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Your search keyword '"Kostis W. J."' showing total 18 results
Start Over Author "Kostis W. J." Publication Year Range Last 50 years
18 results on '"Kostis W. J."'

1. Comparative effectiveness and safety of non-vitamin K antagonists for atrial fibrillation in clinical practice:: GLORIA-AF Registry

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Lip G. Y. H., Kotalczyk A., Teutsch C., Diener H. -C., Dubner S. J., Halperin J. L., Ma C. -S., Rothman K. J., Marler S., Gurusamy V. K., Huisman M. V., Abban D. W., Aziz E., Kalan M. B., Abdul N., Backes L. M., Bradman D., Abud A. M., Badings E., Brautigam D., Adams F., Bagni E., Breton N., Addala S., Baker S. H., Brouwers P. J. A. M., Adragao P., Bala R., Browne K., Ageno W., Baldi A., Cortada J. B., Aggarwal R., Bando S., Bruni A., Agosti S., Banerjee S., Brunschwig C., Agostoni P., Bank A., Buathier H., Aguilar F., Esquivias G. B., Buhl A., Linares J. A., Barr C., Bullinga J., Aguinaga L., Bartlett M., Cabrera J. W., Ahmed J., Basic Kes V., Caccavo A., Aiello A., Baula G., Cai S., Ainsworth P., Behrens S., Caine S., Aiub J. R., Bell A., Calo L., Al-Dallow R., Benedetti R., Calvi V., Alderson L., Mazuecos J. B., Sanchez M. C., Velasco J. A. A., Benhalima B., Candeias R., Alexopoulos D., Bergler-Klein J., Capuano V., Manterola F. A., Berneau J. -B., Capucci A., Aliyar P., Bernstein R. A., Caputo R., Alonso D., Berrospi P., Rizo T. C., da Costa F. A. A., Berti S., Cardona F., Amado J., Berz A., da Costa Darrieux F. C., Amara W., Best E., Vera Y. C. D., Amelot M., Bettencourt P., Carolei A., Amjadi N., Betzu R., Carreno S., Ammirati F., Bhagwat R., Carvalho P., Andrade M., Bhatta L., Cary S., Andrawis N., Biscione F., Casu G., Annoni G., Bisignani G., Cavallini C., Ansalone G., Black T., Cayla G., Ariani M. K., Bloch M. J., Celentano A., Arias J. C., Bloom S., Cha T. -J., Armero S., Blumberg E., Cha K. S., Arora C., Bo M., Chae J. K., Aslam M. S., Bohmer E., Chalamidas K., Asselman M., Bollmann A., Challappa K., Audouin P., Bongiorni M. G., Chand S. P., Augenbraun C., Boriani G., Chandrashekar H., Aydin S., Boswijk D. J., Chartier L., Bott J., Chatterjee K., Ayryanova I., Bottacchi E., Ayala C. A. C., Cheema A., Davis G., Evonich R., Davy J. -M., Evseeva O., Chen L., Dayer M., Ezhov A., Chen S. -A., De Biasio M., Fahmy R., Chen J. H., De Bonis S., Fang Q., Chiang F. -T., De Caterina R., Farsad R., Chiarella F., De Franceschi T., Fauchier L., Chih-Chan L., de Groot J. R., Favale S., Cho Y. K., De Horta J., Fayard M., Choi J. -I., De La Briolle A., Fedele J. L., Choi D. J., de la Pena Topete G., Fedele F., Chouinard G., de Paola A. A. V., Fedorishina O., Chow D. H. -F., de Souza W., Fera S. R., Chrysos D., de Veer A., Ferreira L. G. G., Chumakova G., De Wolf L., Ferreira J., Valenzuela E. J. J. R. C., Decoulx E., Ferri C., Nica N. C., Deepak S., Ferrier A., Cislowski D. J., Defaye P., Ferro H., Clay A., Munoz F. D. -C., Finsen A., Clifford P., Brkljacic D. D., First B., Cohen A., Deumite N. J., Fischer S., Cohen M., Di Legge S., Fonseca C., Cohen S., Diemberger I., Almeida L. F., Colivicchi F., Dietz D., Forman S., Collins R., Dionisio P., Frandsen B., Colonna P., Dong Q., French W., Compton S., dos Santos F. R., Friedman K., Connolly D., Dotcheva E., Friese A., Conti A., Doukky R., Fruntelata A. G., Buenostro G. C., D'Souza A., Fujii S., Coodley G., Dubrey S., Fumagalli S., Cooper M., Ducrocq X., Fundamenski M., Coronel J., Dupljakov D., Furukawa Y., Corso G., Duque M., Gabelmann M., Sales J. C., Dutta D., Gabra N., Cottin Y., Duvilla N., Gadsboll N., Covalesky J., Duygun A., Galinier M., Cracan A., Dziewas R., Gammelgaard A., Crea F., Eaton C. B., Ganeshkumar P., Crean P., Eaves W., Gans C., Crenshaw J., Ebels-Tuinbeek L. A., Quintana A. G., Cullen T., Ehrlich C., Gartenlaub O., Darius H., Eichinger-Hasenauer S., Gaspardone A., Dary P., Eisenberg S. J., Genz C., Dascotte O., Jabali A. E., Georger F., Dauber I., Shahawy M. E., Georges J. -L., Davalos V., Hernandes M. E., Georgeson S., Davies R., Izal A. E., Giedrimas E., Gierba M., Haruna T., Jarmukli N., Ortega I. G., Hayek E., Jeanfreau R. J., Gillespie E., Healey J., Jenkins R. D., Giniger A., Hearne S., Sanchez C. J., Giudici M. C., Heffernan M., Jimenez J., Gkotsis A., Heggelund G., Jobe R., Glotzer T. V., Heijmeriks J. A., Joen-Jakobsen T., Gmehling J., Hemels M., Jones N., Gniot J., Hendriks I., Jorge J. C. M., Goethals P., Henein S., Jouve B., Goldbarg S., Her S. -H., Jung B. C., Goldberg R., Hermany P., Jung K. T., Goldmann B., Del Rio J. E. H., Jung W., Golitsyn S., Higashino Y., Kachkovskiy M., Gomez S., Hill M., Kafkala K., Mesa J. G., Hisadome T., Kalinina L., Gonzalez V. B., Hishida E., Kallmunzer B., Hermosillo J. A. G., Hoffer E., Kamali F., Lopez V. M. G., Hoghton M., Kamo T., Gorka H., Hong K., Kampus P., Gornick C., Hong S., Kashou H., Gorog D., Horbach S., Kastrup A., Gottipaty V., Horiuchi M., Katsivas A., Goube P., Hou Y., Kaufman E., Goudevenos I., Hsing J., Kawai K., Graham B., Huang C. -H., Kawajiri K., Greer G. S., Huckins D., Kazmierski J. F., Gremmler U., Hughes K., Keeling P., Grena P. G., Huizinga A., Saraiva J. F. K., Grond M., Hulsman E. L., Ketova G., Gronda E., Hung K. -C., Khaira A. S., Gronefeld G., Hwang G. -S., Khripun A., Gu X., Ikpoh M., Kim D. -I., Torres I. G. T., Imberti D., Kim Y. H., Guardigli G., Ince H., Kim N. H., Guevara C., Indolfi C., Kim D. K., Guignier A., Inoue S., Kim J. S., Gulizia M., Irles D., Gumbley M., Iseki H., Kim K. S., Gunther A., Israel C. N., Kim J., Ha A., Iteld B., Kinova E., Hahalis G., Iyer V., Klein A., Hakas J., Jackson-Voyzey E., Kmetzo J. J., Hall C., Jaffrani N., Kneller G. L., Han B., Jager F., Knezevic A., Han S., James M., Koh S. M. A., Hargrove J., Jang S. -W., Koide S., Hargroves D., Jaramillo N., Kollias A., Kooistra J. A., Li W., McClure J., Koons J., Li X., McCormack T., Koschutnik M., Lichy C., McGarity W., Kostis W. J., Lieber I., McIntyre H., Kovacic D., Rodriguez R. H. L., McLaurin B., Kowalczyk J., Lin H., Alvaro F., Palomino M., Koziolova N., Melandri F., Kraft P., Liu F., Meno H., Kragten J. A., Liu H., Menzies D., Krantz M., Esperon G. L., Mercader M., Krause L., Navarro N. L., Meyer C., Krenning B. J., Lo E., Meyer B. J., Krikke F., Lokshyn S., Miarka J., Kromhout Z., Lopez A., Mibach F., Krysiak W., Lopez-Sendon J. L., Michalski D., Kumar P., Filho A. M. L., Michel P., Kumler T., Lorraine R. S., Chreih R. M., Kuniss M., Luengas C. A., Luengas A., Mikdadi G., Kuo J. -Y., Luke R., Mikus M., Kuppers A., Luo M., Milicic D., Kurrelmeyer K., Lupovitch S., Militaru C., Kwak C. H., Lyrer P., Minaie S., Laboulle B., Ma C., Minescu B., Labovitz A., Ma G., Mintale I., Ter Lai W., Madariaga I., Mirault T., Lam A., Maeno K., Mirro M. J., Lam Y. Y., Magnin D., Mistry D., Lanas Zanetti F., Maid G., Miu N. V., Landau C., Mainigi S. K., Miyamoto N., Landini G., Makaritsis K., Moccetti T., Lanna Figueiredo E., Malhotra R., Mohammed A., Larsen T., Manning R., Nor A. M., Lavandier K., Manolis A., Mollerus M., LeBlanc J., Hurtado H. A. M., Molon G., Lee M. H., Mantas I., Mondillo S., Lee C. -H., Jattin F. M., Moniz P., Lehman J., Maqueda V., Mont L., Leitao A., Marchionni N., Montagud V., Lellouche N., Ortuno F. M., Montana O., Lelonek M., Santana A. M., Monti C., Lenarczyk R., Martinez J., Moretti L., Lenderink T., Maskova P., Mori K., Gonzalez S. L., Hernandez N. M., Moriarty A., Leong-Sit P., Matsuda K., Morka J., Leschke M., Maurer T., Moschini L., Ley N., Mauro C., Moschos N., Li Z., May E., Mugge A., Mayer N., Mulhearn T. J., Muresan C., Jose E. P., Precoma D. B., Muriago M., Padilla F. G. P., Prelle A., Musial W., Rios V. P., Prodafikas J., Musser C. W., Pajes G., Protasov K., Musumeci F., Pandey A. S., Pye M., Nageh T., Paparella G., Qiu Z., Nakagawa H., Paris F., Quedillac J. -M., Nakamura Y., Park H. W., Raev D., Nakayama T., Park J. S., Grado C. A. R., Nam G. -B., Parthenakis F., Rahimi S., Nanna M., Passamonti E., Raisaro A., Natarajan I., Patel R. J., Rama B., Nayak H. M., Patel J., Ramos R., Naydenov S., Patel M., Ranieri M., Nazlic J., Patrick J., Raposo N., Nechita A. C., Jimenez R. P., Rashba E., Nechvatal L., Paz A., Rauch-Kroehnert U., Negron S. A., Pengo V., Reddy R., Neiman J., Pentz W., Renda G., Neuenschwander F. C., Perez B., Reza S., Neves D., Rios A. M. P., Ria L., Neykova A., Perez-Cabezas A., Richter D., Miguel R. N., Perlman R., Rickli H., Nijmeh G., Persic V., Rieker W., Nizov A., Perticone F., Vera T. R., Campos R. N., Peters T. K., Ritt L. E., Nossan J., Petkar S., Roberts D., Novikova T., Pezo L. F., Briones I. R., Nowalany-Kozielska E., Pflucke C., Escudero A. E. R., Nsah E., Pham D. N., Pascual C. R., Fragoso J. C. N., Phillips R. T., Roman M., Nurgalieva S., Phlaum S., Romeo F., Nuyens D., Pieters D., Ronner E., Nyvad O., Pineau J., Roux J. -F., de Los Rios Ibarra M. O., Pinter A., Rozkova N., O'Donnell P., Pinto F., Rubacek M., O'Donnell M., Pisters R., Rubalcava F., Oh S., Pivac N., Russo A. M., Oh Y. S., Pocanic D., Rutgers M. P., Oh D., Podoleanu C., Rybak K., O'Hara G., Politano A., Said S., Oikonomou K., Poljakovic Z., Sakamoto T., Olivares C., Pollock S., Salacata A., Oliver R., Garcea J. P., Salem A., Ruiz R. O., Poppert H., Bodes R. S., Olympios C., Porcu M., Saltzman M. A., Omaszuk-Kazberuk A., Reino A. P., Salvioni A., Asensi J. O., Prasad N., Vallejo G. S., Fernandez M. S., Sokal A., Tu T. M., Saporito W. F., Yan Y. S. O., Tuininga Y., Sarikonda K., Sotolongo R., Turakhia M., Sasaoka T., de Souza O. F., Turk S., Sati H., Sparby J. A., Turner W., Savelieva I., Spinar J., Tveit A., Scala P. -J., Sprigings D., Tytus R., Schellinger P., Spyropoulos A. C., Valadao C., Scherr C., Stakos D., van Bergen P. F. M. M., Schmitz L., Steinwender C., van de Borne P., Schmitz K. -H., Stergiou G., van den Berg B. J., Schmitz B., Stiell I., van der Zwaan C., Schnabel T., Stoddard M., Van Eck M., Schnupp S., Stoikov A., Vanacker P., Schoeniger P., Streb W., Vasilev D., Schon N., Styliadis I., Vasilikos V., Schwimmbeck P., Su G., Vasilyev M., Seamark C., Su X., Veerareddy S., Searles G., Sudnik W., Mino M. V., Seidl K. -H., Sukles K., Venkataraman A., Seidman B., Sun X., Verdecchia P., Sek J., Swart H., Versaci F., Sekaran L., Szavits-Nossan J., Vester E. G., Serrati C., Taggeselle J., Vial H., Shah N., Takagi Y., Victory J., Shah V., Takhar A. P. S., Villamil A., Shah A., Tamm A., Vincent M., Shah S., Tanaka K., Vlastaris A., Sharma V. K., Tanawuttiwat T., Dahl J., Shaw L., Tang S., Vora K., Sheikh K. H., Tang A., Vranian R. B., Shimizu N., Tarsi G., Wakefield P., Shimomura H., Tassinari T., Wang N., Shin D. -G., Tayal A., Wang M., Shin E. -S., Tayebjee M., Wang X., Shite J., Berg J. M., Wang F., Sibilio G., Tesloianu D., Wang T., Silver F., The S. H. K., Warner A. L., Sime I., Thomas D., Watanabe K., Simmers T. A., Timsit S., Wei J., Singh N., Tobaru T., Weimar C., Siostrzonek P., Tomasik A. R., Weiner S., Smadja D., Torosoff M., Weinrich R., Smith D. W., Touze E., Wen M. -S., Snitman M., Trendafilova E., Wiemer M., Filho D. S., Tsai W. K., Wiggers P., Soda H., Tse H. F., Wilke A., Sofley C., Tsutsui H., Williams D., Williams M. L., Yan P. Y. B., Zhang P., Witzenbichler B., Yang T., Zhang J., Wong B., Yao J., Zhao S. P., Wong K. S. L., Yeh K. -H., Zhao Y., Wozakowska-Kaplon B., Yin W. H., Zhao Z., Wu S., Yotov Y., Zheng Y., Wu R. C., Zahn R., Zhou J., Wunderlich S., Zarich S., Zimmermann S., Wyatt N., Zenin S., Zini A., Wylie J., Zeuthen E. L., Zizzo S., Xu Y., Zhang H., Zong W., Xu X., Zhang D., Zukerman L. S., Yamanoue H., Zhang X., Yamashita T., Cardiology, ACS - Heart failure & arrhythmias, Lip G.Y.H., Kotalczyk A., Teutsch C., Diener H.-C., Dubner S.J., Halperin J.L., Ma C.-S., Rothman K.J., Marler S., Gurusamy V.K., Huisman M.V., Abban D.W., Aziz E., Kalan M.B., Abdul N., Backes L.M., Bradman D., Abud A.M., Badings E., Brautigam D., Adams F., Bagni E., Breton N., Addala S., Baker S.H., Brouwers P.J.A.M., Adragao P., Bala R., Browne K., Ageno W., Baldi A., Cortada J.B., Aggarwal R., Bando S., Bruni A., Agosti S., Banerjee S., Brunschwig C., Agostoni P., Bank A., Buathier H., Aguilar F., Esquivias G.B., Buhl A., Linares J.A., Barr C., Bullinga J., Aguinaga L., Bartlett M., Cabrera J.W., Ahmed J., Basic Kes V., Caccavo A., Aiello A., Baula G., Cai S., Ainsworth P., Behrens S., Caine S., Aiub J.R., Bell A., Calo L., Al-Dallow R., Benedetti R., Calvi V., Alderson L., Mazuecos J.B., Sanchez M.C., Velasco J.A.A., Benhalima B., Candeias R., Alexopoulos D., Bergler-Klein J., Capuano V., Manterola F.A., Berneau J.-B., Capucci A., Aliyar P., Bernstein R.A., Caputo R., Alonso D., Berrospi P., Rizo T.C., da Costa F.A.A., Berti S., Cardona F., Amado J., Berz A., da Costa Darrieux F.C., Amara W., Best E., Vera Y.C.D., Amelot M., Bettencourt P., Carolei A., Amjadi N., Betzu R., Carreno S., Ammirati F., Bhagwat R., Carvalho P., Andrade M., Bhatta L., Cary S., Andrawis N., Biscione F., Casu G., Annoni G., Bisignani G., Cavallini C., Ansalone G., Black T., Cayla G., Ariani M.K., Bloch M.J., Celentano A., Arias J.C., Bloom S., Cha T.-J., Armero S., Blumberg E., Cha K.S., Arora C., Bo M., Chae J.K., Aslam M.S., Bohmer E., Chalamidas K., Asselman M., Bollmann A., Challappa K., Audouin P., Bongiorni M.G., Chand S.P., Augenbraun C., Boriani G., Chandrashekar H., Aydin S., Boswijk D.J., Chartier L., Bott J., Chatterjee K., Ayryanova I., Bottacchi E., Ayala C.A.C., Cheema A., Davis G., Evonich R., Davy J.-M., Evseeva O., Chen L., Dayer M., Ezhov A., Chen S.-A., De Biasio M., Fahmy R., Chen J.H., De Bonis S., Fang Q., Chiang F.-T., De Caterina R., Farsad R., Chiarella F., De Franceschi T., Fauchier L., Chih-Chan L., de Groot J.R., Favale S., Cho Y.K., De Horta J., Fayard M., Choi J.-I., De La Briolle A., Fedele J.L., Choi D.J., de la Pena Topete G., Fedele F., Chouinard G., de Paola A.A.V., Fedorishina O., Chow D.H.-F., de Souza W., Fera S.R., Chrysos D., de Veer A., Ferreira L.G.G., Chumakova G., De Wolf L., Ferreira J., Valenzuela E.J.J.R.C., Decoulx E., Ferri C., Nica N.C., Deepak S., Ferrier A., Cislowski D.J., Defaye P., Ferro H., Clay A., Munoz F.D.-C., Finsen A., Clifford P., Brkljacic D.D., First B., Cohen A., Deumite N.J., Fischer S., Cohen M., Di Legge S., Fonseca C., Cohen S., Diemberger I., Almeida L.F., Colivicchi F., Dietz D., Forman S., Collins R., Dionisio P., Frandsen B., Colonna P., Dong Q., French W., Compton S., dos Santos F.R., Friedman K., Connolly D., Dotcheva E., Friese A., Conti A., Doukky R., Fruntelata A.G., Buenostro G.C., D'Souza A., Fujii S., Coodley G., Dubrey S., Fumagalli S., Cooper M., Ducrocq X., Fundamenski M., Coronel J., Dupljakov D., Furukawa Y., Corso G., Duque M., Gabelmann M., Sales J.C., Dutta D., Gabra N., Cottin Y., Duvilla N., Gadsboll N., Covalesky J., Duygun A., Galinier M., Cracan A., Dziewas R., Gammelgaard A., Crea F., Eaton C.B., Ganeshkumar P., Crean P., Eaves W., Gans C., Crenshaw J., Ebels-Tuinbeek L.A., Quintana A.G., Cullen T., Ehrlich C., Gartenlaub O., Darius H., Eichinger-Hasenauer S., Gaspardone A., Dary P., Eisenberg S.J., Genz C., Dascotte O., Jabali A.E., Georger F., Dauber I., Shahawy M.E., Georges J.-L., Davalos V., Hernandes M.E., Georgeson S., Davies R., Izal A.E., Giedrimas E., Gierba M., Haruna T., Jarmukli N., Ortega I.G., Hayek E., Jeanfreau R.J., Gillespie E., Healey J., Jenkins R.D., Giniger A., Hearne S., Sanchez C.J., Giudici M.C., Heffernan M., Jimenez J., Gkotsis A., Heggelund G., Jobe R., Glotzer T.V., Heijmeriks J.A., Joen-Jakobsen T., Gmehling J., Hemels M., Jones N., Gniot J., Hendriks I., Jorge J.C.M., Goethals P., Henein S., Jouve B., Goldbarg S., Her S.-H., Jung B.C., Goldberg R., Hermany P., Jung K.T., Goldmann B., Del Rio J.E.H., Jung W., Golitsyn S., Higashino Y., Kachkovskiy M., Gomez S., Hill M., Kafkala K., Mesa J.G., Hisadome T., Kalinina L., Gonzalez V.B., Hishida E., Kallmunzer B., Hermosillo J.A.G., Hoffer E., Kamali F., Lopez V.M.G., Hoghton M., Kamo T., Gorka H., Hong K., Kampus P., Gornick C., Hong S., Kashou H., Gorog D., Horbach S., Kastrup A., Gottipaty V., Horiuchi M., Katsivas A., Goube P., Hou Y., Kaufman E., Goudevenos I., Hsing J., Kawai K., Graham B., Huang C.-H., Kawajiri K., Greer G.S., Huckins D., Kazmierski J.F., Gremmler U., Hughes K., Keeling P., Grena P.G., Huizinga A., Saraiva J.F.K., Grond M., Hulsman E.L., Ketova G., Gronda E., Hung K.-C., Khaira A.S., Gronefeld G., Hwang G.-S., Khripun A., Gu X., Ikpoh M., Kim D.-I., Torres I.G.T., Imberti D., Kim Y.H., Guardigli G., Ince H., Kim N.H., Guevara C., Indolfi C., Kim D.K., Guignier A., Inoue S., Kim J.S., Gulizia M., Irles D., Gumbley M., Iseki H., Kim K.S., Gunther A., Israel C.N., Kim J., Ha A., Iteld B., Kinova E., Hahalis G., Iyer V., Klein A., Hakas J., Jackson-Voyzey E., Kmetzo J.J., Hall C., Jaffrani N., Kneller G.L., Han B., Jager F., Knezevic A., Han S., James M., Koh S.M.A., Hargrove J., Jang S.-W., Koide S., Hargroves D., Jaramillo N., Kollias A., Kooistra J.A., Li W., McClure J., Koons J., Li X., McCormack T., Koschutnik M., Lichy C., McGarity W., Kostis W.J., Lieber I., McIntyre H., Kovacic D., Rodriguez R.H.L., McLaurin B., Kowalczyk J., Lin H., Alvaro F., Palomino M., Koziolova N., Melandri F., Kraft P., Liu F., Meno H., Kragten J.A., Liu H., Menzies D., Krantz M., Esperon G.L., Mercader M., Krause L., Navarro N.L., Meyer C., Krenning B.J., Lo E., Meyer B.J., Krikke F., Lokshyn S., Miarka J., Kromhout Z., Lopez A., Mibach F., Krysiak W., Lopez-Sendon J.L., Michalski D., Kumar P., Filho A.M.L., Michel P., Kumler T., Lorraine R.S., Chreih R.M., Kuniss M., Luengas C.A., Luengas A., Mikdadi G., Kuo J.-Y., Luke R., Mikus M., Kuppers A., Luo M., Milicic D., Kurrelmeyer K., Lupovitch S., Militaru C., Kwak C.H., Lyrer P., Minaie S., Laboulle B., Ma C., Minescu B., Labovitz A., Ma G., Mintale I., Ter Lai W., Madariaga I., Mirault T., Lam A., Maeno K., Mirro M.J., Lam Y.Y., Magnin D., Mistry D., Lanas Zanetti F., Maid G., Miu N.V., Landau C., Mainigi S.K., Miyamoto N., Landini G., Makaritsis K., Moccetti T., Lanna Figueiredo E., Malhotra R., Mohammed A., Larsen T., Manning R., Nor A.M., Lavandier K., Manolis A., Mollerus M., LeBlanc J., Hurtado H.A.M., Molon G., Lee M.H., Mantas I., Mondillo S., Lee C.-H., Jattin F.M., Moniz P., Lehman J., Maqueda V., Mont L., Leitao A., Marchionni N., Montagud V., Lellouche N., Ortuno F.M., Montana O., Lelonek M., Santana A.M., Monti C., Lenarczyk R., Martinez J., Moretti L., Lenderink T., Maskova P., Mori K., Gonzalez S.L., Hernandez N.M., Moriarty A., Leong-Sit P., Matsuda K., Morka J., Leschke M., Maurer T., Moschini L., Ley N., Mauro C., Moschos N., Li Z., May E., Mugge A., Mayer N., Mulhearn T.J., Muresan C., Jose E.P., Precoma D.B., Muriago M., Padilla F.G.P., Prelle A., Musial W., Rios V.P., Prodafikas J., Musser C.W., Pajes G., Protasov K., Musumeci F., Pandey A.S., Pye M., Nageh T., Paparella G., Qiu Z., Nakagawa H., Paris F., Quedillac J.-M., Nakamura Y., Park H.W., Raev D., Nakayama T., Park J.S., Grado C.A.R., Nam G.-B., Parthenakis F., Rahimi S., Nanna M., Passamonti E., Raisaro A., Natarajan I., Patel R.J., Rama B., Nayak H.M., Patel J., Ramos R., Naydenov S., Patel M., Ranieri M., Nazlic J., Patrick J., Raposo N., Nechita A.C., Jimenez R.P., Rashba E., Nechvatal L., Paz A., Rauch-Kroehnert U., Negron S.A., Pengo V., Reddy R., Neiman J., Pentz W., Renda G., Neuenschwander F.C., Perez B., Reza S., Neves D., Rios A.M.P., Ria L., Neykova A., Perez-Cabezas A., Richter D., Miguel R.N., Perlman R., Rickli H., Nijmeh G., Persic V., Rieker W., Nizov A., Perticone F., Vera T.R., Campos R.N., Peters T.K., Ritt L.E., Nossan J., Petkar S., Roberts D., Novikova T., Pezo L.F., Briones I.R., Nowalany-Kozielska E., Pflucke C., Escudero A.E.R., Nsah E., Pham D.N., Pascual C.R., Fragoso J.C.N., Phillips R.T., Roman M., Nurgalieva S., Phlaum S., Romeo F., Nuyens D., Pieters D., Ronner E., Nyvad O., Pineau J., Roux J.-F., de Los Rios Ibarra M.O., Pinter A., Rozkova N., O'Donnell P., Pinto F., Rubacek M., O'Donnell M., Pisters R., Rubalcava F., Oh S., Pivac N., Russo A.M., Oh Y.S., Pocanic D., Rutgers M.P., Oh D., Podoleanu C., Rybak K., O'Hara G., Politano A., Said S., Oikonomou K., Poljakovic Z., Sakamoto T., Olivares C., Pollock S., Salacata A., Oliver R., Garcea J.P., Salem A., Ruiz R.O., Poppert H., Bodes R.S., Olympios C., Porcu M., Saltzman M.A., Omaszuk-Kazberuk A., Reino A.P., Salvioni A., Asensi J.O., Prasad N., Vallejo G.S., Fernandez M.S., Sokal A., Tu T.M., Saporito W.F., Yan Y.S.O., Tuininga Y., Sarikonda K., Sotolongo R., Turakhia M., Sasaoka T., de Souza O.F., Turk S., Sati H., Sparby J.A., Turner W., Savelieva I., Spinar J., Tveit A., Scala P.-J., Sprigings D., Tytus R., Schellinger P., Spyropoulos A.C., Valadao C., Scherr C., Stakos D., van Bergen P.F.M.M., Schmitz L., Steinwender C., van de Borne P., Schmitz K.-H., Stergiou G., van den Berg B.J., Schmitz B., Stiell I., van der Zwaan C., Schnabel T., Stoddard M., Van Eck M., Schnupp S., Stoikov A., Vanacker P., Schoeniger P., Streb W., Vasilev D., Schon N., Styliadis I., Vasilikos V., Schwimmbeck P., Su G., Vasilyev M., Seamark C., Su X., Veerareddy S., Searles G., Sudnik W., Mino M.V., Seidl K.-H., Sukles K., Venkataraman A., Seidman B., Sun X., Verdecchia P., Sek J., Swart H., Versaci F., Sekaran L., Szavits-Nossan J., Vester E.G., Serrati C., Taggeselle J., Vial H., Shah N., Takagi Y., Victory J., Shah V., Takhar A.P.S., Villamil A., Shah A., Tamm A., Vincent M., Shah S., Tanaka K., Vlastaris A., Sharma V.K., Tanawuttiwat T., Dahl J., Shaw L., Tang S., Vora K., Sheikh K.H., Tang A., Vranian R.B., Shimizu N., Tarsi G., Wakefield P., Shimomura H., Tassinari T., Wang N., Shin D.-G., Tayal A., Wang M., Shin E.-S., Tayebjee M., Wang X., Shite J., Berg J.M., Wang F., Sibilio G., Tesloianu D., Wang T., Silver F., The S.H.K., Warner A.L., Sime I., Thomas D., Watanabe K., Simmers T.A., Timsit S., Wei J., Singh N., Tobaru T., Weimar C., Siostrzonek P., Tomasik A.R., Weiner S., Smadja D., Torosoff M., Weinrich R., Smith D.W., Touze E., Wen M.-S., Snitman M., Trendafilova E., Wiemer M., Filho D.S., Tsai W.K., Wiggers P., Soda H., Tse H.F., Wilke A., Sofley C., Tsutsui H., Williams D., Williams M.L., Yan P.Y.B., Zhang P., Witzenbichler B., Yang T., Zhang J., Wong B., Yao J., Zhao S.P., Wong K.S.L., Yeh K.-H., Zhao Y., Wozakowska-Kaplon B., Yin W.H., Zhao Z., Wu S., Yotov Y., Zheng Y., Wu R.C., Zahn R., Zhou J., Wunderlich S., Zarich S., Zimmermann S., Wyatt N., Zenin S., Zini A., Wylie J., Zeuthen E.L., Zizzo S., Xu Y., Zhang H., Zong W., Xu X., Zhang D., Zukerman L.S., Yamanoue H., Zhang X., and Yamashita T.

Subjects
Apixaban, Atrial fibrillation, Dabigatran, Non-vitamin K antagonists, Rivaroxaban, Pyridones, Medizin, Myocardial Infarction, Administration, Oral, Anticoagulants, Hemorrhage, General Medicine, Non-vitamin K antagonist, Stroke, Clinical Trials, Phase III as Topic, Humans, Prospective Studies, Registries, Cardiology and Cardiovascular Medicine
Abstract

Background and purpose Prospectively collected data comparing the safety and effectiveness of individual non-vitamin K antagonists (NOACs) are lacking. Our objective was to directly compare the effectiveness and safety of NOACs in patients with newly diagnosed atrial fibrillation (AF). Methods In GLORIA-AF, a large, prospective, global registry program, consecutive patients with newly diagnosed AF were followed for 3 years. The comparative analyses for (1) dabigatran vs rivaroxaban or apixaban and (2) rivaroxaban vs apixaban were performed on propensity score (PS)-matched patient sets. Proportional hazards regression was used to estimate hazard ratios (HRs) for outcomes of interest. Results The GLORIA-AF Phase III registry enrolled 21,300 patients between January 2014 and December 2016. Of these, 3839 were prescribed dabigatran, 4015 rivaroxaban and 4505 apixaban, with median ages of 71.0, 71.0, and 73.0 years, respectively. In the PS-matched set, the adjusted HRs and 95% confidence intervals (CIs) for dabigatran vs rivaroxaban were, for stroke: 1.27 (0.79–2.03), major bleeding 0.59 (0.40–0.88), myocardial infarction 0.68 (0.40–1.16), and all-cause death 0.86 (0.67–1.10). For the comparison of dabigatran vs apixaban, in the PS-matched set, the adjusted HRs were, for stroke 1.16 (0.76–1.78), myocardial infarction 0.84 (0.48–1.46), major bleeding 0.98 (0.63–1.52) and all-cause death 1.01 (0.79–1.29). For the comparison of rivaroxaban vs apixaban, in the PS-matched set, the adjusted HRs were, for stroke 0.78 (0.52–1.19), myocardial infarction 0.96 (0.63–1.45), major bleeding 1.54 (1.14–2.08), and all-cause death 0.97 (0.80–1.19). Conclusions Patients treated with dabigatran had a 41% lower risk of major bleeding compared with rivaroxaban, but similar risks of stroke, MI, and death. Relative to apixaban, patients treated with dabigatran had similar risks of stroke, major bleeding, MI, and death. Rivaroxaban relative to apixaban had increased risk for major bleeding, but similar risks for stroke, MI, and death. Registration URL: https://www.clinicaltrials.gov. Unique identifiers: NCT01468701, NCT01671007. Date of registration: September 2013. Graphical abstract

Published
2022
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5. Anticoagulant selection in relation to the SAMe-TT2R2 score in patients with atrial fibrillation: The GLORIA-AF registry

Author

Ntaios, G., Huisman, M. V., Diener, H. -C., Halperin, J. L., Teutsch, C., Marler, S., Gurusamy, V. K., Thompson, M., Lip, G. Y. H., Olshansky, B., Abban, D. W., Abdul, N., Abud, A. M., Adams, F., Addala, S., Adragao, P., Ageno, W., Aggarwal, R., Agosti, S., Agostoni, P., Aguilar, F., Linares, J. A., Aguinaga, L., Ahmed, J., Aiello, A., Ainsworth, P., Aiub, J. R., Al-Dallow, R., Alderson, L., Aldrete Velasco, J. A., Alexopoulos, D., Manterola, F. A., Aliyar, P., Alonso, D., Alves da Costa, F. A., Amado, J., Amara, W., Amelot, M., Amjadi, N., Ammirati, F., Andrade, M., Andrawis, N., Annoni, G., Ansalone, G., Ariani, M. K., Arias, J. C., Armero, S., Arora, C., Aslam, M. S., Asselman, M., Audouin, P., Augenbraun, C., Aydin, S., Ayryanova, I., Aziz, E., Backes, L. M., Badings, E., Bagni, E., Baker, S. H., Bala, R., Baldi, A., Bando, S., Banerjee, S., Bank, A., Esquivias, G. B., Barr, C., Bartlett, M., Kes, V. B., Baula, G., Behrens, S., Bell, A., Benedetti, R., Mazuecos, J. 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A., Spinar, J., Sprigings, D., Spyropoulos, A. C., Stakos, D., Steinwender, C., Stergiou, G., Stiell, I., Stoddard, M., Stoikov, A., Streb, W., Styliadis, I., Su, G., Su, X., Sudnik, W., Sukles, K., Sun, X., Swart, H., Szavits-Nossan, J., Taggeselle, J., Takagi, Y., Singh Takhar, A. P., Tamm, A., Tanaka, K., Tanawuttiwat, T., Tang, S., Tang, A., Tarsi, G., Tassinari, T., Tayal, A., Tayebjee, M., Berg, J. M. T., Tesloianu, D., The, S. H. K., Thomas, D., Timsit, S., Tobaru, T., Tomasik, A. R., Torosoff, M., Touze, E., Trendafilova, E., Tsai, W. K., Tse, H. F., Tsutsui, H., Tu, T. M., Tuininga, Y., Turakhia, M., Turk, S., Tcurner, W., Tveit, A., Tytus, R., Valadao, C., van Bergen, P. F. M. M., van de Borne, P., van den Berg, B. J., van der Zwaan, C., Van Eck, M., Vanacker, P., Vasilev, D., Vasilikos, V., Vasilyev, M., Veerareddy, S., Mino, M. V., Venkataraman, A., Verdecchia, P., Versaci, F., Vester, E. G., Vial, H., Victory, J., Villamil, A., Vincent, M., Vlastaris, A., Dahl, J. V., Vora, K., Vranian, R. B., Wakefield, P., Wang, N., Wang, M., Wang, X., Wang, F., Wang, T., Warner, A. L., Watanabe, K., Wei, J., Weimar, C., Weiner, S., Weinrich, R., Wen, M. -S., Wiemer, M., Wiggers, P., Wilke, A., Williams, D., Williams, M. L., Witzenbichler, B., Wong, B., Lawrence Wong, K. S., Wozakowska-Kaplon, B., Wu, S., Wu, R. C., Wunderlich, S., Wyatt, N., Wylie, J. J., Xu, Y., Xu, X., Yamanoue, H., Yamashita, T., Bryan Yan, P. Y., Yang, T., Yao, J., Yeh, K. -H., Yin, W. H., Yotov, Y., Zahn, R., Zarich, S., Zenin, S., Zeuthen, E. L., Zhang, H., Zhang, D., Zhang, X., Zhang, P., Zhang, J., Zhao, S. P., Zhao, Y., Zhao, Z., Zheng, Y., Zhou, J., Zimmermann, S., Zini, A., Zizzo, S., Zong, W., Zukerman, L. S., and Crea F. (ORCID:0000-0001-9404-8846)

Abstract

Aim: The SAMe-TT2R2 score helps identify patients with atrial fibrillation (AF) likely to have poor anticoagulation control during anticoagulation with vitamin K antagonists (VKA) and those with scores >2 might be better managed with a target-specific oral anticoagulant (NOAC). We hypothesized that in clinical practice, VKAs may be prescribed less frequently to patients with AF and SAMe-TT2R2 scores >2 than to patients with lower scores. Methods and results: We analyzed the Phase III dataset of the Global Registry on Long-Term Oral Antithrombotic Treatment in Patients with Atrial Fibrillation (GLORIA-AF), a large, global, prospective global registry of patients with newly diagnosed AF and ≥1 stroke risk factor. We compared baseline clinical characteristics and antithrombotic prescriptions to determine the probability of the VKA prescription among anticoagulated patients with the baseline SAMe-TT2R2 score >2 and ≤ 2. Among 17,465 anticoagulated patients with AF, 4,828 (27.6%) patients were prescribed VKA and 12,637 (72.4%) patients an NOAC: 11,884 (68.0%) patients had SAMe-TT2R2 scores 0-2 and 5,581 (32.0%) patients had scores >2. The proportion of patients prescribed VKA was 28.0% among patients with SAMe-TT2R2 scores >2 and 27.5% in those with scores ≤2. Conclusions: The lack of a clear association between the SAMe-TT2R2 score and anticoagulant selection may be attributed to the relative efficacy and safety profiles between NOACs and VKAs as well as to the absence of trial evidence that an SAMe-TT2R2-guided strategy for the selection of the type of anticoagulation in NVAF patients has an impact on clinical outcomes of efficacy and safety. The latter hypothesis is currently being tested in a randomized controlled trial. Clinical trial registration: URL: https://www.clinicaltrials.gov//Unique identifier: NCT01937377, NCT01468701, and NCT01671007.

Published
2021

10. Visit-to-visit offce blood pressure variability and cardiovascular outcomes in SPRINT (systolic blood pressure intervention trial)

Author

Chang, T, Reboussin, D, Chertow, G, Cheung, A, Cushman, W, Kostis, W, Parati, G, Raj, D, Riessen, E, Shapiro, B, Stergiou, G, Townsend, R, Tsioufs, K, Whelton, P, Whittle, J, Wright, J, Papademetriou, V, Chang T. I., Reboussin D. M., Chertow G. M., Cheung A. K., Cushman W. C., Kostis W. J., Parati G., Raj D., Riessen E., Shapiro B., Stergiou G. S., Townsend R. R., Tsioufs K., Whelton P. K., Whittle J., Wright J. T., Papademetriou V., Chang, T, Reboussin, D, Chertow, G, Cheung, A, Cushman, W, Kostis, W, Parati, G, Raj, D, Riessen, E, Shapiro, B, Stergiou, G, Townsend, R, Tsioufs, K, Whelton, P, Whittle, J, Wright, J, Papademetriou, V, Chang T. I., Reboussin D. M., Chertow G. M., Cheung A. K., Cushman W. C., Kostis W. J., Parati G., Raj D., Riessen E., Shapiro B., Stergiou G. S., Townsend R. R., Tsioufs K., Whelton P. K., Whittle J., Wright J. T., and Papademetriou V.

Abstract

Studies of visit-to-visit offce blood pressure (BP) variability (OBPV) as a predictor of cardiovascular events and death in high-risk patients treated to lower BP targets are lacking. We conducted a post hoc analysis of SPRINT (Systolic Blood Pressure Intervention Trial), a well-characterized cohort of participants randomized to intensive (<120 mmHg) or standard (<140 mmHg) systolic BP targets. We defned OBPV as the coeffcient of variation of the systolic BP using measurements taken during the 3-,6-, 9-, and 12-month study visits. In our cohort of 7879 participants, older age, female sex, black race, current smoking, chronic kidney disease, and coronary disease were independent determinants of higher OBPV. Use of thiazide-type diuretics or dihydropyridine calcium channel blockers was associated with lower OBPV whereas angiotensin-converting enzyme inhibitors or angiotensin receptor blocker use was associated with higher OBPV. There was no difference in OBPV in participants randomized to standard or intensive treatment groups. We found that OBPV had no signifcant associations with the composite end point of fatal and nonfatal cardiovascular events (n=324 primary end points; adjusted hazard ratio, 1.20; 95% confdence interval, 0.85-1.69, highest versus lowest quintile) nor with heart failure or stroke. The highest quintile of OBPV (versus lowest) was associated with all-cause mortality (adjusted hazard ratio, 1.92; confdence interval, 1.22-3.03) although the association of OBPV overall with all-cause mortality was marginal (P=0.07). Our results suggest that clinicians should continue to focus on offce BP control rather than on OBPV unless defnitive benefts of reducing OBPV are shown in prospective trials.

Published
2017

11. Microstructural Impact of Ischemia and Bone Marrow-Derived Cell Therapy Revealed With Diffusion Tensor Magnetic Resonance Imaging Tractography of the Heart In Vivo

Author

Sosnovik, D E, Mekkaoui, C, Huang, S, Chen, H H, Dai, G, Stoeck, C T, Ngoy, S, Guan, J, Wang, R, Kostis, W J, Jackowski, M P, Wedeen, V J, Kozerke, S, Liao, R, University of Zurich, and Sosnovik, D E

Subjects
170 Ethics, 2737 Physiology (medical), 610 Medicine & health, 10237 Institute of Biomedical Engineering, 2705 Cardiology and Cardiovascular Medicine
Published
2014

12. Restrictive or Liberal Transfusion Strategy in Myocardial Infarction and Anemia.

Author

Carson, J. L., Brooks, M. M., Hébert, P. C., Goodman, S. G., Bertolet, M., Glynn, S. A., Chaitman, B. R., Simon, T., Lopes, R. D., Goldsweig, A. M., DeFilippis, A. P., Abbott, J. D., Potter, B. J., Carrier, F. M., Rao, S. V., Cooper, H. A., Ghafghazi, S., Fergusson, D. A., Kostis, W. J., and Noveck, H.

Abstract

BACKGROUND A strategy ofadministering a transfusion only when the hemoglobin level falls below 7 or 8 g per deciliter has been widely adopted. However, patients with acute myocardial infarction may benefit from a higher hemoglobin level. METHODS In this phase 3, interventional trial, we randomly assigned patients with myocardial infarction and a hemoglobin level of less than 10 g per deciliter to a restrictive transfusion strategy (hemoglobin cutoff for transfusion, 7 or 8 g per deciliter) or a liberal transfusion strategy (hemoglobin cutoff, <10 g per deciliter). The primary outcome was a composite of myocardial infarction or death at 30 days. RESULTS A total of 3504 patients were included in the primary analysis. The mean (+SD) number of red-cell units that were transfused was 0.711.6 in the restrictive-strategy group and 2.512.3 in the liberal-strategy group. The mean hemoglobin level was 1.3 to 1.6 g per deciliter lower in the restrictive-strategy group than in the liberal strategy group on days 1 to 3 after randomization. A primary-outcome event occurred in 295 of 1749 patients (16.9%) in the restrictive-strategy group and in 255 of 1755 patients (14.5°6) in the liberal-strategy group (risk ratio modeled with multiple imputation for incomplete follow-up, 1.15; 95% confidence interval [CI], 0.99 to 1.34; P=0.07). Death occurred in 9.9% of the patients with the restrictive strategyand in 8.3% of the patients with the liberal strategy (risk ratio, 1. 19; 95% CI, 0.96 to 1.47); myocardial infarction occurred in 8.5% and 7.2% of the patients, respectively (risk ratio, 1.19; 95% CI, 0.94 to 1.49). CONCLUSIONS In patients with acute myocardial infarction and anemia, a liberal transfusion strategy did not significantly reduce the risk of recurrent myocardial infarction or death at 30 days. However, potential harms ofa restrictive transfusion strategy cannot be excluded. (Funded by the National Heart, Lung, and Blood Institute and others; MINT ClinicalTrials.gov number, NCT02981407.) [ABSTRACT FROM AUTHOR]

Published
2023
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13. Association of increased pulse pressure with the development of heart failure in SHEP. Systolic Hypertension in the Elderly (SHEP) Cooperative Research Group.

Author

Kostis JB, Lawrence-Nelson J, Ranjan R, Wilson AC, Kostis WJ, and Lacy CR

Subjects
Aged, Antihypertensive Agents administration & dosage, Diuretics administration & dosage, Female, Humans, Hypertension drug therapy, Male, Middle Aged, Proportional Hazards Models, Blood Pressure physiology, Heart Failure physiopathology, Hypertension physiopathology
Abstract

The aim of this study was to assess the relationship between pulse pressure (PP) and the occurrence of heart failure (HF) in older persons with isolated systolic hypertension. Data from a prospective, multicenter, randomized, double-blind, placebo-controlled clinical trial were analyzed. A total of 4736 persons aged > or = 60 years with systolic blood pressure (SBP) between 160 and 219 mm Hg and diastolic blood pressure (DBP) < 90 mm Hg who participated in the Systolic Hypertension in the Elderly Program (SHEP) were studied. The main outcome measures were fatal and nonfatal HF. During 4.5 years average follow-up, fatal or nonfatal HF occurred in 160 of 4736 patients. The SBP, PP, and mean arterial pressure (MAP) were strong predictors of the development of HF (P < .0002). Cox proportional hazards regression using time-dependent covariates and controlling for MAP indicated that HF was inversely related to DBP (P = 0.002) and was directly related to pulse pressure (P = 0.002). Data were similar when patients who developed myocardial infarction during follow up were excluded. These data indicate that, in older persons with isolated systolic hypertension, high pulse pressure is associated with increased risk of heart failure independently of MAP and of the occurrence of acute myocardial infarction during follow-up.

Published
2001
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14. Differences in beat-to-beat variability of the QT interval between day and night.

Author

Kostis WJ and Belina JC

Subjects
Adult, Algorithms, Electrocardiography, Humans, Circadian Rhythm, Heart Conduction System physiology
Abstract

The objective of this study was to evaluate the beat-to-beat variability of the QT interval during the day and night. A new algorithm was used to detect the onset of the QRS, the apex of the T wave, and end of the T in ambulatory electrocardiographic recordings. Beat-to-beat variability of QT, QaT, and QTc during the day and night was studied in the time, frequency, and chaotic domains. Participants were adults without clinical evidence of heart disease. Although the QT duration was higher (p = 0.0001) at night, the beat-to-beat variability of this interval was lower: in the time domain (decreased standard deviation, p = 0.0005), in the frequency domain (decreased low-frequency power of the spectra, p = 0.004), and the chaotic domain (tighter clustering of the points in the Poincaré plots). The high-frequency to low-frequency ratio of the power spectra of the QT (and the RR) was higher (p = 0.03) at night. Beat-to-beat QT variability in the time, frequency, and chaotic domains is decreased at night with shift of the QT modulation to higher frequencies corresponding to respiration and representing vagal preponderance. The techniques presented here and the findings in normal subjects may be useful in evaluating the risk for arrhythmic events in patients with heart disease.

Published
2000
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15. Small pulmonary nodules: volumetrically determined growth rates based on CT evaluation.

Author

Yankelevitz DF, Reeves AP, Kostis WJ, Zhao B, and Henschke CI

Subjects
Aged, Diagnosis, Differential, Female, Humans, Image Processing, Computer-Assisted, Lung Neoplasms diagnostic imaging, Lung Neoplasms pathology, Male, Middle Aged, Phantoms, Imaging, Solitary Pulmonary Nodule diagnostic imaging, Solitary Pulmonary Nodule pathology, Tomography, X-Ray Computed
Abstract

Purpose: To determine the accuracy of high-resolution computed tomographic (CT) volumetric measurements of small pulmonary nodules to assess growth and malignancy status., Materials and Methods: The accuracy of three-dimensional (3D) image extraction and isotropic resampling techniques was assessed by performing three experiments. The first experiment measured volumes in spherical synthetic nodules of two diameters (3.20 and 3.96 mm), the second measured deformable silicone synthetic nodules prior to and after their shape had been altered markedly, and the third measured nodules of various shapes and sizes. Three-dimensional techniques were used to assess growth in 13 patients for whom the final diagnosis was known and whose initial nodule diameters were less than 10 mm. By using the exponential growth model and the calculated nodule volume at two points in time, the doubling time for each subject was calculated., Results: The three synthetic nodule studies revealed that the volume could be measured accurately to within +/-3%. All five malignant nodules grew, and all had doubling times less than 177 days. Some malignant nodules had asymmetric patterns of growth identified by using the 3D techniques but not the two-dimensional methods. All eight benign nodules had doubling times of 396 days or greater or showed a decrease in volume., Conclusion: CT volumetric measurements are highly accurate for determining volume and are useful in assessing growth of small nodules and calculating their doubling times.

Published
2000
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16. Computer-aided diagnosis for lung cancer.

Author

Reeves AP and Kostis WJ

Subjects
Humans, Image Processing, Computer-Assisted, Radiography, Thoracic, Tomography, X-Ray Computed, Diagnosis, Computer-Assisted, Lung Neoplasms diagnostic imaging, Solitary Pulmonary Nodule diagnostic imaging
Abstract

CAD methods may provide radiologists with tools to obtain more accurate diagnoses for lung cancer. Considerable effort has been devoted to developing CAD tools for CXR; however, these are limited by the fundamental constraints of the projective CXR modality. CT provides far more detailed information that can be exploited better by CAD systems. There has been very little work done in this area to date, although the basic technology has already been developed through the more extensive research in the computer vision areas supported by industry and the military. Initial prototype CT CAD systems have been described that are highly effective in detecting small pulmonary nodules and in predicting malignancy of nodules. CT is now achieving momentum in the study of lung cancer. It has taken time for this modality to gain acceptance because of several factors: higher radiation dose, higher cost, and the novelty of use in this application. It is important to note that the technology for CT scanners is still rapidly evolving. As the speed, resolution, and cost of CT scanners continue to improve, computer techniques for the measurement and analysis of nodules will also achieve corresponding improvements in accuracy and diagnostic utility. Future knowledge-based CT CAD systems will provide detailed analysis of the related conditions of the lungs, such as emphysema, and diagnostic analysis of nodules. The issue is not whether CAD will improve the performance and capabilities of the radiologist, but at what rate their development and the corresponding improvement will occur. Current prototype CAD systems may be considered as tools. As such they will improve the performance of the user/radiologist if they are well engineered and if the user understands their capabilities and limitations. These systems need to be improved by knowledge-based engineering, which is notoriously difficult to implement robustly and requires model refinement and optimization based on a large database of cases. Research should be directed at developing these methods rather than comparing prototype systems with current practices. Future performance should be expected to exceed that of today's grand masters.

Published
2000
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17. Computer-aided diagnosis of small pulmonary nodules.

Author

Reeves AP and Kostis WJ

Subjects
Artificial Intelligence, Diagnosis, Computer-Assisted, Humans, Image Processing, Computer-Assisted methods, Pattern Recognition, Automated, Reproducibility of Results, Tomography Scanners, X-Ray Computed, Radiographic Image Interpretation, Computer-Assisted, Solitary Pulmonary Nodule diagnostic imaging, Tomography, X-Ray Computed
Abstract

Computer-aided methods are now being developed for the detection and characterization of pulmonary nodules found in CT images, based on techniques from computer vision, image processing, and pattern classification. With the increasing resolution of modern CT scanners, computer methods provide continually improving accuracy, reproducibility, and utility in analyzing the larger numbers of images acquired in a lung screening exam or diagnostic study. This article describes the fundamental tools and issues involved in computer-aided nodule detection and characterization, as we move from two-dimensional toward three-dimensional automated methods. In particular, we focus on the new domain of "small" pulmonary nodules.

Published
2000
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