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Szabo Z, Moser J, Vincenti S. Persistent mullerian duct syndrome in a dog. SCHWEIZ ARCH TIERH 2023; 165:189-0. [PMID: 36852872 DOI: 10.17236/sat00389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
INTRODUCTION This case report describes a 14-year-old, male castrated York Shire Terrier, which was presented due to stranguria and tenesmus. An abdominal computed tomography (CT) scan raised a high suspicion of a persistent mullerian duct. During laparotomy structures were found that were suspected to be a persistent ovary and uterus. The abnormal uterus was filled with fluid and had a blind end on both sides. The abnormal structures were surgically removed and pathologically examined. Pathology confirmed a persistent mullerian duct. The patient recovered well from the surgery and was able to urinate spontaneously the same day and was discharged the next day.
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Affiliation(s)
- Z Szabo
- Abteilung Chirurgie, Departement für Kleintiere, Vetsuisse Fakultät, Universität Bern
| | - J Moser
- Freelance Veterinarian, Schweiz
| | - S Vincenti
- Abteilung Chirurgie, Departement für Kleintiere, Vetsuisse Fakultät, Universität Bern
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Falchook G, Fu S, Lemech C, Mckean M, Azad A, Gan H, Sommerhalder D, Wang J, Tan T, Chee C, Barve M, Moser J, Mooney J, Acuff N, Wang R, Marina N, Abbadessa G, Streit M, Ramusovic S, Meniawy T. 747P Phase I study of SAR444245 (SAR’245) as monotherapy (mono) and combined with pembrolizumab (pembro) or cetuximab (cetux) in patients (pts) with advanced solid tumors. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.873] [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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Proietti M, Romiti GF, Vitolo M, Harrison SL, Lane DA, Fauchier L, Marin F, Näbauer M, Potpara TS, Dan GA, Maggioni AP, Cesari M, Boriani G, Lip GYH, Ekmekçiu U, Paparisto V, Tase M, Gjergo H, Dragoti J, Goda A, Ciutea M, Ahadi N, el Husseini Z, Raepers M, Leroy J, Haushan P, Jourdan A, Lepiece C, Desteghe L, Vijgen J, Koopman P, Van Genechten G, Heidbuchel H, Boussy T, De Coninck M, Van Eeckhoutte H, Bouckaert N, Friart A, Boreux J, Arend C, Evrard P, Stefan L, Hoffer E, Herzet J, Massoz M, Celentano C, Sprynger M, Pierard L, Melon P, Van Hauwaert B, Kuppens C, Faes D, Van Lier D, Van Dorpe A, Gerardy A, Deceuninck O, Xhaet O, Dormal F, Ballant E, Blommaert D, Yakova D, Hristov M, Yncheva T, Stancheva N, Tisheva S, Tokmakova M, Nikolov F, Gencheva D, Shalganov T, Kunev B, Stoyanov M, Marchov D, Gelev V, Traykov V, Kisheva A, Tsvyatkov H, Shtereva R, Bakalska-Georgieva S, Slavcheva S, Yotov Y, Kubíčková M, Marni Joensen A, Gammelmark A, Hvilsted Rasmussen L, Dinesen P, Riahi S, Krogh Venø S, Sorensen B, Korsgaard A, Andersen K, Fragtrup Hellum C, Svenningsen A, Nyvad O, Wiggers P, May O, Aarup A, Graversen B, Jensen L, Andersen M, Svejgaard M, Vester S, Hansen S, Lynggaard V, Ciudad M, Vettus R, Muda P, Maestre A, Castaño S, Cheggour S, Poulard J, Mouquet V, Leparrée S, Bouet J, Taieb J, Doucy A, Duquenne H, Furber A, Dupuis J, Rautureau J, Font M, Damiano P, Lacrimini M, Abalea J, Boismal S, Menez T, Mansourati J, Range G, Gorka H, Laure C, Vassalière C, Elbaz N, Lellouche N, Djouadi K, Roubille F, Dietz D, Davy J, Granier M, Winum P, Leperchois-Jacquey C, Kassim H, Marijon E, Le Heuzey J, Fedida J, Maupain C, Himbert C, Gandjbakhch E, Hidden-Lucet F, Duthoit G, Badenco N, Chastre T, Waintraub X, Oudihat M, Lacoste J, Stephan C, Bader H, Delarche N, Giry L, Arnaud D, Lopez C, Boury F, Brunello I, Lefèvre M, Mingam R, Haissaguerre M, Le Bidan M, Pavin D, Le Moal V, Leclercq C, Piot O, Beitar T, Martel I, Schmid A, Sadki N, Romeyer-Bouchard C, Da Costa A, Arnault I, Boyer M, Piat C, Fauchier L, Lozance N, Nastevska S, Doneva A, Fortomaroska Milevska B, Sheshoski B, Petroska K, Taneska N, Bakrecheski N, Lazarovska K, Jovevska S, Ristovski V, Antovski A, Lazarova E, Kotlar I, Taleski J, Poposka L, Kedev S, Zlatanovik N, Jordanova S, Bajraktarova Proseva T, Doncovska S, Maisuradze D, Esakia A, Sagirashvili E, Lartsuliani K, Natelashvili N, Gumberidze N, Gvenetadze R, Etsadashvili K, Gotonelia N, Kuridze N, Papiashvili G, Menabde I, Glöggler S, Napp A, Lebherz C, Romero H, Schmitz K, Berger M, Zink M, Köster S, Sachse J, Vonderhagen E, Soiron G, Mischke K, Reith R, Schneider M, Rieker W, Boscher D, Taschareck A, Beer A, Oster D, Ritter O, Adamczewski J, Walter S, Frommhold A, Luckner E, Richter J, Schellner M, Landgraf S, Bartholome S, Naumann R, Schoeler J, Westermeier D, William F, Wilhelm K, Maerkl M, Oekinghaus R, Denart M, Kriete M, Tebbe U, Scheibner T, Gruber M, Gerlach A, Beckendorf C, Anneken L, Arnold M, Lengerer S, Bal Z, Uecker C, Förtsch H, Fechner S, Mages V, Martens E, Methe H, Schmidt T, Schaeffer B, Hoffmann B, Moser J, Heitmann K, Willems S, Willems S, Klaus C, Lange I, Durak M, Esen E, Mibach F, Mibach H, Utech A, Gabelmann M, Stumm R, Ländle V, Gartner C, Goerg C, Kaul N, Messer S, Burkhardt D, Sander C, Orthen R, Kaes S, Baumer A, Dodos F, Barth A, Schaeffer G, Gaertner J, Winkler J, Fahrig A, Aring J, Wenzel I, Steiner S, Kliesch A, Kratz E, Winter K, Schneider P, Haag A, Mutscher I, Bosch R, Taggeselle J, Meixner S, Schnabel A, Shamalla A, Hötz H, Korinth A, Rheinert C, Mehltretter G, Schön B, Schön N, Starflinger A, Englmann E, Baytok G, Laschinger T, Ritscher G, Gerth A, Dechering D, Eckardt L, Kuhlmann M, Proskynitopoulos N, Brunn J, Foth K, Axthelm C, Hohensee H, Eberhard K, Turbanisch S, Hassler N, Koestler A, Stenzel G, Kschiwan D, Schwefer M, Neiner S, Hettwer S, Haeussler-Schuchardt M, Degenhardt R, Sennhenn S, Steiner S, Brendel M, Stoehr A, Widjaja W, Loehndorf S, Logemann A, Hoskamp J, Grundt J, Block M, Ulrych R, Reithmeier A, Panagopoulos V, Martignani C, Bernucci D, Fantecchi E, Diemberger I, Ziacchi M, Biffi M, Cimaglia P, Frisoni J, Boriani G, Giannini I, Boni S, Fumagalli S, Pupo S, Di Chiara A, Mirone P, Fantecchi E, Boriani G, Pesce F, Zoccali C, Malavasi VL, Mussagaliyeva A, Ahyt B, Salihova Z, Koshum-Bayeva K, Kerimkulova A, Bairamukova A, Mirrakhimov E, Lurina B, Zuzans R, Jegere S, Mintale I, Kupics K, Jubele K, Erglis A, Kalejs O, Vanhear K, Burg M, Cachia M, Abela E, Warwicker S, Tabone T, Xuereb R, Asanovic D, Drakalovic D, Vukmirovic M, Pavlovic N, Music L, Bulatovic N, Boskovic A, Uiterwaal H, Bijsterveld N, De Groot J, Neefs J, van den Berg N, Piersma F, Wilde A, Hagens V, Van Es J, Van Opstal J, Van Rennes B, Verheij H, Breukers W, Tjeerdsma G, Nijmeijer R, Wegink D, Binnema R, Said S, Erküner Ö, Philippens S, van Doorn W, Crijns H, Szili-Torok T, Bhagwandien R, Janse P, Muskens A, van Eck M, Gevers R, van der Ven N, Duygun A, Rahel B, Meeder J, Vold A, Holst Hansen C, Engset I, Atar D, Dyduch-Fejklowicz B, Koba E, Cichocka M, Sokal A, Kubicius A, Pruchniewicz E, Kowalik-Sztylc A, Czapla W, Mróz I, Kozlowski M, Pawlowski T, Tendera M, Winiarska-Filipek A, Fidyk A, Slowikowski A, Haberka M, Lachor-Broda M, Biedron M, Gasior Z, Kołodziej M, Janion M, Gorczyca-Michta I, Wozakowska-Kaplon B, Stasiak M, Jakubowski P, Ciurus T, Drozdz J, Simiera M, Zajac P, Wcislo T, Zycinski P, Kasprzak J, Olejnik A, Harc-Dyl E, Miarka J, Pasieka M, Ziemińska-Łuć M, Bujak W, Śliwiński A, Grech A, Morka J, Petrykowska K, Prasał M, Hordyński G, Feusette P, Lipski P, Wester A, Streb W, Romanek J, Woźniak P, Chlebuś M, Szafarz P, Stanik W, Zakrzewski M, Kaźmierczak J, Przybylska A, Skorek E, Błaszczyk H, Stępień M, Szabowski S, Krysiak W, Szymańska M, Karasiński J, Blicharz J, Skura M, Hałas K, Michalczyk L, Orski Z, Krzyżanowski K, Skrobowski A, Zieliński L, Tomaszewska-Kiecana M, Dłużniewski M, Kiliszek M, Peller M, Budnik M, Balsam P, Opolski G, Tymińska A, Ozierański K, Wancerz A, Borowiec A, Majos E, Dabrowski R, Szwed H, Musialik-Lydka A, Leopold-Jadczyk A, Jedrzejczyk-Patej E, Koziel M, Lenarczyk R, Mazurek M, Kalarus Z, Krzemien-Wolska K, Starosta P, Nowalany-Kozielska E, Orzechowska A, Szpot M, Staszel M, Almeida S, Pereira H, Brandão Alves L, Miranda R, Ribeiro L, Costa F, Morgado F, Carmo P, Galvao Santos P, Bernardo R, Adragão P, Ferreira da Silva G, Peres M, Alves M, Leal M, Cordeiro A, Magalhães P, Fontes P, Leão S, Delgado A, Costa A, Marmelo B, Rodrigues B, Moreira D, Santos J, Santos L, Terchet A, Darabantiu D, Mercea S, Turcin Halka V, Pop Moldovan A, Gabor A, Doka B, Catanescu G, Rus H, Oboroceanu L, Bobescu E, Popescu R, Dan A, Buzea A, Daha I, Dan G, Neuhoff I, Baluta M, Ploesteanu R, Dumitrache N, Vintila M, Daraban A, Japie C, Badila E, Tewelde H, Hostiuc M, Frunza S, Tintea E, Bartos D, Ciobanu A, Popescu I, Toma N, Gherghinescu C, Cretu D, Patrascu N, Stoicescu C, Udroiu C, Bicescu G, Vintila V, Vinereanu D, Cinteza M, Rimbas R, Grecu M, Cozma A, Boros F, Ille M, Tica O, Tor R, Corina A, Jeewooth A, Maria B, Georgiana C, Natalia C, Alin D, Dinu-Andrei D, Livia M, Daniela R, Larisa R, Umaar S, Tamara T, Ioachim Popescu M, Nistor D, Sus I, Coborosanu O, Alina-Ramona N, Dan R, Petrescu L, Ionescu G, Popescu I, Vacarescu C, Goanta E, Mangea M, Ionac A, Mornos C, Cozma D, Pescariu S, Solodovnicova E, Soldatova I, Shutova J, Tjuleneva L, Zubova T, Uskov V, Obukhov D, Rusanova G, Soldatova I, Isakova N, Odinsova S, Arhipova T, Kazakevich E, Serdechnaya E, Zavyalova O, Novikova T, Riabaia I, Zhigalov S, Drozdova E, Luchkina I, Monogarova Y, Hegya D, Rodionova L, Rodionova L, Nevzorova V, Soldatova I, Lusanova O, Arandjelovic A, Toncev D, Milanov M, Sekularac N, Zdravkovic M, Hinic S, Dimkovic S, Acimovic T, Saric J, Polovina M, Potpara T, Vujisic-Tesic B, Nedeljkovic M, Zlatar M, Asanin M, Vasic V, Popovic Z, Djikic D, Sipic M, Peric V, Dejanovic B, Milosevic N, Stevanovic A, Andric A, Pencic B, Pavlovic-Kleut M, Celic V, Pavlovic M, Petrovic M, Vuleta M, Petrovic N, Simovic S, Savovic Z, Milanov S, Davidovic G, Iric-Cupic V, Simonovic D, Stojanovic M, Stojanovic S, Mitic V, Ilic V, Petrovic D, Deljanin Ilic M, Ilic S, Stoickov V, Markovic S, Kovacevic S, García Fernandez A, Perez Cabeza A, Anguita M, Tercedor Sanchez L, Mau E, Loayssa J, Ayarra M, Carpintero M, Roldán Rabadan I, Leal M, Gil Ortega M, Tello Montoliu A, Orenes Piñero E, Manzano Fernández S, Marín F, Romero Aniorte A, Veliz Martínez A, Quintana Giner M, Ballesteros G, Palacio M, Alcalde O, García-Bolao I, Bertomeu Gonzalez V, Otero-Raviña F, García Seara J, Gonzalez Juanatey J, Dayal N, Maziarski P, Gentil-Baron P, Shah D, Koç M, Onrat E, Dural IE, Yilmaz K, Özin B, Tan Kurklu S, Atmaca Y, Canpolat U, Tokgozoglu L, Dolu AK, Demirtas B, Sahin D, Ozcan Celebi O, Diker E, Gagirci G, Turk UO, Ari H, Polat N, Toprak N, Sucu M, Akin Serdar O, Taha Alper A, Kepez A, Yuksel Y, Uzunselvi A, Yuksel S, Sahin M, Kayapinar O, Ozcan T, Kaya H, Yilmaz MB, Kutlu M, Demir M, Gibbs C, Kaminskiene S, Bryce M, Skinner A, Belcher G, Hunt J, Stancombe L, Holbrook B, Peters C, Tettersell S, Shantsila A, Lane D, Senoo K, Proietti M, Russell K, Domingos P, Hussain S, Partridge J, Haynes R, Bahadur S, Brown R, McMahon S, Y H Lip G, McDonald J, Balachandran K, Singh R, Garg S, Desai H, Davies K, Goddard W, Galasko G, Rahman I, Chua Y, Payne O, Preston S, Brennan O, Pedley L, Whiteside C, Dickinson C, Brown J, Jones K, Benham L, Brady R, Buchanan L, Ashton A, Crowther H, Fairlamb H, Thornthwaite S, Relph C, McSkeane A, Poultney U, Kelsall N, Rice P, Wilson T, Wrigley M, Kaba R, Patel T, Young E, Law J, Runnett C, Thomas H, McKie H, Fuller J, Pick S, Sharp A, Hunt A, Thorpe K, Hardman C, Cusack E, Adams L, Hough M, Keenan S, Bowring A, Watts J, Zaman J, Goffin K, Nutt H, Beerachee Y, Featherstone J, Mills C, Pearson J, Stephenson L, Grant S, Wilson A, Hawksworth C, Alam I, Robinson M, Ryan S, Egdell R, Gibson E, Holland M, Leonard D, Mishra B, Ahmad S, Randall H, Hill J, Reid L, George M, McKinley S, Brockway L, Milligan W, Sobolewska J, Muir J, Tuckis L, Winstanley L, Jacob P, Kaye S, Morby L, Jan A, Sewell T, Boos C, Wadams B, Cope C, Jefferey P, Andrews N, Getty A, Suttling A, Turner C, Hudson K, Austin R, Howe S, Iqbal R, Gandhi N, Brophy K, Mirza P, Willard E, Collins S, Ndlovu N, Subkovas E, Karthikeyan V, Waggett L, Wood A, Bolger A, Stockport J, Evans L, Harman E, Starling J, Williams L, Saul V, Sinha M, Bell L, Tudgay S, Kemp S, Brown J, Frost L, Ingram T, Loughlin A, Adams C, Adams M, Hurford F, Owen C, Miller C, Donaldson D, Tivenan H, Button H, Nasser A, Jhagra O, Stidolph B, Brown C, Livingstone C, Duffy M, Madgwick P, Roberts P, Greenwood E, Fletcher L, Beveridge M, Earles S, McKenzie D, Beacock D, Dayer M, Seddon M, Greenwell D, Luxton F, Venn F, Mills H, Rewbury J, James K, Roberts K, Tonks L, Felmeden D, Taggu W, Summerhayes A, Hughes D, Sutton J, Felmeden L, Khan M, Walker E, Norris L, O’Donohoe L, Mozid A, Dymond H, Lloyd-Jones H, Saunders G, Simmons D, Coles D, Cotterill D, Beech S, Kidd S, Wrigley B, Petkar S, Smallwood A, Jones R, Radford E, Milgate S, Metherell S, Cottam V, Buckley C, Broadley A, Wood D, Allison J, Rennie K, Balian L, Howard L, Pippard L, Board S, Pitt-Kerby T. Epidemiology and impact of frailty in patients with atrial fibrillation in Europe. Age Ageing 2022; 51:6670566. [PMID: 35997262 DOI: 10.1093/ageing/afac192] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Frailty is a medical syndrome characterised by reduced physiological reserve and increased vulnerability to stressors. Data regarding the relationship between frailty and atrial fibrillation (AF) are still inconsistent. OBJECTIVES We aim to perform a comprehensive evaluation of frailty in a large European cohort of AF patients. METHODS A 40-item frailty index (FI) was built according to the accumulation of deficits model in the AF patients enrolled in the ESC-EHRA EORP-AF General Long-Term Registry. Association of baseline characteristics, clinical management, quality of life, healthcare resources use and risk of outcomes with frailty was examined. RESULTS Among 10,177 patients [mean age (standard deviation) 69.0 (11.4) years, 4,103 (40.3%) females], 6,066 (59.6%) were pre-frail and 2,172 (21.3%) were frail, whereas only 1,939 (19.1%) were considered robust. Baseline thromboembolic and bleeding risks were independently associated with increasing FI. Frail patients with AF were less likely to be treated with oral anticoagulants (OACs) (odds ratio 0.70, 95% confidence interval 0.55-0.89), especially with non-vitamin K antagonist OACs and managed with a rhythm control strategy, compared with robust patients. Increasing frailty was associated with a higher risk for all outcomes examined, with a non-linear exponential relationship. The use of OAC was associated with a lower risk of outcomes, except in patients with very/extremely high frailty. CONCLUSIONS In this large cohort of AF patients, there was a high burden of frailty, influencing clinical management and risk of adverse outcomes. The clinical benefit of OAC is maintained in patients with high frailty, but not in very high/extremely frail ones.
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Affiliation(s)
- Marco Proietti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giulio Francesco Romiti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Translational and Precision Medicine, Sapienza - University of Rome, Italy
| | - Marco Vitolo
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Stephanie L Harrison
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau, Tours, France
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, University of Murcia, CIBER-CV, Murcia, Spain
| | - Michael Näbauer
- Department of Cardiology, Ludwig-Maximilians-University, Munich, Germany
| | - Tatjana S Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia.,Clinical Center of Serbia, Belgrade, Serbia
| | - Gheorghe-Andrei Dan
- University of Medicine, 'Carol Davila', Colentina University Hospital, Bucharest, Romania
| | - Aldo P Maggioni
- ANMCO Research Center, Heart Care Foundation, Florence, Italy
| | - Matteo Cesari
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Bullock A, Grossman J, Fakih M, Lenz H, Gordon M, Margolin K, Wilky B, Mahadevan D, Trent J, Bockorny B, Moser J, Balmanoukian A, Schlechter B, Ortuzar Feliu W, Rosenthal K, Bullock B, Stebbing J, Godwin J, O'Day S, Tsimberidou A, El-Khoueiry A. LBA O-9 Botensilimab, a novel innate/adaptive immune activator, plus balstilimab (anti-PD-1) for metastatic heavily pretreated microsatellite stable colorectal cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.453] [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: 11/01/2022] Open
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5
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Lemoine M, My I, Mencke C, Butt M, Schleberger R, Muenkler P, Rottner L, Moser F, Moser J, Dinshaw L, Reissmann B, Ouyang F, Kirchhof P, Rillig A, Metzner A. Comparison of left atrial lesion size and troponin release of two novel single shot devices for pulmonary vein isolation: pulsed field ablation vs. multi-electrode radiofrequency balloon. Europace 2022. [DOI: 10.1093/europace/euac053.253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Introduction
Pulsed-field ablation (PFA) and the multi-electrode radiofrequency balloon (RFB) are two novel ablation technologies to perform pulmonary vein isolation (PVI). It is currently unknown whether these technologies differ in lesion formation and lesion extent.
Purpose
We compared the acute lesion extent after PVI induced by PFA and RFB by measuring low-voltage area in high-density maps and the release of biomolecules reflecting cardiac injury.
Methods
PVI was performed with a pentaspline catheter (FARAPULSE) applying PFA or with the compliant multi-electrode radiofrequency balloon (HELIOSTAR). Before and after PVI high-density mapping with CARTO3 was performed. In addition, blood samples were taken before transseptal puncture and after post-PVI remapping. Serum concentrations of high-sensitive Troponin I (hsTropI) were quantified by Immunoassay.
Results
50 patients undergoing PVI by PFA (n=26, age 71±10 y, 58% males, 58% persistent AF) or RFB (n=24; age 64±13 y, 54% males, 25% persistent AF) were evaluated. Acute PVI was achieved in all patients in both groups. Mean number of PFA pulses were n=34±5 and mean number RFB applications were n=8±3. Total posterior ablation area was bigger in PFA (19.0±6.2 cm²) than in RFB (9.0±2.2 cm²; p<0.001). The posterior distance between septal and lateral lesions was shorter in PFA (23.7±10.5 mm) than in RFB (30.0±7.3 mm; p=0.021). In a total of 38 patients increase of hsTropI was higher after PFA (625±138 pg/ml, n=28) vs. RFB (148±36 pg/ml; n=10; p=0.049) supporting the evidence of larger lesion extent by PFA.
Conclusion
Pulse-field ablation delivers larger acute lesion areas and higher troponin release upon successful pulmonary vein isolation than multi-electrode array balloon-based pulmonary vein isolation in this single-center series.
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Affiliation(s)
- M Lemoine
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - I My
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - C Mencke
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - M Butt
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - R Schleberger
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - P Muenkler
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - L Rottner
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - F Moser
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - J Moser
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - L Dinshaw
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - B Reissmann
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - F Ouyang
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - P Kirchhof
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - A Rillig
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
| | - A Metzner
- University Heart Center Hamburg, Department of Cardiology and Electrophysiology, Hamburg, Germany
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Obergassel J, Rottner L, Schleberger R, Moser F, Moser J, Dinshaw L, Lemoine MD, My I, Kirchhof P, Reissmann B, Metzner A, Rillig A. Shortened fluoroscopy duration and reduced use of contrast dye in cryoballoon-based pulmonary vein isolation procedures using KODEX-EPD’s novel occlusion tool. Europace 2022. [DOI: 10.1093/europace/euac053.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Private company. Main funding source(s): Study grant by EPD Solutions, Philips, Netherlands
Background
The occlusion tool was recently introduced for KODEX-EPD which is a novel dielectric high-resolution cardiac imaging system. The occlusion tool provides information about level of pulmonary vein occlusion by the cryoballoon (CB) in CB-based pulmonary vein isolation (PVI) ablation procedures for atrial fibrillation (AF).
Purpose
Assess effects of the introduction of the occlusion tool on procedural parameters during CB-PVI such as feasibility, acute efficacy and periprocedural safety of KODEX-EPD in different software versions.
Methods and Results
173 consecutive patients (60/173 (35%) paroxysmal AF, 64±12 years, 66/173 (38%) female) underwent CB-PVI with EPD imaging between 08/2019 and 10/2021. 38/173 (22%) of all patients were treated using software version 1.4.6, 33/173 (19%) patients with version 1.4.6a, 41/173 (24%) patients with version 1.4.7 and 61/173 (35%) patients with the latest version 1.4.8. Acute PVI was achieved in all patients. No major periprocedural complications were documented. Software version showed significant effects on procedure duration, fluoroscopy duration and dose area product in ANOVA testing (Figure 1A-C). The largest effect in post-hoc testing was observed for fluoroscopy duration (Figure 1B). Tobit regressions were fitted to model effects of software version on the censored variable contrast volume. All software versions predicted used contrast volume (p<0.00748, Figure 1D). Modelling only effects of procedure date on contrast volume was less accurate than for software version (r²=0.057, p for procedure date = 0.0031) and also a Likelihood-Ratio-Test between different regression models underlined significant effects of software version (p<0.0001).
Conclusion
CB-based PVI in combination with its PV-occlusion tool is feasible and safe. The present data strongly suggests a steady positive development of the novel wide-band dielectric imaging and mapping system towards a fluoroscopy- and dye-reduced CB-based AF-ablation. Software versions were introduced sequentially. Therefore time (procedure date) needs to be considered as the most relevant confounder of the described results (e.g. due to a learning curve using the system). However, differentiated statistical testing could show that the results are mainly explained by software version and only much weaker by procedure date.
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Affiliation(s)
- J Obergassel
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - L Rottner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - R Schleberger
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - F Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - J Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - L Dinshaw
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - MD Lemoine
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - I My
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - P Kirchhof
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - B Reissmann
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Metzner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Rillig
- University Heart & Vascular Center Hamburg, Hamburg, Germany
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Moser J, Unverdorben M, Wang CC, Bruggenjurgen B, Lee BC, Chen C, Pecen L, Yamashita T, De Caterina R, Kirchhof P. Effectiveness and safety of edoxaban in 27,333 patients from ETNA-AF with and without a history of intracranial haemorrhage after 2 years of treatment. Europace 2022. [DOI: 10.1093/europace/euac053.288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Private company. Main funding source(s): This study was sponsored by Daiichi Sankyo, Inc. Medical writing and editorial support were provided by Atreju Lackey, PhD of AlphaBioCom, LLC, and funded by Daiichi Sankyo, Inc.
Background/Introduction
Once-daily edoxaban significantly reduced the risk of intracranial haemorrhage (ICH) compared with well-managed warfarin in atrial fibrillation (AF) patients in the ENGAGE AF-TIMI 48 trial. The effectiveness and safety of edoxaban in patients with prior ICH is unknown.
Purpose
To compare the effectiveness and safety of edoxaban in AF patients with or without a history of ICH.
Methods
The Global ETNA-AF programme is composed of and, thus, integrates data from multiple prospective, observational, and noninterventional regional studies collecting data of AF patients treated with edoxaban for stroke prevention. This snapshot analysis presents global and regional baseline characteristics with medical history and 2-year annualised rates of all-cause mortality, stroke (haemorrhagic, ischaemic, any), and bleeding (major bleeding [MB] including ICH, clinically relevant nonmajor bleeding [CRNMB], any bleeding), in patients with or without ICH history.
Results
Overall, 27,333 patients from Europe, Japan, South Korea, and Taiwan were analysed, including 367 with prior ICH and 26,966 without prior ICH. There were proportionally fewer patients with a history of ICH in the European population. Patients with a history of ICH were older (P=0.006), had a lower body mass index (P<0.0001), had a lower creatinine clearance (P=0.0001), and had more comorbidities, with a higher percentage of patients with a history of stroke, transient ischaemic attack (TIA), or MB (Table 1); the higher level of comorbidities noted in patients with a history of ICH was also reflected by higher baseline CHA2DS2-VASc and HAS-BLED scores (Table 1). Patients with a history of ICH were more likely receiving 30 mg edoxaban at baseline, whereas patients without ICH history were more often on 60 mg edoxaban (each P<0.0001). In patients with vs without ICH history, all-cause mortality (5.10% vs 3.14%; P=0.01), ischaemic stroke (1.79% vs 0.73%; P=0.006), and any stroke rates (3.25% vs 0.95%; P<0.0001) were higher (Table 2). Patients with vs without ICH history had higher annualised rates of MB (2.50% vs 1.00%; P=0.001), ICH (1.42% vs 0.27%; P<0.0001), haemorrhagic stroke (1.42% vs 0.20%; P<0.0001), CRNMB (2.49% vs 1.40%; P=0.04), and any bleeding (7.57% vs 4.27%; P=0.001), but these rates were low compared to other high-risk populations. ICH was not selected as a predictor of cardiovascular outcomes on multivariate prediction modelling. ICH had non-significant effects in predicting all-cause death (HR 1.22), ischemic stroke (HR 1.14), and major bleeding (HF 1.37) and repeat ICH (HR 1.94).
Conclusions
Patients with a history of ICH are a small, elderly, multimorbid subgroup of patients with AF. Treatment with the non-vitamin K antagonist oral anticoagulant edoxaban resulted in relatively low rates of major events.
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Affiliation(s)
- J Moser
- University Heart Centre Hamburg, Department of Cardiology, Hamburg, Germany
| | - M Unverdorben
- Daiichi Sankyo, Inc., Basking Ridge, United States of America
| | - CC Wang
- Linkou Chang Gung Memorial Hospital and Chang Gung University, Division of Cardiology, Department of Internal Medicine, Taoyuan, Taiwan
| | - B Bruggenjurgen
- Steinbeis-University, Institute for Health Economics, Berlin, Germany
| | - BC Lee
- Hallym University Sacred Heart Hospital, Department of Neurology, Anyang, Korea (Republic of)
| | - C Chen
- Daiichi Sankyo, Inc., Basking Ridge, United States of America
| | - L Pecen
- Institute of Computer Science ASCR, Prague, Czechia
| | - T Yamashita
- Cardiovascular Institute, Department of Cardiovascular Medicine, Tokyo, Japan
| | - R De Caterina
- University of Pisa, Department of Surgery, Medical, Molecular and Critical Area Pathology, Pisa, Italy
| | - P Kirchhof
- University Heart Centre Hamburg, Department of Cardiology, Hamburg, Germany
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Rottner L, Schleberger R, Lemoine M, My I, Moser F, Moser J, Dinshaw L, Kirchhof P, Ouyang F, Rillig A, Metzner A, Reissmann B. Catheter ablation of the mitral isthmus line using the novel DiamondTemp ablation system: first experience using two different ablation protocols. Europace 2022. [DOI: 10.1093/europace/euac053.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Mitral ishmus ablation is an established approach to treat perimitral reentrant tachycardia, and is often performed as substrat modification in patients with persistent atrial fibrillation (AF). Bidirectional block of the mitral isthmus line (MIL) is still a great challenge using conventional ablation catheters, but is essential to prevent recurrence of atrial arrhythmia.
Recently, the novel DiamondTempTM (DT) ablation system was introduced and allows for high-power, short-duration ablation in a temperature-controlled mode. Its use during pulmonary vein isolation (PVI) using a recommended ablation setting with a catheter-tip temperature limit of 60°C, a temperature-controlled power of 50 W and an application duration of 10 sec has shown to be effective and safe. However, data on DT ablation settings for substrate modification, i.e., creation of linear lesions are lacking.
Aim
The aim of the present study was to evaluate acute efficacy and safety of the novel DT ablation system for bidirectional block of the MIL using two different protocols.
Methods
The study population comprised 14 patients [67±8 years, 10/14 male (71%)] suffering from persistent AF and/or atrial tachycardia who underwent catheter re-ablation with creation of a MIL using the DT ablation system. Ablation settings were a catheter-tip temperature limit of 60°C, a temperature-controlled power of 50 W with an application duration of either 10 sec (group A, n=7) or 20 sec (group B, n=7). Additional epicardial ablation from within the coronary sinus with a temperature limit of 60°C, a temperature-controlled power of 20 W and an application duration of 20 sec was performed, if bidirectional block could not be achieved with endocardial ablation only.
Results
Mean procedure and fluoroscopy time, and dose area product for group A and group B were 103±24 vs. 119±38 min, 12±5 vs. 13±4 min, and 572±270 vs. 537±202 cGycm, respectively. Bidirectional block of the MIL was achieved in 7/7 (100%) patients in group A and in 6/7 (86%) patients in group B. Additional epicardial ablation was required in 6/7 patients (86%) in group A and in 4/7 (57%) patients in group B. In group B, bidirectional block of the MIL required fewer endocardial (31±11 vs. 26±10 applications) as well as epicardial RF-applications (10±6 vs. 7±3 applications). Pericardial effusion without hemodynamic relevance occurred in 1/7 (14%) patients of group B. No further complications occurred.
Conclusion
Catheter ablation of the MIL using the novel DT ablation system is safe and associated with high acute efficacy. A lower number of RF-applications and a less frequent need for additional epicardial ablation was observed when applying longer RF-applications of 20 sec. Further analyses are warranted to confirm these findings.
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Affiliation(s)
- L Rottner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - R Schleberger
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - M Lemoine
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - I My
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - F Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - J Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - L Dinshaw
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - P Kirchhof
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - F Ouyang
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Rillig
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Metzner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - B Reissmann
- University Heart & Vascular Center Hamburg, Hamburg, Germany
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Rottner L, Moser F, Schleberger R, Moser J, My I, Lemoine M, Dinshaw L, Kirchhof P, Ouyang F, Reissmann B, Metzner A, Rillig A. Optimizing catheter ablation of atrial fibrillation by a novel wide-band dielectric imaging system: first experience on real-time wall thickness measurement. Europace 2022. [DOI: 10.1093/europace/euac053.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Conventional mapping systems do not provide wall-thickness data, which is, however, known to be a determinant of radiofrequency ablation lesion transmurality. KODEX-EPD is a novel open-platform system, which uses dielectric tissue properties to provide real-time, high-resolution cardiac images, tissue characteristics and wall-thickness measurement to guide ablation procedures.
Aim
The aim of this case series was to report on our first experiences with KODEX-EPD regarding estimation of myocardial wall-thickness during catheter ablation of atrial fibrillation (AF).
Methods
We retrospectively analyzed consecutive patients undergoing radiofrequency AF-ablation in combination with KODEX-EPD. A high-resolution image from the left atrium (LA) and the pulmonary veins (PV) was obtained prior to ablation using a spiral mapping catheter in conjunction with KODEX-EPD. Wall-viewer points were collected within the LA, the PVs and the left atrial appendage (LAA) using a standard radiofrequency non-contact force ablation catheter and analyzed for wall-thickness applying the latest KODEX-EPD software version (1.5.0, not yet commercially released). Wall-viewer points were divided into a total of 10 segments (PV ostia, anterior wall, posterior wall, LA roof, LA floor, LAA and PV carina, details see Figure 1) in order to characterize wall-thickness in respective areas.
Results
A total of 570 wall-viewer points in 5 patients were analyzed. Most of the wall-viewer points were collected at the PV ostia as well as along the posterior and anterior wall (449/570, 79%). Actual myocardial atrial thickness ranged from 1.6 to 3.9 mm. Thickest myocardial LA-tissue was measured at the anterior wall (median 3.1 mm) and thinnest at the LA-roof (median 2.2 mm). Figure 2 gives a detailed distribution of wall-thickness measurements at different sites in the LA and PVs.
Conclusion
Atrial wall thickness can be estimated in patients during AF ablation procedures using dielectric tissue properties. Further evaluation and validation of the method are needed to study its reliability and utility for clinical practice.
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Affiliation(s)
- L Rottner
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - F Moser
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - R Schleberger
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - J Moser
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - I My
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - M Lemoine
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - L Dinshaw
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - P Kirchhof
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - F Ouyang
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - B Reissmann
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - A Metzner
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - A Rillig
- The University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Grubnic S, Hine J, Adam EJ, Patel J, Moser J, Phillips C, Webb P, Blanks R. COVID-19: using chest CT of major trauma patients to monitor and evaluate the second wave in London and the development of routine monitoring in practice. Clin Radiol 2021; 77:231-235. [PMID: 35022132 PMCID: PMC8673733 DOI: 10.1016/j.crad.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/10/2021] [Indexed: 11/12/2022]
Abstract
AIM To follow-up previous work evaluating incidental findings of COVID-19 signs on computed tomography (CT) images of major trauma patients to include the second wave prior to any major effects from vaccines. MATERIALS AND METHODS The study population included all patients admitted following major trauma between 1 January 2020 and 28 February 2021 with CT including the lungs (n=1776). Major trauma patients admitted pre-COVID-19 from alternate months from January 2019 to November 2019 comprised a control group (n=837). The assessing radiologists were blinded to the time period and used double reading in consensus to determine if the patient had signs of COVID-19. Lung appearances were classified as no evidence of COVID-19, minor signs, or major signs. RESULTS The method successfully tracked the second wave of the COVID-19 pandemic in London. The estimated population affected by the disease based on those with major signs was similar to estimates of the proportion of the population in London with antibodies (around 30% by end February 2021) and the total of major and minor signs produced a much higher figure of 68%, which may include all those with both antibody and just T-cell responses. CONCLUSIONS Incidental findings on CT from major trauma patients may provide a novel and sensitive way of tracking the virus. It is recommended that all major trauma units include a simple question on signs of COVID-19 to provide an early warning system for further waves.
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Affiliation(s)
- S Grubnic
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - J Hine
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK.
| | - E J Adam
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - J Patel
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - J Moser
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - C Phillips
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - P Webb
- Department of Radiology, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK
| | - R Blanks
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK
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11
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Parry-Williams G, Obaid D, Miles C, Basu J, MacLachlan H, Moser J, Vlahos I, O'Driscoll J, Chis Ster I, Papadakis M, Tome Esteban MT, Sharma S. Determinants of high-risk coronary artery disease in ostensibly healthy male master endurance athletes. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Healthy male master endurance athletes have a greater prevalence of high coronary calcium (CAC) scores compared to healthy sedentary counterparts, and some demonstrate high-risk plaque features. A number of theories have been postulated but reasons remain unclear. Concurrently atherosclerotic coronary artery disease (CAD) is the most common cause of sudden cardiac death in male master athletes drawing much public and scientific interest and making this an important public health issue.
Purpose
To examine the relationship of age, resting systolic blood pressure (SBP), exercise dose and sporting discipline with high-risk CAD markers in male master endurance athletes.
Methods
A prospective study undertaken over 19 months evaluated 214 male master (40–65 years) endurance athletes, free from known cardiovascular risk factors, symptoms or relevant health conditions. Clinical evaluation included cardiopulmonary exercise test, resting blood pressure (BP) and coronary computed tomogram angiography (CCTA). CCTA assessed CAC score, significant stenosis, (>50%) and plaque vulnerability markers. Exercise dose was defined by years of endurance exercise and average MET-hours/week (lifetime exercise volume multiplied by the metabolic equivalent scores). Resting BP was the average of 3 consecutive supine measures after at least 5 minutes rest.
Results
Athletes (mean age 51, SD 70.1) exercised for minimum 6 hours/week (median 8.5) for a median of 15 years (2–26). Almost half (60.2%) were multi-endurance athletes i.e. any combination swimming, cycling and running. The remainder were runners (22.4%) and cyclists (15.4%). Median Framingham risk score 3.2% (1.8–5.8). The mean resting BP was 129/80 mmHg and a quarter (26%) of athletes were hypertensive (≥140/90 mmHg) at rest. A CAC score >100 Agatston units (AU) was present in 16% of athletes. There was a total of 15 stenotic lesions in 11 (5%) athletes. 13% had plaque vulnerability markers.
Logistic regression evaluated whether age, resting SBP, exercise dose measures and sporting discipline were predictive for a CAC score >100 AU, significant stenosis and plaque vulnerability markers (table 1). CAC score was associated with age, years of endurance exercise and resting SBP. A Stenosis >50% and plaque vulnerability markers were associated with resting SBP and cycling compared with all other sporting disciplines.
Conclusion
Despite correcting for age, higher exercise dose (years endurance exercise) is associated with CAC score >100 AU but does not predict significant stenosis or plaque vulnerability markers. Resting SBP and cycling strongly predict high-risk disease. Cycling enables a greater intensity of exercise compared with other endurance sports, which may be associated with prolonged rises in SBP. Resting SBP and cycling are important determinants for high-risk CAD in middle-aged male endurance athletes and should be considered when risk stratifying in pre-participation evaluation.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): British Heart Foundation Clinical Research Training Fellowship
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Affiliation(s)
- G Parry-Williams
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - D Obaid
- Swansea University, Swansea, United Kingdom
| | - C Miles
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - J Basu
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - H MacLachlan
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - J Moser
- St George's Healthcare NHS Trust, London, United Kingdom
| | - I Vlahos
- University of Texas MD Anderson Cancer Centre, Houston, United States of America
| | - J O'Driscoll
- Canterbury Christ Church University, Canterbury, United Kingdom
| | - I Chis Ster
- St George's University of London, London, United Kingdom
| | - M Papadakis
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - M T Tome Esteban
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
| | - S Sharma
- St George's University of London, Molecular and Clinical Sciences Research, London, United Kingdom
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12
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Rottner L, Moser F, Schleberger R, Weimann J, Moser J, Lemoine M, Muenkler P, Dinshaw L, Risius T, Kirchhof P, Ouyang F, Reissmann B, Metzner A, Rillig A. Accuracy and acute efficacy of a novel occlusion tool to guide cryoballoon-based pulmonary vein isolation. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Cryoballoon (CB)-based pulmonary vein isolation (PVI) currently requires to verify occlusion of each pulmonary vein (PV) using fluoroscopy and dye injection.
Objective
The current study evaluated whether the novel CB-occlusion tool integrated into the wide-band dielectric imaging system KODEX-EPD reliably verifies occlusion of PV according to a novel dye-injection based algorithm.
Methods
Consecutive patients suffering from symptomatic atrial fibrillation (AF) underwent CB-based PVI using the KODEX-EPD and the novel occlusion-tool (group I). To confirm accurate display of the PVs, selective PV-angiography was performed in the first half of the patients of group I (group Ia) in addition to a three-dimensional left atrial (LA) map using a spiral mapping catheter (Achieve, SMC1, Medtronic, MN, USA). PV-angiographies were waived for the following patients (group Ib). Procedural duration and radiation exposure were compared to a control group of patients undergoing conventional CB-based PVI.
Results
CB-based PVI was successful in 50/50 patients of group I (mean age 63±11 years, 18 paroxysmal (36%)) and 25/25 patients of group II (66±10 years, 9 paroxysmal (60%)). Concordance of PV-occlusion as assessed by either PV-occlusion-angiography or KODEX-EPD, was documented in 237/272 (87%) occlusion-analyses among 198 PVs (95% for left superior PV, 93% for left inferior PV, 86% for right inferior PV and 77% for right superior PV).
In the final evaluation phase (group Ib) LA fluoroscopy times and dose area products were comparable to the conventional CB-ablation group (10.5±5 vs 8.8±4 minutes (p=0.23) and 403±425 vs 321±202 cGycm2 (p=0.44), whereas the amount of dye could be significantly reduced (group Ib: 31±10 ml vs group II: 70±20 ml, p<0.0001).
Conclusion
The novel KODEX-EPD PV-occlusion tool allows for accurate PV-occlusion assessment in the majority of PVs and a high acute success rate. The system has the potential to reduce dye and radiation exposure. This should be evaluated in controlled clinical trials.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- L Rottner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - F Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - R Schleberger
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - J Weimann
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - J Moser
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - M Lemoine
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - P Muenkler
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - L Dinshaw
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - T Risius
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - P Kirchhof
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - F Ouyang
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - B Reissmann
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Metzner
- University Heart & Vascular Center Hamburg, Hamburg, Germany
| | - A Rillig
- University Heart & Vascular Center Hamburg, Hamburg, Germany
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13
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Soo E, Edey A, Mak S, Moser J, Mohammadi S, Rodrigues T, Duffy S, Field J, Baldwin D, Nair A, Devaraj A. Impact of choice of volumetry software and nodule management guidelines on recall rates in lung cancer screening. Eur J Radiol 2019; 120:108646. [DOI: 10.1016/j.ejrad.2019.108646] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 08/07/2019] [Accepted: 08/30/2019] [Indexed: 11/15/2022]
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14
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Moser J, Wei G, Colonna S, Grossmann K, Patel S, Hyngstrom J. Comparative-effectiveness of pembrolizumab vs nivolumab for patients with metastatic melanoma. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz255.035] [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: 11/14/2022] Open
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15
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Moser J, Hoffmann B, Andresen D, Kuck KH, Brachmann J, Eckardt L, Hoffmann E, Lewalter T, Schumacher B, Spitzer S, Hochadel M, Senges J, Willems S. P786Factors associated with acute pacemaker implantation after carvo- tricuspidal isthmus ablation - results from the German ablation registry. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p786] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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16
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Moser J, Hoffmann B, Andresen D, Brachmann J, Eckardt L, Hoffmann E, Kuck KH, Lewalter T, Schumacher B, Spitzer S, Hochadel M, Senges J, Willems S. P2672Which factors are associated with acute pacemaker implantation after ablation of atrial fibrillation? Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2672] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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17
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Moser J, Schaeffer B, Akbulak R, Nuerich J, Eickholt C, Jularic M, Willems S, Hoffmann B. P804Sedation monitoring with processed electroencephalogram signals under propofol sedation: a potential benefit on mapping and catheter ablation of ventricular premature contractions. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p804] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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18
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Moser J, Hoffmann B, Andresen D, Brachmann J, Eckardt L, Hoffmann E, Kuck K, Lewalter T, Schumacher B, Spitzer S, Hochadel M, Senges J, Willems S. P783Influencing factors of in-hospital pacemaker implantation after ablation of AV-nodal reentry- and AV-reentry tachycardia: results from the German ablation registry. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p783] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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19
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Carr A, Cooper C, Campbell MK, Rees J, Moser J, Beard DJ, Fitzpatrick R, Gray A, Dawson J, Murphy J, Bruhn H, Cooper D, Ramsay C. Effectiveness of open and arthroscopic rotator cuff repair (UKUFF): a randomised controlled trial. Bone Joint J 2017; 99-B:107-115. [PMID: 28053265 DOI: 10.1302/0301-620x.99b1.bjj-2016-0424.r1] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 09/23/2016] [Indexed: 11/05/2022]
Abstract
AIMS The appropriate management for patients with a degenerative tear of the rotator cuff remains controversial, but operative treatment, particularly arthroscopic surgery, is increasingly being used. Our aim in this paper was to compare the effectiveness of arthroscopic with open repair of the rotator cuff. PATIENTS AND METHODS A total of 273 patients were recruited to a randomised comparison trial (136 to arthroscopic surgery and 137 to open surgery) from 19 teaching and general hospitals in the United Kingdom. The surgeons used their usual preferred method of repair. The Oxford Shoulder Score (OSS), two years post-operatively, was the primary outcome measure. Imaging of the shoulder was performed at one year after surgery. The trial is registered with Current Controlled Trials, ISRCTN97804283. RESULTS The mean OSS improved from 26.3 (standard deviation (sd) 8.2) at baseline, to 41.7 (sd 7.9) two years post-operatively for arthroscopic surgery and from 25.0 (sd 8.0) to 41.5 (sd 7.9) for open surgery. Intention-to-treat (ITT) analysis showed no statistical difference between the groups at two years (difference in OSS score -0.76; 95% confidence interval (CI) -2.75 to 1.22; p = 0.452). The confidence interval excluded the pre-determined clinically important difference in the OSS of three points. The rate of re-tear was not significantly different between the two groups (46.4% for arthroscopic and 38.6% for open surgery; 95% CI -6.9 to 25.8; p = 0.256). Healed repairs had the most improved OSS. These findings were the same when analysed per-protocol. CONCLUSION There is no evidence of difference in effectiveness between open and arthroscopic repair of rotator cuff tears. The rate of re-tear is high in both groups, for all sizes of tear and ages and this adversely affects the outcome. Cite this article: Bone Joint J 2017;99-B:107-15.
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Affiliation(s)
- A Carr
- University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - C Cooper
- University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - M K Campbell
- University of Aberdeen, Health Services Research Unit, Foresterhill, Aberdeen, AB25 2ZD, UK
| | - J Rees
- University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - J Moser
- Nuffield Orthopaedic Centre, Oxford University Hospitals Trust, Windmill Road, Headington, Oxford, OX3 7HE, UK
| | - D J Beard
- University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - R Fitzpatrick
- University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK
| | - A Gray
- University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK
| | - J Dawson
- University of Oxford, Old Road Campus, OX3 7LF, UK
| | - J Murphy
- University of Oxford, Old Road Campus, OX3 7LF, UK
| | - H Bruhn
- University of Aberdeen, Health Services Research Unit, Foresterhill, Aberdeen, AB25 2ZD, UK
| | - D Cooper
- University of Aberdeen, Health Services Research Unit, Foresterhill, Aberdeen, AB25 2ZD, UK
| | - C Ramsay
- University of Aberdeen, Health Services Research Unit, Foresterhill, Aberdeen, AB25 2ZD, UK
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20
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Lindblom SC, Shurson GC, Moser J, Kerr BJ. 0960 Kinetics of lipid peroxidation in fats and oils as affected by lipid source, heating temperature, and length of heating. J Anim Sci 2016. [DOI: 10.2527/jam2016-0960] [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: 11/13/2022] Open
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21
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Gunawardene M, Willems S, Schäffer B, Moser J, Akbulak RÖ, Jularic M, Eickholt C, Nührich J, Meyer C, Kuklik P, Sehner S, Czerner V, Hoffmann BA. Influence of periprocedural anticoagulation strategies on complication rate and hospital stay in patients undergoing catheter ablation for persistent atrial fibrillation. Clin Res Cardiol 2016; 106:38-48. [PMID: 27435077 DOI: 10.1007/s00392-016-1021-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 07/08/2016] [Indexed: 12/31/2022]
Abstract
BACKGROUND The use of non-vitamin K antagonists (NOACs), uninterrupted (uVKA) and interrupted vitamin K antagonists (iVKA) are common periprocedural oral anticoagulation (OAC) strategies for atrial fibrillation (AF) ablation. Comparative data on complication rates resulting from OAC strategies for solely persistent AF (persAF) undergoing ablation are sparse. Thus, we sought to determine the impact of these OAC strategies on complication rates among patients with persAF undergoing catheter ablation. METHODS Consecutive patients undergoing persAF ablation were included. Depending on preprocedural OAC, three groups were defined: (1) NOACs (paused 48 h preablation), (2) uVKA, and (3) iVKA with heparin bridging. A combined complication endpoint (CCE) composed of bleeding and thromboembolic events was analyzed. RESULTS Between 2011 and 2014, 1440 persAF ablation procedures were performed in 1092 patients. NOACs were given in 441 procedures (31 %; rivaroxaban 57 %, dabigatran 33 %, and apixaban 10 %), uVKA in 488 (34 %), and iVKA in 511 (35 %). Adjusted CCE rates were 5.5 % [95 % confidence interval (CI) (3.1-7.8)] in group 1 (NOACs), 7.5 % [95 % CI (5.0-10.1)] in group 2 (uVKA), and 9.9 % [95 % CI (6.6-13.2)] in group 3. Compared to group 1, the combined complication risk was almost twice as high in group 3 [odd's ratio (OR) 1.9, 95 % CI (1.0-3.7), p = 0.049)]. The major complication rate was low (0.9 %). Bleeding complications, driven by minor groin complications, are more frequent than thromboembolic events (n = 112 vs. 1, p < 0.0001). CONCLUSIONS Patients undergoing persAF ablation with iVKA anticoagulation have an increased risk of complications compared to NOACs. Major complications, such as thromboembolic events, are generally rare and are exceeded by minor bleedings.
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Affiliation(s)
- Melanie Gunawardene
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany.
| | - S Willems
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - B Schäffer
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - J Moser
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - R Ö Akbulak
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - M Jularic
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - C Eickholt
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - J Nührich
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - C Meyer
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - P Kuklik
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - S Sehner
- Institute for Medical Biometry and Epidemiology, University Hospital Hamburg Eppendorf, Hamburg, Germany
| | - V Czerner
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
| | - B A Hoffmann
- Department of Cardiology-Electrophysiology, University Heart Center Hamburg, University Hospital Hamburg Eppendorf, Martinistrasse 52, 20251, Hamburg, Germany
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22
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Janik S, Schiefer AI, Bekos C, Hacker P, Haider T, Moser J, Klepetko W, Müllauer L, Ankersmit HJ, Moser B. HSP27 and 70 expression in thymic epithelial tumors and benign thymic alterations: diagnostic, prognostic and physiologic implications. Sci Rep 2016; 6:24267. [PMID: 27097982 PMCID: PMC4838882 DOI: 10.1038/srep24267] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 03/21/2016] [Indexed: 01/23/2023] Open
Abstract
Thymic Epithelial Tumors (TETs), the most common tumors in the anterior mediastinum in adults, show a unique association with autoimmune Myasthenia Gravis (MG) and represent a multidisciplinary diagnostic and therapeutic challenge. Neither risk factors nor established biomarkers for TETs exist. Predictive and diagnostic markers are urgently needed. Heat shock proteins (HSPs) are upregulated in several malignancies promoting tumor cell survival and metastases. We performed immunohistochemical staining of HSP27 and 70 in patients with TETs (n = 101) and patients with benign thymic alterations (n = 24). Further, serum HSP27 and 70 concentrations were determined in patients with TETs (n = 46), patients with benign thymic alterations (n = 33) and volunteers (n = 49) by using ELISA. HSPs were differentially expressed in histologic types and pathological tumor stages of TETs. Weak HSP tumor expression correlated with worse freedom from recurrence. Serum HSP concentrations were elevated in TETs and MG, correlated with clinical tumor stage and histologic subtype and decreased significantly after complete tumor resection. To conclude, we found HSP expression in the vast majority of TETs, in physiologic thymus and staining intensities in patients with TETs have been associated with prognosis. However, although interesting and promising the role of HSPs in TETs as diagnostic and prognostic or even therapeutic markers need to be further evaluated.
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Affiliation(s)
- S Janik
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria.,Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Austria
| | - A I Schiefer
- Clinical Institute of Pathology, Medical University Vienna, Austria
| | - C Bekos
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria.,Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Austria
| | - P Hacker
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria.,Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Austria
| | - T Haider
- Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Austria.,University Clinic for Trauma Surgery, Medical University Vienna, Austria
| | - J Moser
- Departments of Dermatology and Venereology and Karl Landsteiner Institute of Dermatological Research, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - W Klepetko
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria
| | - L Müllauer
- Clinical Institute of Pathology, Medical University Vienna, Austria
| | - H J Ankersmit
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria.,Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Austria
| | - B Moser
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Austria
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23
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Moser J, Moshammer R, Koglbauer G, Kitzwögerer M, Bachner M, Trautinger F. Sentinel node biopsy in melanoma: a single-centre experience with 216 consecutive patients. Br J Dermatol 2015; 174:889-91. [PMID: 26402518 DOI: 10.1111/bjd.14189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- J Moser
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria. .,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria.
| | - R Moshammer
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - G Koglbauer
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - M Kitzwögerer
- Department of Pathology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - M Bachner
- Department of Surgery, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - F Trautinger
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
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Hultenheim Klintberg I, Cools A, Holmgren T, Gunnarsson Holzhausen AC, Johansson K, Maenhout A, Moser J, Spunton V, Ginn K. Determining consensus for physiotherapy treatment for a patient presenting with shoulder pain. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.3446] [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: 10/23/2022]
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Kelly K, Dick T, Lin J, Moser J, Wehrwein E. Self‐Paced Slow Deep Breathing: Persistence of Effects on Vascular Function. FASEB J 2015. [DOI: 10.1096/fasebj.29.1_supplement.652.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- K Kelly
- Physio Mich St UnivUnited States
| | - T Dick
- Pulm Med Case West Reserve UnivUnited States
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Eder J, Kern A, Moser J, Kitzwögerer M, Sedivy R, Trautinger F. Frequency of primary cutaneous lymphoma variants in Austria: retrospective data from a dermatology referral centre between 2006 and 2013. J Eur Acad Dermatol Venereol 2015; 29:1517-23. [PMID: 25600184 DOI: 10.1111/jdv.12907] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 11/04/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND Primary cutaneous lymphomas (PCL) are a heterogenous group of rare lymphoid neoplasms with incomplete information on global and regional prevalence. The recently introduced lymphoma classifications define distinctive clinicopathological disease entities that should allow for more accurate epidemiological assessment. OBJECTIVE The aim of this study was to evaluate the prevalence and clinical spectrum of PCL diagnosed and treated at the Department of Dermatology and Venereology in St. Pölten, Lower Austria, a dermatology referral centre providing secondary and tertiary care for a population of about 600 000. METHODS In this retrospective study pathology reports, electronically archived between 2006 and 2013, were screened for the terms lymphoma, mycosis fungoides (MF) and lymphomatoid papulosis (LyP). Patients were diagnosed according to the current WHO-EORTC classification for cutaneous lymphomas and results were compared with data from European, US and Asian centres. RESULTS Among 86 patients with PCL (age 58.3 ± 17.35 years, mean ± SD; women 38%, n = 33; men 62%, n = 53) 83% (n = 71) were classified as cutaneous T-cell lymphomas (CTCL) and 17% (n = 15) as cutaneous B-cell lymphomas (CBCL). Nine patients with CTCL showed associated haematological disorders and malignomas. Among 47 MF patients following variants were observed: pilotropic MF (n = 2), follicular mucinosis (n = 1), unilesional MF (n = 1), large-cell transformation (n = 3), erythrodermic MF (n = 1), poikilodermatous MF (n = 2) and posttransplant lymphoproliferative disorder (CD8(+) MF with gamma/delta phenotype after renal transplantation) (n = 1). One patient had MF concurrent with lymphomatoid papulosis. The group of CBCL comprised six cases (40%) of PCMZL and PCFCL each, 20% (n = 3) were classified as PCLBCL, LT. CONCLUSION This study for the first time provides data on the distribution of PCL clinicopathologic variants and stages according to the latest classification and staging systems in an Austrian referral centre.
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Affiliation(s)
- J Eder
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - A Kern
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - J Moser
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - M Kitzwögerer
- Institute of Clinical Pathology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - R Sedivy
- Institute of Clinical Pathology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
| | - F Trautinger
- Karl Landsteiner Institute of Dermatological Research, St. Pölten, Austria.,Department of Dermatology and Venereology, Karl Landsteiner University of Health Sciences, St. Pölten, Austria
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Zhang Y, Moser J, Güttinger J, Bachtold A, Dykman MI. Interplay of driving and frequency noise in the spectra of vibrational systems. Phys Rev Lett 2014; 113:255502. [PMID: 25554894 DOI: 10.1103/physrevlett.113.255502] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Indexed: 05/22/2023]
Abstract
We study the spectral effect of the fluctuations of the vibration frequency. Such fluctuations play a major role in nanomechanical and other mesoscopic vibrational systems. We find that, for periodically driven systems, the interplay of the driving and frequency fluctuations results in specific spectral features. We present measurements on a carbon nanotube resonator and show that our theory allows not only the characterization of the frequency fluctuations but also the quantification of the decay rate without ring-down measurements. The results bear on identifying the decoherence of mesoscopic oscillators and on the general problem of resonance fluorescence and light scattering by oscillators.
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Affiliation(s)
- Yaxing Zhang
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - J Moser
- ICFO, Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
| | - J Güttinger
- ICFO, Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
| | - A Bachtold
- ICFO, Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
| | - M I Dykman
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
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Moser J, Eichler A, Güttinger J, Dykman MI, Bachtold A. Nanotube mechanical resonators with quality factors of up to 5 million. Nat Nanotechnol 2014; 9:1007-11. [PMID: 25344688 DOI: 10.1038/nnano.2014.234] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 09/13/2014] [Indexed: 05/05/2023]
Abstract
Carbon nanotube mechanical resonators have attracted considerable interest because of their small mass, the high quality of their surfaces, and the pristine electronic states they host. However, their small dimensions result in fragile vibrational states that are difficult to measure. Here, we observe quality factors Q as high as 5 × 10(6) in ultra-clean nanotube resonators at a cryostat temperature of 30 mK, where we define Q as the ratio of the resonant frequency over the linewidth. Measuring such high quality factors requires the use of an ultra-low-noise method to rapidly detect minuscule vibrations, as well as careful reduction of the noise of the electrostatic environment. We observe that the measured quality factors fluctuate because of fluctuations of the resonant frequency. We measure record-high quality factors, which are comparable to the highest Q values reported in mechanical resonators of much larger size, a remarkable result considering that reducing the size of resonators is usually concomitant with decreasing quality factors. The combination of ultra-low mass and very large Q offers new opportunities for ultra-sensitive detection schemes and quantum optomechanical experiments.
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Affiliation(s)
- J Moser
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
| | - A Eichler
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
| | - J Güttinger
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
| | - M I Dykman
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - A Bachtold
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
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Moser J, Kuck KH, Andresen D, Spitzer SG, Hoffmann E, Schumacher B, Eckardt L, Brachmann J, Lewalter T, Hochadel M, Senges J, Willems S, Hoffmann BA. [Anticoagulation in high thromboembolic risk after catheter ablation for atrial fibrillation: results from the German Ablation Registry]. Dtsch Med Wochenschr 2014; 139:1923-8. [PMID: 25225860 DOI: 10.1055/s-0034-1387316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Catheter ablation (CA) for atrial fibrillation (AF) is an effective therapeutic option for the treatment of symptomatic drug-refractory AF. According to current guidelines, the prevention of stroke and embolism is the most important therapeutic goal in AF and the recommendations for anticoagulation (OAC) after successful CA are based upon the CHA2DS2-VASc-Score 3. The aim of this study was to evaluate the use of OAC in patients with a high risk for thromboembolic events 1 year after CA and to identify predictor variables for discontinuation of OAC. METHODS Between January 2007 and January 2010 13092 patients were enrolled in the study. A total of 52 German electrophysiological centers agreed to participate in this prospective multicenter registry. 41 centers included patients undergoing CA for AF. Analysis included patients who were discharged with OAC after CA and had a CHA2DS2-VASc-Score ≥ 2. A centralized 1 year follow-up (FU) was conducted via telephone. RESULTS 1300 patients fulfilled the inclusion criteria. One year after CA 51.8 % of these patients were on OAC. Factors significantly associated with discontinuation of OAC included no AF recurrence in FU (adjusted odds ratio (OR): 2.14, [95 % confidence interval (CI): 1.73-2.66], P < 0.001) and paroxysmal AF (OR: 1.53 [95 % CI: 1.29-1.81], P < 0.001). Factors associated with continuation of OAK were patient age (OR per 10 years: 0.79 [95 % CI: 0.68-0.91], P = 0.002), valvular heart disease (OR: 0.67 [95 % CI: 0.48-0.92], P = 0.013), an implanted pacemaker, defibrillator or a cardiac resynchronization therapy system (OR: 0.55 [95 % CI: 0.41-0.74], P < 0.001) and neurological events in hospital or during FU (OR: 0.40 [95 % CI: 0.18-0.88], P < 0.022). CONCLUSION Almost half of the patients with an indication for OAC are not adequately anticoagulated one year after CA for AF. Paroxysmal AF or freedom from AF is significantly associated with discontinuation of OAC.
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Affiliation(s)
- J Moser
- Klinik für Kardiologie mit Schwerpunkt Elektrophysiologie, Universitäres Herzzentrum Hamburg, Universitätsklinikum Hamburg-Eppendorf
| | - K H Kuck
- Abteilung für Kardiologie, Asklepios Klinik St. Georg, Hamburg
| | - D Andresen
- Klinik für Innere Medizin - Kardiologie, Vivantes Klinikum Am Urban, Berlin
| | | | - E Hoffmann
- Klinik für Kardiologie und Intensivmedizin , Städtische Kliniken München, Klinikum Bogenhausen, München
| | - B Schumacher
- Medizinische Klinik II, Westpfalz-Klinikum, Kaiserslautern
| | - L Eckardt
- Abteilung Rhythmologie, Department für Kardiologie und Angiologie, Universitätsklinikum Münster, Münster
| | - J Brachmann
- II. Medizinische Klinik, Regiomed Klinik, Coburg
| | - T Lewalter
- Klinik für Kardiologie und internistische Intensivmedizin, Isar Herz Zentrum, Isar Kliniken GmbH, München
| | - M Hochadel
- Institut für Herzinfarktforschung, Ludwigshafen
| | - J Senges
- Institut für Herzinfarktforschung, Ludwigshafen
| | - S Willems
- Klinik für Kardiologie mit Schwerpunkt Elektrophysiologie, Universitäres Herzzentrum Hamburg, Universitätsklinikum Hamburg-Eppendorf
| | - B A Hoffmann
- Klinik für Kardiologie mit Schwerpunkt Elektrophysiologie, Universitäres Herzzentrum Hamburg, Universitätsklinikum Hamburg-Eppendorf
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Carr AJ, Rees JL, Ramsay CR, Fitzpatrick R, Gray A, Moser J, Dawson J, Bruhn H, Cooper CD, Beard DJ, Campbell MK. Protocol for the United Kingdom Rotator Cuff Study (UKUFF): a randomised controlled trial of open and arthroscopic rotator cuff repair. Bone Joint Res 2014; 3:155-60. [PMID: 24845913 PMCID: PMC4037881 DOI: 10.1302/2046-3758.35.2000270] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 02/12/2014] [Indexed: 11/22/2022] Open
Abstract
This protocol describes a pragmatic multicentre randomised controlled trial (RCT) to assess the clinical and cost effectiveness of arthroscopic and open surgery in the management of rotator cuff tears. This trial began in 2007 and was modified in 2010, with the removal of a non-operative arm due to high rates of early crossover to surgery. Cite this article: Bone Joint Res 2014;3:155-60.
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Affiliation(s)
- A J Carr
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - J L Rees
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - C R Ramsay
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - R Fitzpatrick
- University of Oxford, Nuffield Department of Population Health, Old Road Campus, Headington, Oxford OX3 7LF, UK
| | - A Gray
- University of Oxford, Nuffield Department of Population Health, Old Road Campus, Headington, Oxford OX3 7LF, UK
| | - J Moser
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - J Dawson
- University of Oxford, Nuffield Department of Population Health, Old Road Campus, Headington, Oxford OX3 7LF, UK
| | - H Bruhn
- University of Aberdeen, Centre for Healthcare Randomised Trials, Health Services Research Unit, Foresterhill, Aberdeen AB25 2ZD, UK
| | - C D Cooper
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - D J Beard
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Windmill Road, Headington, Oxford OX3 7LD, UK
| | - M K Campbell
- University of Aberdeen, Centre for Healthcare Randomised Trials, Health Services Research Unit, Foresterhill, Aberdeen AB25 2ZD, UK
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Eichler A, Moser J, Dykman M, Bachtold A. Symmetry breaking in a mechanical resonator made from a carbon nanotube. Nat Commun 2013; 4:2843. [DOI: 10.1038/ncomms3843] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 10/30/2013] [Indexed: 11/09/2022] Open
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Moser J, Güttinger J, Eichler A, Esplandiu MJ, Liu DE, Dykman MI, Bachtold A. Ultrasensitive force detection with a nanotube mechanical resonator. Nat Nanotechnol 2013; 8:493-6. [PMID: 23748195 DOI: 10.1038/nnano.2013.97] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Accepted: 04/25/2013] [Indexed: 05/05/2023]
Abstract
Since the advent of atomic force microscopy, mechanical resonators have been used to study a wide variety of phenomena, including the dynamics of individual electron spins, persistent currents in normal metal rings and the Casimir force. Key to these experiments is the ability to measure weak forces. Here, we report on force sensing experiments with a sensitivity of 12 zN Hz(-1/2) at a temperature of 1.2 K using a resonator made of a carbon nanotube. An ultrasensitive method based on cross-correlated electrical noise measurements, in combination with parametric downconversion, is used to detect the low-amplitude vibrations of the nanotube induced by weak forces. The force sensitivity is quantified by applying a known capacitive force. This detection method also allows us to measure the Brownian vibrations of the nanotube down to cryogenic temperatures. Force sensing with nanotube resonators offers new opportunities for detecting and manipulating individual nuclear spins as well as for magnetometry measurements.
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Affiliation(s)
- J Moser
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
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Sotthivirat S, McKelvey C, Moser J, Rege B, Xu W, Zhang D. Development of amorphous solid dispersion formulations of a poorly water-soluble drug, MK-0364. Int J Pharm 2013; 452:73-81. [PMID: 23651642 DOI: 10.1016/j.ijpharm.2013.04.037] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 03/10/2013] [Accepted: 04/15/2013] [Indexed: 11/18/2022]
Abstract
The goal of this study was to demonstrate that MK-0364 solid dispersions can be developed as a means to increase the solubility and bioavailability of a poorly water-soluble drug, MK-0364. The potential solid dispersions would enable an oral solid dosage form as a monotherapy or combination product of MK-0364. Preliminary screening included sample preparation via a solvent casting method, physical characterization, and in vitro dissolution testing. Lead formulations were subsequently manufactured using hot melt extrusion (HME) and spray-drying (SD). All HME (without polyvinyl pyrrolidone) and SD formulations exhibit characteristics of a single phase glass including an amorphous halo when analyzed with X-ray powder diffraction (XRPD), a single glass transition temperature (Tg) measured with differential scanning calorimetry (DSC), and supersaturation when dissolved in dissolution media. The oral absorption of MK-0364 from selected HME and SD formulations in monkeys results in marginally greater exposure with a consistently longer Tmax relative to a liquid filled capsule reference. Based on the processability, physical characterization, in vitro dissolution, and animal pharmacokinetic results, copovidone- and hydroxypropyl methylcellulose acetate succinate (HPMCAS)-based solid dispersion formulations are viable product concepts. The physical stability of both the solid dispersion formulations was also evaluated for 54 weeks under different conditions. The copovidone-based solid dispersion requires protection from moisture.
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Affiliation(s)
- S Sotthivirat
- Department of Product Value Enhancement, Merck & Company, Inc., West Point, PA 19486, USA.
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van Ark J, Moser J, Lexis CPH, Bekkema F, Pop I, van der Horst ICC, Zeebregts CJ, van Goor H, Wolffenbuttel BHR, Hillebrands JL. Type 2 diabetes mellitus is associated with an imbalance in circulating endothelial and smooth muscle progenitor cell numbers. Diabetologia 2012; 55:2501-12. [PMID: 22648662 PMCID: PMC3411291 DOI: 10.1007/s00125-012-2590-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 04/16/2012] [Indexed: 12/20/2022]
Abstract
AIMS/HYPOTHESIS Individuals with type 2 diabetes mellitus have increased rates of macrovascular disease (MVD). Endothelial progenitor cells (EPCs), circulating angiogenic cells (CACs) and smooth muscle progenitor cells (SMPCs) are suggested to play a role in the pathogenesis of MVD. The relationship between vasoregenerative EPCs or CACs and damaging SMPCs and the development of accelerated MVD in diabetes is still unknown. We tried to elucidate whether EPC, CAC and SMPC numbers and differentiation capacities in vitro differ in patients with and without diabetes or MVD. METHODS Peripheral blood was obtained from individuals with and without diabetes and MVD (coronary or peripheral artery disease). EPC and SMPC numbers were determined with flow cytometry. Furthermore, CAC and SMPC numbers were quantified after in vitro culture. Their in vitro differentiation capacity was investigated with real-time RT-PCR and quantitative immunofluorescence. RESULTS In diabetic patients both EPC and CAC levels were reduced (1.3-fold [p < 0.05] and 1.5-fold [p < 0.05], respectively). CAC outgrowth from diabetic patients with MVD was reduced 1.5-fold compared with diabetic patients without MVD (p < 0.05). SMPC levels were similar between diabetic patients and healthy controls. The CAC/SMPC ratio of in vitro cultured progenitor cells was reduced 2.3-fold in samples from diabetic patients (p < 0.001). The differentiation capacity of CACs and SMPCs in vitro remained similar independently of diabetes or MVD. CONCLUSIONS/INTERPRETATION The ratio between EPCs or CACs and SMPCs is disturbed in type 2 diabetes in favour of SMPCs. This may translate into reduced vascular repair capacity, thereby promoting MVD in type 2 diabetes.
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Affiliation(s)
- J. van Ark
- Department of Pathology & Medical Biology–Pathology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, Groningen, the Netherlands
| | - J. Moser
- Department of Pathology & Medical Biology–Pathology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, Groningen, the Netherlands
| | - C. P. H. Lexis
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - F. Bekkema
- Department of Surgery–Vascular Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - I. Pop
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - I. C. C. van der Horst
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - C. J. Zeebregts
- Department of Surgery–Vascular Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - H. van Goor
- Department of Pathology & Medical Biology–Pathology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, Groningen, the Netherlands
| | - B. H. R. Wolffenbuttel
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - J. L. Hillebrands
- Department of Pathology & Medical Biology–Pathology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30.001, Groningen, the Netherlands
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Chaste J, Eichler A, Moser J, Ceballos G, Rurali R, Bachtold A. A nanomechanical mass sensor with yoctogram resolution. Nat Nanotechnol 2012; 7:301-4. [PMID: 22466856 DOI: 10.1038/nnano.2012.42] [Citation(s) in RCA: 293] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Accepted: 02/29/2012] [Indexed: 05/22/2023]
Abstract
Nanomechanical resonators have been used to weigh cells, biomolecules and gas molecules, and to study basic phenomena in surface science, such as phase transitions and diffusion. These experiments all rely on the ability of nanomechanical mass sensors to resolve small masses. Here, we report mass sensing experiments with a resolution of 1.7 yg (1 yg = 10(-24) g), which corresponds to the mass of one proton. The resonator is a carbon nanotube of length ∼150 nm that vibrates at a frequency of almost 2 GHz. This unprecedented level of sensitivity allows us to detect adsorption events of naphthalene molecules (C(10)H(8)), and to measure the binding energy of a xenon atom on the nanotube surface. These ultrasensitive nanotube resonators could have applications in mass spectrometry, magnetometry and surface science.
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Affiliation(s)
- J Chaste
- Catalan Institute of Nanotechnology, CIN2(ICN-CSIC), Campus de la UAB, 08193 Bellaterra, Barcelona, Spain
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Moser J, Kriehuber E, Trautinger F. A simple and rapid quantitative sweat test based on cobalt chloride color change. Skin Pharmacol Physiol 2012; 25:150-4. [PMID: 22414739 DOI: 10.1159/000336922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Accepted: 01/24/2012] [Indexed: 11/19/2022]
Abstract
BACKGROUND Existing sweat tests are either cumbersome, require dedicated technical equipment and/or do not give reliable quantitative results. The present study was performed to develop and describe a rapid and simple test for a practical and quantitative evaluation of sweating. METHODS Cobalt chloride patches were used to collect sweat during exercise and after application of aluminum hydrochloride. Color change from blue to red was recorded and quantified, and the amount of sweat was calculated from a standard curve. RESULTS Cobalt-chloride-containing patches evaluated with standard office equipment provide a rapid, simple and highly sensitive method for the quantitative measurement of sweating. CONCLUSIONS Possible applications that need to be evaluated in further studies are the diagnosis and monitoring of diseases associated with disordered sweat production and the evaluation of antiperspirants.
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Affiliation(s)
- J Moser
- Karl Landsteiner Institute for Dermatological Research, St. Poelten, Austria.
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Eichler A, Moser J, Chaste J, Zdrojek M, Wilson-Rae I, Bachtold A. Nonlinear damping in mechanical resonators made from carbon nanotubes and graphene. Nat Nanotechnol 2011; 6:339-42. [PMID: 21572430 DOI: 10.1038/nnano.2011.71] [Citation(s) in RCA: 201] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2011] [Accepted: 04/08/2011] [Indexed: 05/20/2023]
Abstract
The theory of damping is discussed in Newton's Principia and has been tested in objects as diverse as the Foucault pendulum, the mirrors in gravitational-wave detectors and submicrometre mechanical resonators. In general, the damping observed in these systems can be described by a linear damping force. Advances in nanofabrication mean that it is now possible to explore damping in systems with one or more atomic-scale dimensions. Here we study the damping of mechanical resonators based on carbon nanotubes and graphene sheets. The damping is found to strongly depend on the amplitude of motion, and can be described by a nonlinear rather than a linear damping force. We exploit the nonlinear nature of damping in these systems to improve the figures of merit for both nanotube and graphene resonators. For instance, we achieve a quality factor of 100,000 for a graphene resonator.
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Affiliation(s)
- A Eichler
- CIN2 (ICN-CSIC), Catalan Institute of Nanotechnology, Campus de UAB 08193 Bellaterra, Barcelona, Spain
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Huang Z, Moser J, Sennett M, Gibson H, Naughton M, Wen J, Ren Z. Fabrication of Freestanding Carbon Nanotube Arrays in Large Scale. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-633-a13.22] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractWe have successfully fabricated many freestanding carbon nanotube arrays on silicon substrates. Two sizes of nickel dot arrays have been made by E-beam lithography. It has been found that the size of the carbon nanotubes is closely related to the size of the dot. Compared with our previous report on diameters of about 300 –400 nm, much thinner carbon nanotubes of 100 –150 nm have been made. With even smaller dots, it is expected that even thinner nanotubes of a few tens of nanometers could be made. The nanotube height is controlled by the growth time and nanotube uniformity has been greatly improved by introduction of a two-phase process of nucleation and growth.
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Abstract
Multielectron storage and hydrogen generation by light is achieved in aqueous dispersions of ultrafine TiO(2) particles (120-A diameter) when the amphiphilic viologen derivative N-tetradecyl-N'-methyl-4,4'-dipyridinium dichloride (C(14)MV(2+)) is used as an electron relay. Consecutive reduction of C(14)MV(2+) to the radical ion (C(14)MV(+)) and neutral (C(14)MV(0)) was observed after band-gap excitation of the semiconductor particle. Through surface adsorption of the relay, these electron-transfer reactions can occur very rapidly and are completed within less than 100 musec (pH 11). Two-electron reduction of C(14)MV(2+) can be coupled with H(2) generation in alkaline medium in the presence of Pt catalyst codeposited onto the TiO(2) particle. Electron-relay-free systems are 1/15th as efficient in producing H(2) at the same pH.
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Affiliation(s)
- M Grätzel
- Institut de Chimie Physique, Ecole Polytechnique Fèdèrale, CH-1015 Lausanne, Switzerland
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Schimmer C, Moser J, Hamouda K, Sommer SP, Bensch M, Yildirim C, Leyh R. Evaluation of multiple platelet function analyzer (Multiplate®) in cardiac surgery. Thorac Cardiovasc Surg 2010. [DOI: 10.1055/s-0029-1246810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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41
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Sacha GM, Cardellach M, Segura JJ, Moser J, Bachtold A, Fraxedas J, Verdaguer A. Influence of the macroscopic shape of the tip on the contrast in scanning polarization force microscopy images. Nanotechnology 2009; 20:285704. [PMID: 19550016 DOI: 10.1088/0957-4484/20/28/285704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We demonstrate that a quantitative analysis of the contrast obtained in electrostatic force microscopy images that probe the dielectric response of the sample (scanning polarization force microscopy (SPFM)) requires numerical simulations that take into account both the macroscopic shape of the tip and the nanoscopic tip apex. To simulate the SPFM contrast, we have used the generalized image charge method (GICM), which is able to accurately deal with distances between a few nanometers and several microns, thus involving more than three orders of magnitude. Our numerical simulations show that the macroscopic shape of the tip accounts for most of the SPFM contrast. Moreover, we find a quasi-linear relation between the working tip-sample distance and the contrast for tip radii between 50 and 200 nm. Our calculations are compared with experimental measurements of the contrast between a thermally grown silicon oxide sample and a few-layer graphene film transferred onto it.
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Affiliation(s)
- G M Sacha
- Grupo de Neurocomputación Biológica Escuela Politécnica Superior, Universidad Autónoma de Madrid, Cantoblanco, Madrid, Spain
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42
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Heberer M, Moser J, Dürig M, Harder F. Prospektive Untersuchung der Komplikationen des zentralen Venenkatheters. Transfus Med Hemother 2009. [DOI: 10.1159/000221671] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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43
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Moser J, Matos-Abiague A, Schuh D, Wegscheider W, Fabian J, Weiss D. Tunneling anisotropic magnetoresistance and spin-orbit coupling in Fe/GaAs/Au tunnel junctions. Phys Rev Lett 2007; 99:056601. [PMID: 17930774 DOI: 10.1103/physrevlett.99.056601] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2006] [Indexed: 05/25/2023]
Abstract
We report the observation of tunneling anisotropic magnetoresistance effect in the epitaxial metal-semiconductor system Fe/GaAs/Au. The observed twofold anisotropy of the resistance can be switched by reversing the bias voltage, suggesting that the effect originates from the interference of the spin-orbit coupling at the interfaces. Corresponding model calculations reproduce the experimental findings very well.
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Affiliation(s)
- J Moser
- Institut für Experimentelle und Angewandte Physik, Universität Regensburg, 93040 Regensburg, Germany
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44
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Schulze J, Schubert WD, Moser J, Jahn D, Heinz D. Crystal structure of glutamate-1-semialdehyde-aminomutase from Thermosynechococcus elongatus. Acta Crystallogr A 2004. [DOI: 10.1107/s0108767304096540] [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: 11/11/2022] Open
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45
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Abstract
Three cats with spasticity on one leg or on all four limbs were presented between 1996 and 1998 at the Department of clinical veterinary medicine, Section of neurology, Vetsuisse-Faculty of Bern. The presumptive diagnosis was tetanus. A focal form was present in two cases and generalised tetanus in one cat. All cats had a history of injury at the affected legs respectively at the neck. The first clinical signs were seen between two days and three weeks after injury. The bacteriologic examination of serous fluid from the site of injury revealed an infection with Clostridium. EMG in one cat during anaesthesia showed motor united potentials (MUPs) on the spastic leg. All patients received antibiotics (Penicillin, respectively Amoxicillin/Clavulanic acid and Metronidazol). Supportive aid were initially sedation, wound revision and in one cat nutrition through oesophageal sonde. In a second phase physiotherapy was performed. All three animals were significantly better after a couple of weeks, two cats were without symptoms after eight and five weeks respectively.
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Affiliation(s)
- A Tomek
- Departement für klinische Veterinärmedizin der Universität Bern.
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46
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Frankenberg N, Moser J, Jahn D. Bacterial heme biosynthesis and its biotechnological application. Appl Microbiol Biotechnol 2003; 63:115-27. [PMID: 13680202 DOI: 10.1007/s00253-003-1432-2] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2003] [Revised: 08/22/2003] [Accepted: 07/26/2003] [Indexed: 10/26/2022]
Abstract
Proteins carrying a prosthetic heme group are vital parts of bacterial energy conserving and stress response systems. They also mediate complex enzymatic reactions and regulatory processes. Here, we review the multistep biosynthetic pathway of heme formation including the enzymes involved and reaction mechanisms. Potential biotechnological implications are discussed.
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Affiliation(s)
- N Frankenberg
- Institute for Microbiology, Technical University of Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany.
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Moser J, Wegscheider W, Meisel T, Fellner N. An uncertainty budget for trace analysis by isotope-dilution ICP-MS with proper consideration of correlation. Anal Bioanal Chem 2003; 377:97-110. [PMID: 12898118 DOI: 10.1007/s00216-003-2028-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2003] [Revised: 04/17/2003] [Accepted: 05/05/2003] [Indexed: 11/28/2022]
Abstract
Isotope-dilution mass spectrometry (IDMS) is considered to be a method without significant correction factors. It is also believed that this method is well understood. But unfortunately a large number of different uncertainty budgets have been published that consider different correction factors. These differences lead to conflicting combined uncertainties especially in trace analysis. It is described how the known correction factors must be considered in the uncertainty budget of values determined by IDMS combined with ICP-MS (ICP-IDMS). The corrections applied are dead time, background, interference, mass discrimination, blank correction and air buoyancy.IDMS measurements consist always of a series of isotope abundance ratio measurements and can be done according to different measurement protocols. Because the measurement protocols of IDMS are often rather sophisticated, correlations of influence quantities are difficult to identify. Therefore the measurement protocol has to be carefully considered in the specification of the measurand and a strategy is presented to properly account for these correlations. This will be exemplified for the estimation of mass fractions of platinum group elements (PGEs) and Re in the geological reference material UB-N (from CRPG-CNRS, Nancy in France) with ICP-IDMS. The PGEs with more than one isotope and the element Re are measured with on-line cation-exchange chromatography coupled to a quadrupole ICP-MS. All contents are below 10 microg kg(-1). Only osmium is separated from the matrix by direct sparging of OsO(4) into the plasma. This leads to transient signals for all PGEs and Re. It is possible to estimate the combined uncertainties and keep them favourably small despite the low contents, the transient signals and the sophisticated correction model.
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Affiliation(s)
- J Moser
- Department of General and Analytical Chemistry, University of Leoben, 8700 Leoben, Austria.
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Abstract
In most bacteria, in archaea and in plants, the general precursor of all tetrapyrroles, 5-aminolaevulinic acid, is formed by two enzymes. The initial substrate, glutamyl-tRNA, is reduced by NADPH-dependent glutamyl-tRNA reductase to form glutamate 1-semialdehyde. The aldehyde is subsequently transaminated by glutamate-1-semialdehyde 2,1-aminomutase to yield 5-aminolaevulinic acid. The enzymic mechanism and the solved crystal structure of Methanopyrrus kandleri glutamyl-tRNA reductase are described. A pathway for metabolic channelling of the reactive aldehyde between glutamyl-tRNA reductase and the aminomutase is proposed.
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Affiliation(s)
- J Moser
- Institute of Microbiology, Technical University Braunschweig, Spielmannstrasse 7, D-38106 Braunschweig, Germany
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49
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Abstract
The chromosome-type exchange aberrations induced by ionizing radiation during the G(0)/G(1) phase of the cell cycle are believed to be the result of illegitimate rejoining of chromosome breaks. From numerous studies using chromosome painting, it has emerged that even after a moderate dose of radiation, a substantial fraction of these exchanges is complex. Most of them are derived from the free interaction between the ends of three or more breaks. Other studies have demonstrated that chromosomes occupy distinct territories in the interphase nucleus. Since breaks that are in close proximity have an enhanced interaction probability, it seems likely that after ionizing radiation many of the interacting breaks will be present within one chromosome or chromosome arm. Unfortunately, the majority of these intrachanges remain undetected, even when sophisticated molecular cytogenetic detection methods (i.e. mFISH) are applied to paint all chromosome pairs in distinct colors. In the present paper, we evaluate the limitations of full-color painting for the detection of complex exchanges and the correct interpretations of break interactions.
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Affiliation(s)
- J J W A Boei
- Department of Radiation Genetics and Chemical Mutagenesis, Leiden University Medical Center, Wassenaarseweg 72, P.O. Box 9503, Leiden, The Netherlands.
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Kempa K, Zhou Y, Engelbrecht JR, Bakshi P, Ha HI, Moser J, Naughton MJ, Ulrich J, Strasser G, Gornik E, Unterrainer K. Intersubband transport in quantum wells in strong magnetic fields mediated by single- and two-electron scattering. Phys Rev Lett 2002; 88:226803. [PMID: 12059443 DOI: 10.1103/physrevlett.88.226803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2001] [Indexed: 05/23/2023]
Abstract
We show theoretically that in quantum wells subjected to a strong magnetic field the intersubband current peaks at magnetic field values, which reveal the underlying specific intersubband scattering mechanism. We have designed and grown a superlattice structure in which such current oscillations are clearly visible, and in which the transition from the purely single-electron to the mixed single- and two-electron scattering regimes can be observed by tuning the applied voltage bias. The measurements were conducted in ultrahigh magnetic fields (up to 45 T) to obtain the full spectrum of the current oscillations.
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Affiliation(s)
- K Kempa
- Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA
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