer MG, Benedict RHB, Ambrus J, Shucard DW. Multimodal imaging in systemic lupus erythematosus patients with diffuse neuropsychiatric involvement. Lupus 2013; 22:675-83. [PMID: 23640981 DOI: 10.1177/0961203313486193] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVES The objective of this paper is to investigate conventional and nonconventional brain magnetic resonance imaging (MRI) findings in systemic lupus erythematosus (SLE) patients with diffuse neuropsychiatric involvement (dNPSLE) compared to healthy controls (HCs). METHODS Twenty-six (26) SLE patients with one or more diffuse NP syndromes related to the central nervous system (CNS) (dNPSLE) and 36 age- and sex-matched HCs were scanned on a 3T MRI using a multimodal imaging approach. Univariate and multivariate analyses were used to determine MRI-specific measure differences between dNPSLE and HCs for lesion burden, tissue-specific atrophy, magnetization transfer ratio (MTR) and diffusion-tensor imaging (DTI) outcomes. RESULTS In univariate analyses, dNPSLE patients showed significantly increased T1 lesion number (p = .001) and T1-lesion volume (LV, p = .008) compared to HCs. dNPSLE patients showed decreased whole brain volume (p < .0001), gray matter volume (p < .0001), cortical volume (p < .0001) and increased lateral ventricle volume (p = .004) compared to HCs. dNPSLE patients had increased axial diffusivity (AD) of NAWM (p = .008) and NA brain tissue (p = .017) compared to HCs. In the multivariate regression analysis, decreased cortical volume was associated with SLE (R (2) = 0.59, p < .0001). CONCLUSIONS This study shows that cortical and central atrophy are associated with SLE patients with diffuse CNS syndromes. Microscopic tissue injury in the NAWM on AD DTI measures in SLE patients indicates a predominant reduction of axonal density.
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Affiliation(s)
- R Zivadinov
- Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, NY 14203, USA.
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Zivadinov R, Bergsland N, Dolezal O, Hussein S, Seidl Z, Dwyer MG, Vaneckova M, Krasensky J, Potts JA, Kalincik T, Havrdová E, Horáková D. Evolution of cortical and thalamus atrophy and disability progression in early relapsing-remitting MS during 5 years. AJNR Am J Neuroradiol 2013; 34:1931-9. [PMID: 23578679 DOI: 10.3174/ajnr.a3503] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Pathologic changes in GM have an important role in MS. We investigated the association between SDGM and cortical volume changes and disability progression in early RRMS. MATERIALS AND METHODS One hundred eighty patients with RRMS had clinical assessment during 5 years and were divided into those with or without SDP at 5 years by the usual definition in treatment trials. The number of available MR imaging scans at various time points was the following: at baseline, 178; and at 6 months, 172; at 12 months, 175; at 24 months, 155; at 36 months, 160; at 48 months, 158; and at 60 months, 162, respectively. Longitudinal changes in cortical, GM, and WM volume were calculated by using the direct method. RESULTS At 5 years, 90 patients with RRMS experienced SDP and 90 had stable disease. At baseline, patients with SDP had longer disease duration, greater T2-lesion volume, and smaller whole-brain, WM, cortical, and SDGM volume (P < .01). At 5 years, patients with SDP had significantly greater percentage decreases from baseline compared with those without SDP in the volume of the whole brain (P < .0001), cortex (P = .001), GM (P = .003), and thalamus (P = .01). In patients who developed SDP at 5 years and those who did not, mixed-effect models, adjusted for age, disease duration, and change of the treatment status, showed significant interactions between SDP status at 5 years and changes with time in whole-brain, cortical, lateral ventricle (all P < .001), thalamus (P = .006), and total SDGM (P = .0095) volume. CONCLUSIONS SDP is associated with progression of cortical, central, and thalamic atrophy in early RRMS during 5 years.
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Abstract
INTRODUCTION Perforated oesophagus is a surgical emergency with significant morbidity and mortality. Systemic fungal infection represents a poor response to the magnitude of the insult, which adds significantly to the risk of morbidity and mortality in these patients. We reviewed our experience with this group of patients over a six-year period in a tertiary referral centre. METHODS A retrospective clinical review was conducted of patients who were admitted following a ruptured oesophagus over a period of six years (January 2002 - January 2008). RESULTS We had 27 admissions (18 men and 9 women) following an isolated perforated oesophagus to our unit. The median patient age was 65 years (range: 22-87 years). The majority (n=24, 89%) presented with spontaneous perforations (Boerhaave's syndrome) and three (11%) were iatrogenic. Fungal organisms, predominantly Candida albicans, were positively cultured in pleural or blood samples in 16 (59%) of the 27 patients. Fourteen patients grew yeasts within the first seven days while two showed a delayed growth after ten days. Overall mortality was 5 out of 27 patients (19%). There was no mortality among the group that did not grow yeasts in their blood/pleural fluid while mortality was 31% (5/16) in the group with systemic fungal infection (p<0.001). A positive fungal culture was also associated with increase ventilation time, intensive care unit stay and inpatient hospital stay but not an increased rate of complications. CONCLUSIONS Systemic fungal infection in patients with a ruptured oesophagus affects a significant proportion of these patients and carries a poor prognosis despite advanced critical care interventions. It may represent a general marker of poor host response to a major insult but can add to mortality and morbidity. It is worth considering adding antifungal therapy empirically at an early stage to antimicrobials in patients with an established diagnosis of a perforated oesophagus.
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Affiliation(s)
- H Elsayed
- Liverpool Heart and Chest Hospital NHS Foundation Trust, UK.
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Zivadinov R, Dwyer MG, Hussein S, Carl E, Kennedy C, Andrews M, Hojnacki D, Heininen-Brown M, Willis L, Cherneva M, Bergsland N, Weinstock-Guttman B. Voxel-wise magnetization transfer imaging study of effects of natalizumab and IFNβ-1a in multiple sclerosis. Mult Scler 2012; 18:1125-1134. [DOI: 10.1177/1352458511433304] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Objective: To determine the effects of intravenous natalizumab and intramuscular interferon beta-1a (IFNβ-1a) on the volume of white-matter (WM) lesions and normal appearing brain tissue (NABT) undergoing voxel-wise (VW) increases in magnetization transfer ratio (MTR) suggestive of remyelination in patients with relapsing multiple sclerosis. Methods: This prospective, open-label, single-blinded study enrolled patients with relapsing–remitting multiple sclerosis (RRMS) and relapsing secondary progressive multiple sclerosis (RSPMS) as well as a group of age/sex-matched healthy controls ( n=22). Patients with multiple sclerosis were assigned to receive natalizumab monotherapy ( n=77; RRMS/RSPMS) or intramuscular IFNβ-1a ( n=26) as either monotherapy (RRMS) or combined with pulsed i.v. methylprednisolone, as needed (RSPMS). The primary endpoint was the two-year change in volume of NABT VWMTR, by quantifying the number of voxels that increased (suggesting remyelination) or decreased (suggesting demyelination) in their MTR value. Results: The volume of tissue undergoing increases in VWMTR was significantly larger in natalizumab compared with IFNβ-1a-treated patients (year 1: p=0.001 in NABT and p<0.006 in WM lesions; year 2: p=0.008 in NABT) and compared with healthy control subjects (year 1: p=0.05 and year 2: p=0.007 in NABT). The larger volume within NABT undergoing decreases in VWMTR was detected in multiple sclerosis patients compared with healthy controls ( p<0.001), and in the IFNβ-1a group compared with the natalizumab group (year 1: p=0.05; year 2: p=0.002). One patient on natalizumab died from progressive multifocal leukoencephalopathy eight months after completing the study. Conclusion: Natalizumab may promote remyelination and stabilize demyelination in lesions and NABT in relapsing multiple sclerosis, compared with intramuscular IFNβ-1a.
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Affiliation(s)
- R Zivadinov
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
- The Jacobs Neurological Institute, Department of Neurology, University at Buffalo, State University of New York, Buffalo, USA
| | - MG Dwyer
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - S Hussein
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - E Carl
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - C Kennedy
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - M Andrews
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - D Hojnacki
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - M Heininen-Brown
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - L Willis
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - M Cherneva
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - N Bergsland
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
| | - B Weinstock-Guttman
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, USA
- The Jacobs Neurological Institute, Department of Neurology, University at Buffalo, State University of New York, Buffalo, USA
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Zivadinov R, Bergsland N, Dolezal O, Hussein S, Seidl Z, Dwyer M, Vaneckova M, Krasensky J, Potts J, Havrdova E, Horakova D. Subcortical but Not Cortical Gray Matter Atrophy Predicts Disability Progression over 5 Years in Patients with Early Relapsing-Remitting Multiple Sclerosis (P03.063). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p03.063] [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: 11/15/2022] Open
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Livshits I, Hussein S, Kennedy C, Weinstock-Guttman B, Hojnacki D, Zivadinov R. Comparison of a 1.5T Standard vs. 3T Optimized Protocols in Multiple Sclerosis Patients (P03.053). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p03.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Livshits I, Hussein S, Kennedy C, Weinstock-Guttman B, Hojnacki D, Zivadinov R. Comparison of a 1.5T standard vs. 3T optimized protocols in multiple sclerosis patients. Minerva Med 2012; 103:97-102. [PMID: 22513514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
AIM Use of postcontrast T1-weighted imaging (WI) is an important tool in diagnosing and predicting the course of multiple sclerosis (MS). Application of optimized imaging strategies has the potential to increase detection of magnetic resonance imaging (MRI) disease activity. This study investigated the superiority of the 3T optimized vs. the 1.5T standardized protocols in detecting gadolinium enhancing (GD-E) lesions in patients with MS. METHODS A standard protocol was defined as a 1.5T scan with a single-dose of Gd and a 5-minute scanning delay after injection. An optimized protocol was defined as a 3T MRI scan, using a triple dose of Gd, 20 min scan delay, and using an off-resonance saturated magnetization transfer pulse to reduce the background signal. Fourteen relapsing-remitting MS patients and 3 healthy controls (HC) were scanned with 1.5T standardized and a 3T optimized protocols in random order over 72 hours. RESULTS There were 47 Gd-E lesions in the MS patients on 3T optimized and 34 on 1.5T standard protocols, a 38.2% increase. There was a significant increase in Gd-enhanced lesion volume (LV) detected with the optimized protocol (179.6%, P<0.05), with 94.6% of the mean Gd-enhanced LV detected only on the 3T optimized protocol. No Gd-E lesions were detected in HC on either protocol. CONCLUSION The 3T optimized protocol is a useful technique for increasing sensitivity of MRI to detect Gd-E lesions.
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Affiliation(s)
- I Livshits
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, NY, USA.
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Struckmeyer I, Hussein K, Hussein S. Lateral transcanthal-microsurgical resection of a nontraumatic intraorbital ophthalmic artery aneurysm. J Neurol Surg A Cent Eur Neurosurg 2011; 73:180-6. [PMID: 21837587 DOI: 10.1055/s-0032-1313631] [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: 10/28/2022]
Affiliation(s)
- I Struckmeyer
- Hannover Medical School, Institute of Pathology, Hannover, Germany
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El Darouti MA, Hussein S, Al Tahlawy SR, Al Fangary M, Mashaly HM, El Nabarawy E, Al Tawdy A, Fawzi M, Abdel Hay RM. Clinical study of nail changes in leprosy and comparison with nail changes in diabetic patients. J Eur Acad Dermatol Venereol 2011; 25:290-5. [DOI: 10.1111/j.1468-3083.2010.03783.x] [Citation(s) in RCA: 13] [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: 11/27/2022]
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Zivadinov R, Schirda C, Dwyer MG, Haacke ME, Weinstock-Guttman B, Menegatti E, Heininen-Brown M, Magnano C, Malagoni AM, Wack DS, Hojnacki D, Kennedy C, Carl E, Bergsland N, Hussein S, Poloni G, Bartolomei I, Salvi F, Zamboni P. Chronic cerebrospinal venous insufficiency and iron deposition on susceptibility-weighted imaging in patients with multiple sclerosis: a pilot case-control study. INT ANGIOL 2010; 29:158-175. [PMID: 20351672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
AIM Chronic cerebrospinal venous insufficiency (CCSVI) is a vascular phenomenon recently described in multiple sclerosis (MS) that is characterized by stenoses affecting the main extracranial venous outflow pathways and by a high rate of cerebral venous reflux that may lead to increased iron deposition in the brain. Aim of this study was to investigate the relationship between CCSVI and iron deposition in the brain of MS patients by correlating venous hemodynamic (VH) parameters and iron concentration in deep-gray matter structures and lesions, as measured by susceptibility-weighted imaging (SWI), and to preliminarily define the relationship between iron measures and clinical and other magnetic resonance imaging (MRI) outcomes. METHODS Sixteen (16) consecutive relapsing-remitting MS patients and 8 age- and sex-matched healthy controls (HC) were scanned on a GE 3T scanner, using SWI. RESULTS All 16 MS patients fulfilled the diagnosis of CCSVI (median VH=4), compared to none of the HC. In MS patients, the higher iron concentration in the pulvinar nucleus of the thalamus, thalamus, globus pallidus, and hippocampus was related to a higher number of VH criteria (P<0.05). There was also a significant association between a higher number of VH criteria and higher iron concentration of overlapping T2 (r=-0.64, P=0.007) and T1 (r=-0.56, P=0.023) phase lesions. Iron concentration measures were related to longer disease duration and increased disability as measured by EDSS and MSFC, and to increased MRI lesion burden and decreased brain volume. CONCLUSION The findings from this pilot study suggest that CCSVI may be an important mechanism related to iron deposition in the brain parenchyma of MS patients. In turn, iron deposition, as measured by SWI, is a modest-to-strong predictor of disability progression, lesion volume accumulation and atrophy development in patients with MS.
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Affiliation(s)
- R Zivadinov
- Buffalo Neuroimaging Analysis Center, University at Buffalo, Buffalo, NY, USA.
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Abd-Elgayed A, Hussein S, Saleh H. STUDIES ON SOME ECOLOGICAL AND BIOLOGICAL OBSERVATIONS OF THE PARASITOIDS, Apanteles SPP. (HYMENOPTERA: BRACONIDAE) ON THE HAWAIIAN BEET WEBWORM, Hymenia recurvalis FAB. (LEPIDOPTERA: PYRALIDAE) AT FAYOUM DISTRICT. Journal of Plant Protection and Pathology 2010; 1:209-217. [DOI: 10.21608/jppp.2010.86716] [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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Zamboni P, Menegatti E, Weinstock-Guttman B, Schirda C, Cox JL, Malagoni AM, Hojnacki D, Kennedy C, Carl E, Dwyer MG, Bergsland N, Galeotti R, Hussein S, Bartolomei I, Salvi F, Ramanathan M, Zivadinov R. CSF dynamics and brain volume in multiple sclerosis are associated with extracranial venous flow anomalies: a pilot study. INT ANGIOL 2010; 29:140-148. [PMID: 20351670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
AIM We previously reported unexpectedly robust associations between vascular haemodynamic (VH) anomalies in the principal extracranial cerebral veins, causing chronic cerebrospinal venous insufficiency (CCSVI), and multiple sclerosis (MS). Aim of this study was to investigate the relationship between the VH changes and MRI measures of MS disease severity in a cross sectional survey. METHODS The number of anomalous VH criteria were measured using an echo-color Doppler, whereas CSF flow, atrophy and lesion measures were obtained from quantitative magnetic resonance imaging (MRI) analysis in sixteen consecutive relapsing-remitting MS patients, (mean age: 36.1+/-SD 7.3 years, disease duration: 7.5+/-1.9 years and median EDSS: 2.5) and in 8 healthy controls (HC) with similar age and sex distributions. RESULTS All 16 MS patients investigated and none of the HCs met the VH criteria for CCSVI (P<0.0001). MS patients showed significantly lower net CSF flow compared to the HC (P=0.038) that was associated with number of anomalous VH criteria present (r=0.79, P<0.001). Moreover, increases in the number of anomalous VH criteria present were negatively associated with lower whole brain volume (Spearman R=-0.5, P=0.05). CONCLUSION VH changes occur more frequently in MS patients than controls. Altered VH is associated with abnormal CSF flow dynamics and decreased brain volume.
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Affiliation(s)
- P Zamboni
- Vascular Diseases Center, University of Ferrara-Bellaria Neurosciences, Ferrara and Bologna, Italy.
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Weinstock-Guttman B, Ramanathan M, Hashmi K, Abdelrahman N, Hojnacki D, Dwyer MG, Hussein S, Bergsland N, Munschauer FE, Zivadinov R. Increased tissue damage and lesion volumes in African Americans with multiple sclerosis. Neurology 2010; 74:538-44. [DOI: 10.1212/wnl.0b013e3181cff6fb] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Horáková D, Kýr M, Havrdová E, Doležal O, Lelková P, Pospíšilová L, Bergsland N, Dwyer MG, Cox JL, Hussein S, Seidl Z, Vaněčková M, Krásenský J, Zivadinov R. Apolipoprotein E ε4-positive multiple sclerosis patients develop more gray-matter and whole-brain atrophy: a 15-year disease history model based on a 4-year longitudinal study. Folia Biol (Praha) 2010; 56:242-251. [PMID: 21324265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Multiple sclerosis is a disease with considerable individual variation, and genetic background plays a key role in disease susceptibility and severity. The objective of the study was to evaluate the relationship between apolipoprotein E (APOE) genotype and the evolution of different clinical and MRI parameters. We investigated a group of 150 relapsingremitting patients that completed 4-year follow-up. The mean age was 30.2 years, disease duration 56.8 months, and baseline Expanded Disability Status Scale (EDSS) 1.8. The changes in brain parenchymal volume (BPV), gray matter (GMV), white matter (WMV) and peripheral gray volume (PGMV) were measured by SIENA/X. T2-lesion volume was assessed by semi-automated methods. The mixed-effect model analysis was used to investigate evolution of clinical and MRI parameters in relation to the APOE ε4 genotype considering two different time models: 4-year follow-up and 15-year period from disease onset. We identified 36 APOE ε4-positive patients. Decline of GMV (P = 0.017), and BPV (P = 0.029) were significantly faster in APOE ε4-positive than in APOE ε4-negative patients in the 15-year model. In the 4- year model, a trend for faster decrease of GMV was found in APOE ε4-positive patients (P = 0.067). No differences in other MRI parameters or EDSS were found between the APOE groups. The results of the study suggest that APOE ε4-positive patients experience faster rate of gray matter atrophy.
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Affiliation(s)
- D Horáková
- Charles University in Prague, First Faculty of Medicine, Department of Neurology and Center of Clinical Neuroscience, Prague, Czech Republic.
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Hussein S, Imam A, Rayis D, Khamis A. P470 Postgraduates' Clinical Assessment in Obstetrics and Gynaecology in Sudan: Long Case, OSCEs or both. Int J Gynaecol Obstet 2009. [DOI: 10.1016/s0020-7292(09)61961-5] [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: 10/20/2022]
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Hussein S, Abdel-Khair S, Haroun S, Abugarga I, Abdel-Rahman M, Nasreen S, Imam B, Elmardi A. O395 The impact of the advanced life support in obstetrics (ALSO) on Sudan. Int J Gynaecol Obstet 2009. [DOI: 10.1016/s0020-7292(09)60767-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Zivadinov R, Weinstock-Guttman B, Hashmi K, Abdelrahman N, Stosic M, Dwyer M, Hussein S, Durfee J, Ramanathan M. Smoking is associated with increased lesion volumes and brain atrophy in multiple sclerosis. Neurology 2009; 73:504-10. [PMID: 19687451 DOI: 10.1212/wnl.0b013e3181b2a706] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Cigarette smoking has been linked to higher susceptibility and increased risk of progressive multiple sclerosis (MS). The effects of smoking on MRI characteristics of patients with MS have not been evaluated. OBJECTIVES To compare the MRI characteristics in cigarette smoker and nonsmoker patients with MS. METHODS We studied 368 consecutive patients with MS (age 44.0 +/-SD 10.2 years, disease duration 12.1 +/- 9.1 years) comprising 240 never-smokers and 128 (34.8%) ever-smokers (currently active and former smokers). The average number of packs per day smoked (+/-SD) was 0.95 +/- 0.65, and the mean duration of smoking was 18.0 +/- 9.5 years. All patients obtained full clinical and quantitative MRI evaluation. MRI measures included T1, T2, and gadolinium contrast-enhancing (CE) lesion volumes (LVs) and measures of central, global, and tissue-specific brain atrophy. The associations between smoking status and MRI measurements were assessed in regression analysis. RESULTS Smoking was associated with increased Expanded Disability Status Scale (EDSS) scores (p = 0.004). The median EDSS scores (interquartile range) in the ever-smoker group and the active-smoker group were both 3.0 (2.0), compared with 2.5 (2.5) in never-smokers. There were adverse associations between smoking and the lesion measures including increased number of CE lesions (p < 0.001), T2 LV (p = 0.009), and T1 LV (p = 0.003). Smoking was associated with decreased brain parenchymal fraction (p = 0.047) and with increases in the lateral ventricle volume (p = 0.001) and third ventricle width (p = 0.023). CONCLUSIONS Smoking is associated with increased blood-brain barrier disruption, higher lesion volumes, and greater atrophy in multiple sclerosis.
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Affiliation(s)
- R Zivadinov
- Buffalo Neuroimaging Analysis Center, State University of New York, Buffalo, NY 14203, USA
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Hussein K, Pasedag T, Brandis A, Klein R, Kreipe H, Hussein S. Klinischer Verlauf neurochirurgisch versorgter insulärer Tumoren. Akt Neurol 2009. [DOI: 10.1055/s-0029-1238741] [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: 10/20/2022]
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Zamboni P, Menegatti E, Weinstock-Guttman B, Schirda C, Cox JL, Malagoni AM, Hojanacki D, Kennedy C, Carl E, Dwyer MG, Bergsland N, Galeotti R, Hussein S, Bartolomei I, Salvi F, Zivadinov R. The severity of chronic cerebrospinal venous insufficiency in patients with multiple sclerosis is related to altered cerebrospinal fluid dynamics. Funct Neurol 2009; 24:133-138. [PMID: 20018140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Chronic cerebrospinal venous insufficiency (CCSVI) is a vascular picture that shows a strong association with multiple sclerosis (MS). The aim of this study was to investigate the relationship between a Doppler cerebral venous hemodynamic insufficiency severity score (VHISS) and cerebrospinal fluid (CSF) flow dynamics in 16 patients presenting with CCSVI and relapsing-remitting MS (CCSVI-MS) and in eight healthy controls (HCs). The two groups (patients and controls) were evaluated using validated echo-Doppler and advanced 3T-MRI CSF flow measures. Compared with the HCs, the CCSVI-MS patients showed a significantly lower net CSF flow (p=0.027) which was highly associated with the VHISS (r=0.8280, r2=0.6855; p=0.0001). This study demonstrates that venous outflow disturbances in the form of CCSVI significantly impact on CSF pathophysiology in patients with MS.
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Affiliation(s)
- P Zamboni
- Vascular Diseases Center, University of Ferrera, and Bellaria Neurosciences, Ferrara and Bologna, Italy.
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Havrdova E, Zivadinov R, Krasensky J, Dwyer MG, Novakova I, Dolezal O, Ticha V, Dusek L, Houzvickova E, Cox JL, Bergsland N, Hussein S, Svobodnik A, Seidl Z, Vaneckova M, Horakova D. Randomized study of interferon beta-1a, low-dose azathioprine, and low-dose corticosteroids in multiple sclerosis. Mult Scler 2009; 15:965-76. [DOI: 10.1177/1352458509105229] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background Studies evaluating interferon beta (IFNβ) for multiple sclerosis (MS) showed only partial efficacy. In many patients, IFNβ does not halt relapses or disability progression. One strategy to potentially enhance efficacy is to combine IFNβ with classical immunosuppressive agents, such as azathioprine (AZA) or corticosteroids, commonly used for other autoimmune disorders. Objective The Avonex–Steroids–Azathioprine study was placebo-controlled trial and evaluated efficacy of IFNβ-1a alone and combined with low-dose AZA alone or low-dose AZA and low-dose corticosteroids as initial therapy. Methods A total of 181 patients with relapsing–remitting MS (RRMS) were randomized to receive IFNβ-1a 30 μg intramuscularly (IM) once weekly, IFNβ-1a 30 μg IM once weekly plus AZA 50 mg orally once daily, or IFNβ-1a 30 μg IM once weekly plus AZA 50 mg orally once daily plus prednisone 10 mg orally every other day. The primary end point was annualized relapse rate (ARR) at 2 years. Patients were eligible for enrollment in a 3-year extension. Results At 2 years, adjusted ARR was 1.05 for IFNβ-1a, 0.91 for IFNβ-1a plus AZA, and 0.73 for combination. The cumulative probability of sustained disability progression was 16.8% for IFNβ-1a, 20.7% for IFNβ-1a plus AZA, and 17.5% for combination. There were no statistically significant differences among groups for either measure at 2 and 5 years. Percent T2 lesion volume change at 2 years was significantly lower for combination (+14.5%) versus IFNβ-1a alone (+30.3%, P < 0.05). Groups had similar safety profiles. Conclusion In IFNβ-naïve patients with early active RRMS, combination treatment did not show superiority over IFNβ-1a monotherapy.
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Affiliation(s)
- E Havrdova
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - R Zivadinov
- Department of Neurology, Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, Buffalo, NY, USA
| | - J Krasensky
- Department of Radiology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - MG Dwyer
- Department of Neurology, Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, Buffalo, NY, USA
| | - I Novakova
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - O Dolezal
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - V Ticha
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - L Dusek
- Center of Biostatistics and Analyses, Faculty of Medicine and Faculty of Sciences, Masaryk University, Brno, Czech Republic
| | - E Houzvickova
- Department of Neurology, Charles University in Prague, Second Faculty of Medicine, Prague, Czech Republic
| | - JL Cox
- Department of Neurology, Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, Buffalo, NY, USA
| | - N Bergsland
- Department of Neurology, Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, Buffalo, NY, USA
| | - S Hussein
- Department of Neurology, Buffalo Neuroimaging Analysis Center, State University of New York at Buffalo, Buffalo, NY, USA
| | - A Svobodnik
- Center of Biostatistics and Analyses, Faculty of Medicine and Faculty of Sciences, Masaryk University, Brno, Czech Republic
| | - Z Seidl
- Department of Radiology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - M Vaneckova
- Department of Radiology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
| | - D Horakova
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
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Hussein S, Schmidt H, Volkmar M, Werner C, Helmich I, Piorko F, Krüger J, Hesse S. Muscle coordination in healthy subjects during floor walking and stair climbing in robot assisted gait training. Annu Int Conf IEEE Eng Med Biol Soc 2009; 2008:1961-4. [PMID: 19163075 DOI: 10.1109/iembs.2008.4649572] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The aim of gait rehabilitation is a restoration of an independent gait and improvement of daily life walking functions. Therefore the specific patterns, that are to be relearned, must be practiced to stimulate the learning process of the central nervous system (CNS). The Walking Simulator HapticWalker allows for the training of arbitrary gait trajectories of daily life. To evaluate the quality of the training a total of 9 subjects were investigated during free floor walking and stair climbing and during the same tasks in two different training modes on the HapticWalker: 1) with and 2) without vertical center of mass (CoM) motion. Electromyograms (EMG) of 8 gait relevant muscles were measured and muscle activation was compared for the various training modes. Besides the muscle activation as an indicator for the quality of rehabilitation training the study investigates if a cancellation of the vertical CoM movement by adaption of the footplate trajectory is feasible i.e. the muscle activation patterns for the two training modes on the HapticWalker agree. Results show no significant differences in activation timing between the training modes. This indicates the feasibility of using a passive patient suspension and emulate the vertical CoM motion by trajectory adaption of the footplates. The muscle activation timing during HapticWalker training shows important characteristics observed in physiological free walking though a few differences can still remain.
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Affiliation(s)
- S Hussein
- Rehabilitation Robotics Group (IPK/TU Berlin), Faculty of Mechanical Engineering, Technical University of of Berlin 10587, Germany.
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Horakova D, Cox JL, Havrdova E, Hussein S, Dolezal O, Cookfair D, Dwyer MG, Seidl Z, Bergsland N, Vaneckova M, Zivadinov R. Evolution of different MRI measures in patients with active relapsing-remitting multiple sclerosis over 2 and 5 years: a case-control study. J Neurol Neurosurg Psychiatry 2008; 79:407-14. [PMID: 17550987 DOI: 10.1136/jnnp.2007.120378] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND There is growing evidence for the concept of multiple sclerosis (MS) as an inflammatory neurodegenerative disease, with a different pattern of atrophy evolution in grey matter (GM) and white matter (WM) tissue compartments. OBJECTIVE We aimed to investigate the evolution of different MRI measures in early relapsing-remitting patients with MS and in normal controls (NCs) over 2 years. We also evaluated the progression of these MRI measures in a subset of patients who were followed for up to 5 years. METHODS Included in this study were 147 patients who participated in the combination ASA (Avonex Steroids Azathioprine) study and completed full treatment, clinical and MRI assessment at 0, 12 and 24 months. A subgroup of 66 patients was followed for 36 months, 51 patients for 48 months and 43 patients for 60 months. Mean age at baseline was 30.7 years, mean disease duration was 5.5 years, mean EDSS was 1.8 and mean annualised relapse rate before study entry was 1.7. MRI scans were performed on a 1.5T scanner every 2 months for the first 2 years and thereafter once yearly for up to 5 years. In addition to the MS group, 27 NCs were examined at months 0, 12 and 24 using the same MRI protocol. Percentage brain volume change (PBVC), GM volume (GMV), WM volume (WMV) and peripheral grey volume (PGV) were measured annually using SIENA/X software. T2-hyperintense lesion volume (LV), lateral ventricle volume (LVV) and third ventricle width (3VW) were also assessed annually. RESULTS Over the period of 0-24 months, patients with MS lost significantly more GMV (-2.6% vs -0.72%, p<0.001), PGV (-2.4% vs -1.03%, p<0.001) and PBVC (-1.2% vs -0.22%, p<0.001), and increased in LVV (+16.6% vs +0.55%, p<0.003) and 3VW (+9.3% vs 0%, p = 0.003), when compared with NCs. Within-person change in MRI measures for patients with MS over 5 years was -4.2% for PBVC, -6.2% for GMV, -5.8% for PGV, -0.5% for WMV (all p<0.001), +68.7 for LVV (p<0.001), +4% for 3VW (p<0.001) and +42% for T2-LV (p<0.001). CONCLUSIONS Our study confirmed a different pattern of GM, WM and central atrophy progression over 2 years between patients with MS and NCs. The study showed a different evolution of tissue compartment atrophy measures in patients with MS, with faster decline in cortical and deep GM regions, as well as periventricular WM regions, over a 5-year period.
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Affiliation(s)
- D Horakova
- Department of Neurology, Charles University in Prague, First Faculty of Medicine, Prague, Czech Republic
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Hussein S, Seifert V. Zur postoperativen Hochdruckbehandlung mit Urapidil bei Patienten mit Hirngefäßaneurysmen. Anasthesiol Intensivmed Notfallmed Schmerzther 2008. [DOI: 10.1055/s-2007-1001580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Hussein S. Anxiety during pregnancy among Sudanese pregnant women. Sud Jnl Med Sci 2007. [DOI: 10.4314/sjms.v1i2.38452] [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: 11/17/2022] Open
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Pott L, Wippermann B, Hussein S, Günther T, Brüsch U, Fremerey R. [PMMA pulmonary embolism and post interventional associated fractures after percutaneous vertebroplasty]. Orthopade 2005; 34:698-700, 702. [PMID: 15856167 DOI: 10.1007/s00132-005-0785-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A 78-year old woman with osteoporotic collapse of the Th12 and L4 vertebrae was treated by percutaneous vertebroplasty (pVp) with PMMA (polymethylmethacrylate). Postoperatively, the Th11 and L1 vertebrae collapsed so that a second vertebroplasty was performed. Postoperatively, the patient developed a severe pulmonary embolism which was treated conservatively. In this report, the complications of pulmonary embolism, perivertebral leakage of PMMA and of additional vertebral collapses after pVp are discussed.
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Affiliation(s)
- L Pott
- Unfallchirurgische Klinik, Klinikum Hildesheim GmbH
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Wally F, Abd El-Bar N, Hussein S. PREPARATION AND EVALUATION OF DIFFERENT TYPES OF SAUCE FORTIFIED WITH SOME PROCESSED MEAT PRODUCTS. Egyptian Journal of Agricultural Sciences 2004; 55:301-314. [DOI: 10.21608/ejarc.2004.232851] [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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Böttcher J, Petrovitch A, Sörös P, Malich A, Hussein S, Kaiser WA. Conjoined lumbosacral nerve roots: current aspects of diagnosis. Eur Spine J 2004; 13:147-51. [PMID: 14634853 PMCID: PMC3476574 DOI: 10.1007/s00586-003-0634-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2002] [Revised: 08/18/2003] [Accepted: 08/29/2003] [Indexed: 10/26/2022]
Abstract
Conjoined lumbosacral nerve roots (CLNR) are the most common anomalies involving the lumbar nerve structures which can be one of the origins of failed back syndromes. They can cause sciatica even without the presence of a additional compressive impingement (such as disc herniation, spondylolisthesis or lateral recess stenosis), and often congenital lumbosacral spine anomalies (such as bony defects) are present at the "conjoined sheaths". This congenital anomaly has been reported in 14% of cadaver studies, but myelographic or computed tomographic studies have revealed an incidence of approximately 4% only. Diagnostic methods such as magnetic resonance imaging (MRI) are helpful for determination of the exact anatomical relations in this context. We present five typical cases of conjoined nerve roots observed during a 1 year period, equivalent to 6% of our out-patients without a history of surgical treatment on the lumbar spine. In all cases with suspicious radiological findings MRI or lumbar myelography combined with CT and multiplanar reconstructions is recommended.
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Affiliation(s)
- J Böttcher
- Institute for Diagnostic and Interventional Radiology, Friedrich Schiller University Jena, Bachstrasse 18, 07740, Jena, Germany.
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Abstract
A patient with atypical bilateral facial pain reported the loss of analgesic effect of intracerebroventricular morphine delivered continuously via an implanted pump, accompanied by intolerable adverse side effects associated with the administered high dose of morphine. Clonidine was substituted for morphine over a period of 3 weeks to achieve a drug holiday. The patient did not have significant withdrawal symptoms or major discomfort from pain, leading to a reduced quality of life during this period. Six months after the treatment, the patient continues to require a significantly lower daily dose of morphine. Morphine withdrawal with clonidine substitution produced a significant improvement in the analgesic efficacy of morphine and in the quality of life in the absence of undesirable side effects.
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Affiliation(s)
- M Lorenz
- Department of Neurosurgery, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany Department of Anesthesiology, Medizinische Hochschule Hannover, Hannover, Germany
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Lorenz M, Graubner G, Schumann H, Hussein S, Samii M. [Computer assisted plastic closure of calvarial defects]. Zentralbl Neurochir 2002; 62:98-101. [PMID: 11889624 DOI: 10.1055/s-2001-21794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Large bony skull defects sometimes face problems of some pathophysiological effects, protection of the underlying brain, the impaired appearance, and from a psychological point of view. A computer-assisted method is presented, which has been successfully used in 44 patients. From 3-D-CT data a phantom was built in which Refobacin-Palacos was modeled for individual requirements. The plastic can be implanted after sterilization and leads to excellent cosmetical results. The use of a negative model reveals the possibility of an extended field of application without the necessity of highly specialized computersystems.
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Affiliation(s)
- M Lorenz
- Neurochirurgische Klinik, Medizinische Hochschule Hannover, Germany.
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Jaeger M, Hussein S, Schuhmann MU, Brandis A, Samii M, Blömer U. Intraventricular trigonal ganglioglioma arising from the choroid plexus. Acta Neurochir (Wien) 2001; 143:953-5. [PMID: 11685629 DOI: 10.1007/s007010170027] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- M Jaeger
- Department of Neurosurgery, Medical School Hannover, Germany
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Lüdemann W, Schneekloth C, Samii M, Hussein S. Arterial supply of the temporo-medial region of the brain: significance for preoperative vascular occlusion testing. Surg Radiol Anat 2001; 23:39-43. [PMID: 11370141 DOI: 10.1007/s00276-001-0039-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The mesiobasal limbic system is of particular significance in the surgical treatment of temporo-medial tumors and epilepsy. It consists of the uncus, amygdaloid body, hippocampus, dentate gyrus, subiculum, fasciolar gyrus and the parahippocampal gyrus. Knowledge of the vascular microanatomy is a key to the surgical treatment of pathologies in the region. The anterior choroidal artery was selectively injected in fresh brain specimens: 50 specimens with a gelatinous ink mixture to demonstrate vascular territories in stereotactic brain slices, and 50 with a Biodur resin to obtain casts for microanatomical evaluation. The cast technique was also applied to 35 specimens injected into the posterior cerebral artery. The rostral third of the temporomedial region is mainly supplied by branches of the anterior choroidal artery. The occipital two thirds are supplied by hippocampal branches, the posteromedial choroidal artery and the inferior temporal branches of the posterior cerebral artery. Important vessel variations with significant implications for the preoperative Wada-test are presented.
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Affiliation(s)
- W Lüdemann
- Department of Neurosurgery, Medical School Hannover, 30625 Hannover, Germany.
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Abstract
We investigated the possible involvement of the upper alimentary tract in vincristine (VCR)-induced dysmotility. Gastric contractions were recorded by a strain-gauge force transducer in conscious rats. Rats were injected with various doses of VCR followed by continuous recording for 12 hr. Additionally, 3-hr recordings to study the later effects were performed one and three days after injection. Gastric motility was dose-dependently increased by VCR. Post- versus preinjection motility index (MI; area under contraction waves) ratios were 0.78+/-0.12 for saline and 1.95+/-0.21 for VCR at 0.75 mg/kg. This increase in MI was completely inhibited by atropine and hexamethonium. MI one day after injection of VCR (0.75 mg/kg) was significantly less than in control (0.32+/-0.10 vs 0.92+/-0.24, respectively). The decrease was reversed by acetylcholine. In conclusion, VCR first increased gastric motility, and this was followed by a gradual decrease in conscious rats. These alterations may involve a presynaptic cholinergic pathway.
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Affiliation(s)
- H Kaneko
- Department of Pediatrics, Gunma University School of Medicine, Maebashi, Japan
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Zhang J, Riverst G, Zhu Y, Jacobson A, Peyers J, Grundstrom G, Burch P, Hussein S, Marolewski A, Herlihy W, Rusche J. Identification of inhibitors of heparin–growth factor interactions from combinatorial libraries of four-component condensation reactions. Bioorg Med Chem 2001; 9:825-36. [PMID: 11354665 DOI: 10.1016/s0968-0896(00)00317-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Chemical libraries based on four-component condensation (4CC) reactions of isocyanides were constructed to identify compounds capable of blocking heparin binding to vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF). The reaction products in the synthesized libraries contain heparin mimetic functional groups such as carbohydrates, sulfonates, carboxylates, and hydroxy groups. These libraries have been screened for the inhibition of heparin binding to growth factors such as VEGF and bFGF. Single point screening at 5.0 microM of the 18,720 reaction products generated 26 candidates. The IC50S of these 26 compounds were determined using HPLC-purified products and 20 of the 26 showed significant inhibition of heparin binding to VEGF and/or bFGF. Eighteen of the 20 confirmed active compounds have a linear extended structure. Structures identified in this library revealed an initial relationship of structure and activity, thus providing direction for further investigation of this type of heparin mimetic libraries.
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Affiliation(s)
- J Zhang
- RepliGen Corporation, Needham, MA 02494, USA.
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