8 results on '"Popa B"'
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2. Advanced concepts and solutions for geothermal heating applied in Oradea, Romania
- Author
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Antal, C, Popa, F, Mos, M, Tigan, D, Popa, B, and Muresan, V
- Abstract
Approximately 70% of the total population of Oradea benefits from centralized heating, about 55,000 apartments and 159,000 inhabitants are connected. The heating system of Oradea consists of: sources of thermal energy production (Combined heat and power (CHP) I Oradea and geothermal water heating plants); a transport network of heat; heat distribution network for heating and domestic hot water; substations, most of them equipped with worn and obsolete equipment. Recently, only a few heat exchangers were rehabilitated and electric valves were installed to control the water flow. After heat extraction, geothermal chilled waters from the Oradea area are: discharged into the sewer system of the city, paying a fee to the local water company which manages the city's sewers; discharged into the small river Peta; or re-injected into the reservoir. In order to ensure environmental protection and a sustainable energy development in Oradea, renewable sources of energy have been promoted in recent years. In this respect, the creation of a new well for geothermal water re-injection into the reservoir limits any accidental thermal pollution of the environment, while ensuring the conservation properties of the aquifer by recharging with geothermal chilled water. The paper presents the achievements of such a project whose aim is to replace thermal energy obtained from coal with geothermal heating. The novelty consists in the fact that within the substation we will replace old heat exchangers, circulation pumps and valves with fully automated substations operating in parallel on both a geothermal system and on a primary heating system of a thermal plant.
- Published
- 2017
3. Assessment of small hydropower potential for the Olanesti River using advanced software techniques
- Author
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Moldoveanu, A, Galie, A, Moldoveanu, M, Popa, F, Tica, E, and Popa, B
- Abstract
The assessment of small hydropower potential for rivers is essential for the Renewable Energy Sources Directive implementation, in order to identify and analyze opportunities for new small hydropower developments. As the Water Framework Directive requirement is the non-deterioration of the status of the river water bodies, the aspects regarding the consistency of a flow regime downstream hydropower plant and the environmental objectives are important. The paper presents a case study, the Olanesti River (Romania), using software techniques dedicated to the assessment of small hydropower potential. The hydropower potential of the river was assessed considering the heads based on the Digital Terrain Model and the mean flow. In addition, the environmental flow was considered for the installed capacity assessment, in order to cope with the Water Framework Directive requirements. The harnessed hydropower potential, the optimal distance between the water intake and power plant location, their optimum positions along the river sector, installed capacity and electricity production, calculated at an average lifetime, are the outcomes of the software. The applicability of the tool might be extended on a regional scale in order to support the decision making authorities, taking into account the increasing demand for energy as well as the environmental issues.
- Published
- 2017
4. Small hydropower plants standardization, between myth and reality
- Author
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Paraschivescu, A V, Ahmad, K, Popa, F, and Popa, B
- Abstract
Many providers for small hydropower plants equipment have tried to standardize the components and even the entire equipment. So called "compact turbines" were launched on the market, ensuring the pre-designed solution of the modular components, but usually with lower efficiency then turbines specially designed for a certain site. For civil works it is possible to standardize some components, such as the powerhouse, the surge tank or the headrace, but not the intake and the weir. Part of the hydropower plants can be standardized, but not the entire project, because there are a lot of variables that influence the design. Among these, the dimension, materials and design of the canal and the penstock are given by the hydrology, topography and the geology of the project's area. This paper presents an attempt at standardization by using different heads and different installed flows. The case study is made on the Lukosi River from Tanzania, because there is a good hydrological database on power and energy calculation. For the powerhouse, pressure tower and intake dimensioning, the assumptions and materials considered cover all challenges that could appear in the geological and topographical structure of the project's area (worst case, most expensive). The study has highlighted African climatologic and hydrological conditions and the adapting of current technology to these conditions.
- Published
- 2017
5. Poster session 3
- Author
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Winter, R, Lindqvist, P, Sheehan, F, Fazlinezhad, A, Vojdanparast, M, Nezafati, P, Martins Fernandes, S, Teixeira, R, Pellegrino, M, Generati, G, Bandera, F, Labate, V, Alfonzetti, E, Guazzi, M, Iriart, X, Dinet, ML, Jalal, Z, Cochet, H, Thambo, JB, Moustafa, S, Ho, TH, Shah, P, Murphy, K, Nelluri, BK, Lee, H, Wilansky, S, Mookadam, F, Stolfo, D, Tonet, E, Merlo, M, Barbati, G, Gigli, M, Pinamonti, B, Ramani, F, Zecchin, M, Sinagra, G, Bieseviciene, M, Vaskelyte, JJ, Mizariene, V, Lesauskaite, V, Verseckaite, R, Karaliute, R, Jonkaitiene, R, Patel, S, Li, L, Craft, M, Danford, D, Kutty, S, Vriz, O, Pellegrinet, M, Zito, C, Carerj, S, Di Bello, V, Cittadini, A, Bossone, E, Antonini-Canterin, F, Sarvari, S I, Rodriguez, M, Sitges, M, Sepulveda-Martinez, A, Gratacos, E, Bijnens, B, Crispi, F, Santos, M, Leite, L, Martins, R, Baptista, R, Barbosa, A, Ribeiro, N, Oliveira, A, Castro, G, Pego, M, Berezin, A, Samura, T, Kremzer, A, Stoebe, S, Tarr, A, Pfeiffer, D, Hagendorff, A, Benyounes Iglesias, N, Van Der Vynckt, C, Gout, O, Devys, JM, Cohen, A, De Chiara, B, Musca, F, D'angelo, L, Cipriani, MG, Parolini, M, Rossi, A, Santambrogio, GM, Russo, C, Giannattasio, C, Moreo, A, Soliman, A, Moharram, M, Gamal, A, Reda, A, Oni, O, Adebiyi, A, Aje, A, Ricci, F, Aquilani, R, Dipace, G, Bucciarelli, V, Bianco, F, Miniero, E, Scipioni, G, De Caterina, R, Gallina, S, Tumasyan, LR, Adamyan, KG, Chilingaryan, AL, Tunyan, LG, Kim, KH, Cho, JY, Yoon, HJ, Ahn, Y, Jeong, MH, Cho, JG, Park, JC, Popa, B A, Popa, A, Cerin, G, Ecocardiografico, Campagna Provinciale di Screening, Yiangou, K, Azina, CH, Yiangou, A, Georgiou, C, Zitti, M, Ioannides, M, Chimonides, S, Olsen, R H, Pedersen, LR, Snoer, M, Christensen, TE, Ghotbi, AA, Hasbak, P, Kjaer, A, Haugaard, SB, Prescott, E, Cacicedo, A, Velasco Del Castillo, S, Gomez Sanchez, V, Anton Ladislao, A, Onaindia Gandarias, J, Rodriguez Sanchez, I, Jimenez Melo, O, Garcia Cuenca, E, Zugazabeitia Irazabal, G, Romero Pereiro, A, Monti, L, Nardi, B, Di Giovine, G, Malanchini, G, Scardino, C, Balzarini, L, Presbitero, P, Gasparini, GL, Holte, E, Orlic, D, Tesic, M, Zamaklar-Trifunovic, D, Vujisic-Tesic, B, Borovic, M, Milasinovic, D, Zivkovic, M, Kostic, J, Belelsin, B, Ostojic, M, investigators, PATA STEMI, Trifunovic, D, Krljanac, G, Savic, L, Asanin, M, Aleksandric, S, Petrovic, M, Zlatic, N, Lasica, R, Mrdovic, I, Nucifora, G, Muser, D, Zanuttini, D, Tioni, C, Bernardi, G, Spedicato, L, Proclemer, A, Casalta, AC, Galli, E, Szymanski, C, Salaun, E, Lavoute, C, Haentjens, J, Tribouilloy, C, Mancini, J, Donal, E, Habib, G, Cavalcante, JL, Delgado-Montero, A, Dahou, A, Caballero, L, Rijal, S, Gorcsan, J, Monin, JL, Pibarot, P, Lancellotti, P, Keramida, K, Kouris, N, Kostopoulos, V, Giannaris, V, Trifou, E, Markos, L, Mihalopoulos, A, Mprempos, G, Olympios, CD, Calin, A, Mateescu, AD, Rosca, M, Beladan, CC, Enache, R, Gurzun, MM, Varga, P, Calin, C, Ginghina, C, Popescu, BA, Almeida Morais, L, Galrinho, A, Branco, L, Gomes, V, Timoteo, A T, Daniel, P, Rodrigues, I, Rosa, S, Fragata, J, Ferreira, R, Bandera, F, Generati, G, Pellegrino, M, Carbone, F, Labate, V, Alfonzetti, E, Guazzi, M, Galli, E, Leclercq, C, Samset, E, Donal, E, Kamal, H M, Oraby, MA, Eleraky, A Z, Yossuef, M A, Leite, L, Baptista, R, Teixeira, R, Ribeiro, N, Oliveira, AP, Barbosa, A, Castro, G, Martins, R, Elvas, L, Pego, M, Polte, CL, Gao, SA, Lagerstrand, KM, Johnsson, AA, Bech-Hanssen, O, Martinez Santos, P, Vilacosta, I, Batlle Lopez, E, Sanchez Sauce, B, Jimenez Valtierra, J, Espana Barrio, E, Campuzano Ruiz, R, De La Rosa Riestra, A, Alonso Bello, J, Perez Gonzalez, F, Jin, CN, Wan, S, Sun, JP, Lee, AP, Generati, G, Bandera, F, Pellegrino, M, Carbone, F, Labate, V, Alfonzetti, E, Guazzi, M, Reali, M, Cimino, S, Salatino, T, Silvetti, E, Mancone, M, Pennacchi, M, Giordano, A, Sardella, G, Agati, L, Kalcik, M, Yesin, M, Gunduz, S, Gursoy, MO, Astarcioglu, MA, Karakoyun, S, Bayam, E, Cersit, S, Ozkan, M, Cacicedo, A, Velasco Del Castillo, S, Gomez Sanchez, V, Anton Ladislao, A, Onaindia Gandarias, J, Rodriguez Sanchez, I, Jimenez Melo, O, Quintana Razcka, O, Romero Pereiro, A, Zugazabeitia Irazabal, G, Nascimento, H, Braga, M, Flores, L, Ribeiro, V, Melao, F, Dias, P, Maciel, MJ, Bettencourt, P, Ferreiro Quero, C, Mesa Rubio, M D, Ruiz Ortiz, M, Delgado Ortega, M, Sanchez Fernandez, J, Duran Jimenez, E, Morenate Navio, C, Romero, M, Pan, M, Suarez De Lezo, J, Kazum, S, Vaturi, M, Weisenberg, D, Monakier, D, Valdman, A, Vaknin- Assa, H, Assali, A, Kornowski, R, Sagie, A, Shapira, Y, Madeira, S, Ribeiras, R, Abecasis, J, Teles, R, Castro, M, Tralhao, A, Horta, E, Brito, J, Andrade, M, Mendes, M, Villagra, JM, Avegliano, G, Ronderos, R, Matta, MG, Camporrotondo, M, Castro, F, Albina, G, Aranda, A, Navia, D, Muraru, D, Siciliano, M, Migliore, F, Cavedon, S, Folino, F, Pedrizzetti, G, Bertaglia, M, Corrado, D, Iliceto, S, Badano, LP, Gobbo, M, Merlo, M, Stolfo, D, Losurdo, P, Ramani, F, Barbati, G, Pivetta, A, Pinamonti, B, Sinagra, GF, Di Lenarda, A, Generati, G, Bandera, F, Pellegrino, M, Labate, V, Carbone, F, Alfonzetti, E, Guazzi, M, D'andrea, A, Di Palma, E, Baldini, L, Verrengia, M, Vastarella, R, Limongelli, G, Bossone, E, Calabro', R, Russo, MG, Pacileo, G, Azevedo, O, Cruz, I, Correia, E, Bento, D, Teles, L, Lourenco, C, Faria, R, Domingues, K, Picarra, B, Marques, N, Group, SUNSHINE, Nucifora, G, Muser, D, Gianfagna, P, Morocutti, G, Proclemer, A, Cruz, I, Gomes, AC, Lopes, LR, Stuart, B, Caldeira, D, Morgado, G, Almeida, AR, Canedo, P, Bagulho, C, Pereira, H, Lozano Granero, VC, Pardo Sanz, A, Marco Del Castillo, A, Monteagudo Ruiz, JM, Rincon Diaz, LM, Ruiz Rejon, F, Casas, E, Hinojar, R, Fernandez-Golfin, C, Zamorano Gomez, JL, Stampfli, S F, Erhart, L, Staehli, BE, Kaufmann, BA, Tanner, FC, Marketou, M, Kontaraki, J, Parthenakis, F, Maragkoudakis, S, Zacharis, E, Patrianakos, A, Vardas, P, Bento, D, Domingues, K, Correia, E, Lopes, L, Teles, L, Picarra, B, Magalhaes, P, Faria, R, Lourenco, C, Azevedo, O, Group, SUNSHINE, Mohty, D, Boulogne, C, Magne, J, Damy, T, Martin, S, Boncoeur, MP, Aboyans, V, Jaccard, A, Hernandez Jimenez, V, Saavedra Falero, J, Alberca Vela, MT, Molina Blazquez, L, Mata Caballero, R, Serrano Rosado, JA, Elviro, R, Gascuena, R, Di Gioia, C, Fernandez Rozas, I, Manzano, MC, Martinez Sanchez, JI, Molina, M, Palma, J, Ingvarsson, A, Werther Evaldsson, A, Radegran, G, Stagmo, M, Waktare, J, Roijer, A, Meurling, CJ, Cameli, M, Righini, FM, Sparla, S, Di Tommaso, C, Focardi, M, D'ascenzi, F, Tacchini, D, Maccherini, M, Henein, M, Mondillo, S, Werther Evaldsson, A, Ingvarsson, A, Waktare, J, Thilen, U, Stagmo, M, Roijer, A, Radegran, G, Meurling, C, Greiner, S, Jud, A, Aurich, M, Katus, HA, Mereles, D, Michelsen, MM, Faber, R, Pena, A, Mygind, ND, Suhrs, HE, Zander, M, Prescott, E, El Eraky, AZZA, Handoka, NESRIN, Ghali, MONA, Eldahshan, NAHED, Ibrahim, AHMED, Kamal, H M, Al-Eraky, A Z, El Attar, M A, Omar, A S, D'ascenzi, F, Pelliccia, A, Alvino, F, Solari, M, Cameli, M, Focardi, M, Bonifazi, M, Mondillo, S, Spinelli, L, Giudice, C A, Assante Di Panzillo, E, Castaldo, D, Riccio, E, Pisani, A, Trimarco, B, Stojanovic, S, Deljanin Ilic, M, Ilic, S, Mincu, RI, Magda, LS, Florescu, M, Velcea, A, Mihalcea, D, Chiru, A, Popescu, BO, Tiu, C, Vinereanu, D, Vindis, D, Hutyra, M, Cechakova, E, Littnerova, S, Taborsky, M, Mantovani, F, Lugli, R, Bursi, F, Fabbri, M, Modena, MG, Stefanelli, G, Mussini, C, Barbieri, A, Yi, JE, Youn, HJ, O, JH, Yoon, HJ, Jung, HO, Shin, GJ, Styczynski, G, Rdzanek, A, Pietrasik, A, Kochman, J, Huczek, Z, Milewska, A, Marczewska, M, Szmigielski, C A, Battah, AHMED, Abd Eldayem, SOHA, El Magd El Bohy, ABO, O'driscoll, J, Slee, A, Peresso, V, Nazir, S, Sharma, R, Generati, G, Bandera, F, Pellegrino, M, Labate, V, Carbone, F, Alfonzetti, E, Guazzi, M, Velasco Del Castillo, S, Anton Ladislao, A, Gomez Sanchez, V, Cacidedo Fernandez Bobadilla, A, Onaindia Gandarias, JJ, Rodriguez Sanchez, I, Romero Pereira, A, Quintana Rackza, O, Jimenez Melo, O, Zugazabeitia Irazabal, G, Voilliot, D, Huttin, O, Venner, C, Deballon, R, Manenti, V, Villemin, T, Olivier, A, Sadoul, N, Juilliere, Y, Selton-Suty, C, Scali, MC, Simioniuc, A, Mandoli, GE, Dini, FL, Marzilli, M, Picano, E, Garcia Campos, A, Martin-Fernandez, M, De La Hera Galarza, JM, Corros-Vicente, C, Leon-Aguero, V, Velasco-Alonso, E, Colunga-Blanco, S, Fidalgo-Arguelles, A, Rozado-Castano, J, Moris De La Tassa, C, Opitz, B, Stelzmueller, ME, Wisser, W, Reichenfelser, W, Mohl, W, Herold, IHF, Saporito, S, Mischi, M, Bouwman, RA, Van Assen, HC, Van Den Bosch, HCM, De Lepper, A, Korsten, HHM, Houthuizen, P, Veiga, CESAR, I, JAVIER. Randulfe Juanjo Andina Jose Fanina Francisco Calvo Emilio Paredes-Galan Pablo Pazos Andres, Ageing, Diseases, Cardiovascular, Santos Furtado, M, Rodrigues, A, Leal, G, Silvestre, O, Andrade, J, Khan, UM, Hjertaas, JJ, Greve, G, Matre, K, Leite, L, Teixeira, R, Baptista, R, Barbosa, A, Ribeiro, N, Castro, G, Martins, R, Cardim, N, Goncalves, L, Pego, M, Leite, L, Teixeira, R, Baptista, R, Barbosa, A, Ribeiro, N, Castro, G, Martins, R, Cardim, N, Goncalves, L, Pego, M, Leite, L, Teixeira, R, Baptista, R, Barbosa, A, Oliveira, AP, Castro, G, Martins, R, Cardim, N, Goncalves, L, Pego, M, Keramida, K, Kouris, N, Kostopoulos, V, Markos, L, Olympios, CD, Molnar, AA, Kovacs, A, Tarnoki, AD, Tarnoki, DL, Kolossvary, M, Apor, A, Maurovich-Horvat, P, Jermendy, G, Sengupta, P, Merkely, B, Rio, P, Viveiros Monteiro, A, Galrinho, A, Pereira-Da-Silva, T, Moura Branco, L, Timoteo, A, Abreu, J, Leal, A, Varela, F, Cruz Ferreira, R, Huang, MS, Yang, LT, Tsai, WC, Papadopoulos, C, Mpaltoumas, K, Fotoglidis, A, Triantafyllou, K, Pagourelias, E, Kassimatis, E, Tzikas, S, Kotsiouros, G, Mantzogeorgou, E, Vassilikos, V, Venneri, L, Calicchio, F, Manivarmane, R, Pareek, N, Baksi, J, Rosen, S, Senior, R, Lyon, AR, Khattar, RS, Onut, R, Marinescu, C, Onciul, S, Zamfir, D, Tautu, O, Dorobantu, M, Casas Rojo, E, Carbonell San Roman, A, Rincon Diez, LM, Gonzalez Gomez, A, Fernandez Santos, S, Lazaro Rivera, C, Moreno Vinues, C, Sanmartin Fernandez, M, Fernandez-Golfin, C, Zamorano Gomez, JL, Bayat, F, Alirezaei, T, Karimi, AS, hospital, cardiovascular research center of shahid beheshti, Aggeli, C, Kakiouzi, V, Felekos, I, Panagopoulou, V, Latsios, G, Karabela, M, Petras, D, Tousoulis, D, Ben Kahla, S, Abid, L, Abid, D, Kammoun, S, Abid, L, Ben Kahla, S, Choi, JH, Lee, JW, Barreiro Perez, M, Martin Fernandez, M, Costilla Garcia, SM, Diaz Pelaez, E, and Moris De La Tassa, C
- Abstract
Purpose: We developed a transthoracic echo simulator that can measure psychomotor skill in echo to assist in training as well as for certification of competence. The simulator displays cine loops on a computer in response to the user scanning a mannequin with a mock transducer. The skill metric is the deviation angle between the image acquired by the user and the anatomically correct plane for the specified view. We sought to determine whether the simulator-based test could distinguish levels of expertise. Methods: Attendees at an echo course or at the annual meeting of the Swedish Heart Association were invited to take a 15 min test on the simulator. On the test, the user scanned the mannequin and acquired 4 views: parasternal long axis (pLAX) in patient 1, apical 4 chamber (a4c) and aLAX in patient 2, and pLAX in patient 3. Scan time was limited to 15 min. Attendees were asked regarding current work status, position, and experience with echo assessed from duration in years and procedure volume in the past 12 months. Results: Of the 61 participants there were 22 sonographers, 2 nurses, and 37 doctors who were all in practice except 1 doctor who was a resident. The data of nurses was combined with that of sonographers because their procedure volume was nearer to that of sonographers (850 ± 599 tests/yr) than doctors (312 ± 393, p < 0.001). Doctors and non-doctors had similar duration of experience (9 ± 8 vs. 12 ± 11 yrs, p=NS). The test was not completed by 12 participants (18%) but unfamiliarity with the simulator may have contributed because the deviation angle for pLAX dropped between the first and third patients (23 ± 11 to 18 ± 10 degrees, p<0.020). The average deviation angle over the 4 views was slightly lower for sonographers than for doctors (26 ± 11 vs. 30 ± 14 degrees, p=NS). The deviation angle for pLAX (55 ± 37 degrees) was higher than for a4C (17 ± 22 degrees) or either pLAX view (p<0.00001). pLAX was the only view whose deviation angle correlated significantly with experience and only with procedure volume (r=-0.302, p=0.025). Conclusions: The results of this study demonstrate that the skill metric employed, angle of deviation between the plane of an acquired view and the plane of the anatomically correct image for that view, can distinguish the relative experience of sonographers and doctors in practice. Simulation-based testing provides objective and quantitative assessment of the psychomotor skill of image acquisition and may be of value in certification of trainees and in maintenance of certification examination of practicing sonographers and doctors.
- Published
- 2015
- Full Text
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6. Poster session 6: Saturday 6 December 2014, 08:30-12:30 * Location: Poster area
- Author
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Goirigolzarri Artaza, J, Gallego Delgado, M, Jaimes Castellanos, CP, Cavero Gibanel, MA, Pastrana Ledesma, MA, Alonso Pulpon, LA, Gonzalez Mirelis, J, Al Ansi, R Z, Sokolovic, S, Cerin, G, Szychta, W, Popa, B A, Botezatu, D, Benea, D, Manganiello, S, Corlan, A, Jabour, A, Igual Munoz, B, Osaca Asensi, JOA, Andres La Huerta, AALH, Maceira Gonzalez, AMG, Estornell Erill, JEE, Cano Perez, OCP, Sancho-Tello, MJSTDC, Alonso Fernandez, PAF, Sepulveda Sanchez, PSS, Montero Argudo, AMA, Palombo, C, Morizzo, C, Baluci, M, Kozakova, M, Panajotu, A, Karady, J, Szeplaki, G, Horvath, T, Tarnoki, DL, Jermendy, AL, Geller, L, Merkely, B, Maurovich-Horvat, P, Group, MTA-SE "Lendület" Cardiovascular Imaging Research, Moustafa, S, Mookadam, F, Youssef, M, Zuhairy, H, Connelly, M, Prieur, T, Alvarez, N, Ashikhmin, Y, Drapkina, O, Boutsikou, M, Demerouti, E, Leontiadis, E, Petrou, E, Karatasakis, G, Kozakova, M, Morizzo, C, Bianchi, V, Marchi, B, Federico, G, Palombo, C, Chatzistamatiou, E, Moustakas, G, Memo, G, Konstantinidis, D, Mpampatzeva Vagena, I, Manakos, K, Traxanas, K, Vergi, N, Feretou, A, Kallikazaros, I, Goto, M, Uejima, T, Itatani, K, Pedrizzetti, G, Mada, RO, Daraban, AM, Duchenne, J, Voigt, JU, Chiu, D Y Y, Green, D, Johnstone, L, Sinha, S, Kalra, PA, Abidin, N, Group, Salford Vascular Research, Sikora-Frac, M, Zaborska, B, Maciejewski, P, Bednarz, B, Budaj, A, Nemes, A, Sasi, V, Gavaller, H, Kalapos, A, Domsik, P, Katona, A, Szucsborus, T, Ungi, T, Forster, T, Ungi, I, Pluchinotta, FR, Arcidiacono, C, Saracino, A, Carminati, M, Bussadori, C, Dahlslett, T, Karlsen, S, Grenne, B, Sjoli, B, Bendz, B, Skulstad, H, Smiseth, OA, Edvardsen, T, Brunvand, H, Vereckei, A, Szelenyi, ZS, Szenasi, G, Santoro, C, Galderisi, M, Niglio, T, Santoro, M, Stabile, E, Rapacciuolo, A, Spinelli, L, De Simone, G, Esposito, G, Trimarco, B, Hubert, S, Jacquier, A, Fromonot, J, Resseguier, C, Tessier, A, Guieu, R, Renard, S, Haentjiens, J, Lavoute, C, Habib, G, Menting, M E, Koopman, LP, Mcghie, JS, Rebel, B, Gnanam, D, Helbing, WA, Van Den Bosch, AE, Roos-Hesselink, JW, Shiino, K, Yamada, A, Sugimoto, K, Takada, K, Takakuwa, Y, Miyagi, M, Iwase, M, Ozaki, Y, Placido, R, Ramalho, A, Nobre E Menezes, M, Cortez-Dias, N, Goncalves, S, Guimaraes, T, Robalo Martins, S, Francisco, AR, Almeida, AG, Nunes Diogo, A, Hayashi, T, Itatani, K, Inuzuka, R, Shindo, T, Hirata, Y, Shimizu, N, Miyaji, K, Henri, C, Dulgheru, R, Magne, J, Kou, S, Davin, L, Nchimi, A, Oury, C, Pierard, L, Lancellotti, P, Kovalyova, O, Honchar, O, Tengku, WINDA, Ketaren, ANDRE, Mingo Santos, S, Monivas Palomero, V, Restrepo Cordoba, A, Rodriguez Gonzalez, E, Goirigolzarri Artaza, J, Sayago Silva, I, Garcia Lunar, I, Mitroi, C, Cavero Gibanel, M, Segovia Cubero, J, Ryu, SK, Park, JY, Kim, SH, Choi, JW, Goh, CW, Byun, YS, Choi, JH, Westholm, C, Johnson, J, Jernberg, T, Winter, R, Rio, P, Moura Branco, L, Galrinho, A, Pinto Teixeira, P, Viveiros Monteiro, A, Portugal, G, Pereira-Da-Silva, T, Afonso Nogueira, M, Abreu, 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Stefanadis, C, Cokkinos, DV, Pradel, S, Mohty, D, Magne, J, Darodes, N, Lavergne, D, Damy, T, Beaufort, C, Aboyans, V, Jaccard, A, Mzoughi, K, Zairi, I, Jabeur, M, Ben Moussa, F, Ben Chaabene, A, Kamoun, S, Mrabet, K, Fennira, S, Zargouni, A, Kraiem, S, Jovanova, S, Arnaudova-Dezjulovic, F, Correia, C E, Cruz, I, Marques, N, Fernandes, M, Bento, D, Moreira, D, Lopes, L, Azevedo, O, GROUP, SUNSHINE, Keramida, K, Kouris, N, Kostopoulos, V, Psarrou, G, Giannaris, V, Olympios, CD, Marketou, M, Parthenakis, F, Kalyva, N, Pontikoglou, CH, Maragkoudakis, S, Zacharis, E, Patrianakos, A, Roufas, K, Papadaki, H, Vardas, P, Dominguez Rodriguez, F, Monivas Palomero, V, Mingo Santos, S, Arribas Rivero, B, Cuenca Parra, S, Zegri Reiriz, I, Vazquez Lopez-Ibor, J, Garcia-Pavia, P, Szulik, M, Streb, W, Wozniak, A, Lenarczyk, R, Sliwinska, A, Kalarus, Z, Kukulski, T, Nemes, A, Domsik, P, Kalapos, A, Forster, T, Serra, W, Lumetti, FL, Mozzani, FM, Del Sante, GDS, Ariani, AA, Corros, C, Colunga, S, 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JY, Joung, B, Uhm, JS, Pak, HN, Lee, MH, Lee, KY, Ragab, AM, Abdelwahab, AMIR, Yazeed, YASER, El Naggar, WAEL, Spahiu, K, Spahiu, E, Doko, A, Liesting, C, Brugts, JJ, Kofflard, MJM, Kitzen, JJEM, Boersma, E, Levin, M-D, Coppola, C, Piscopo, G, Rea, D, Maurea, C, Caronna, A, Capasso, I, Maurea, N, Azevedo, O, Tadeu, I, Lourenco, M, Portugues, J, Pereira, V, Lourenco, A, Nesukay, E, Kovalenko, V, Cherniuk, S, Danylenko, O, Muhammedov, MB, Ahmedova, DM, Hojakuliyev, BG, Atayeva, D, Nemes, A, Domsik, P, Kalapos, A, Lengyel, C, Varkonyi, TT, Orosz, A, Forster, T, Castro, M, Abecasis, J, Dores, H, Madeira, S, Horta, E, Ribeiras, R, Canada, M, Andrade, MJ, Mendes, M, Morosin, M, Piazza, R, Leonelli, V, Leiballi, E, Pecoraro, R, Cinello, M, Dell' Angela, L, Cassin, M, Sinagra, G, Nicolosi, GL, Wierzbowska-Drabik, K, Hamala, P, Kasprzak, JD, O'driscoll, J, Rossato, C, Gargallo-Fernandez, P, Araco, M, Sharma, S, Sharma, R, Jakus, N, Baricevic, Z, Ljubas Macek, J, Skoric, B, Skorak, I, Velagic, 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Figueiredo, L, and Cruz Ferreira, R
- Abstract
Introduction: The increase of left auricular volume (LAV) is a robust cardiovascular event predictor. Despite that echochardiography is more often used, cardiac MRI is considered more accurate. Our objetives are to validate "fast" LAV measures by MRI vs the considered gold standard (GS) and to compare Echo and MRI in a wide spectrum of patients. Methods: In a non-selected popullation with MRI study previously realized, we measured LAV by biplane method (BPMR) and by area-length in 4 chamber view (ALMR) and compared them with biplane (BPe) and discs method (MDDe) in 4 chamber view in echo. To validate MRI measurements, we measured LAV in short axis slices (Simpson Method, SM) in a group of patients and considered it the GS. Results: 186 patients were included (mean age 51 ± 17 age; 123 male; 14 in AF) with clinical indication of cardiac MRI (Philips 1,5 T). In 24 patients SM was calculated. 29% of cardiac MRI were considered normal. Mean underlying pathologies were myocardiopathy (27%), Ischemic myocardiopathy (17%), myopericarditis (10%), prior to AF ablation (4%), valvular disease (6%) and miscellaneous (7%). Excellent correlation was obtained between "fast" MRI measurements and SM in MRI (SM vs BPMR interclass correlation coefficient ICC=0.965 and SM vs ALMR, ICC=0.958; P<0.05) with low interobserver variability (ICC=0.983 for SM; ICC=0.949 for BPMR; ICC=0.931 for ALMR). "Fast" measurements by MRI showed stadistical correlation between them (CCI=0.910) (Figure). Correlation between Echo and MRI measures was only moderate. (BPRM vs BPe CCI=0,469 mean difference -30 ml; ALMR vs MDDe ICC=0,456 mean difference -24 mL). Conclusions: ‘fast’ LAV measures by MRI are comparable with the MRI GS and also between them. Echo values seem to underestimate compared to MRI, so its use may not be suitable.
- Published
- 2014
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7. Poster session Thursday 12 December - AM: 12/12/2013, 08:30-12:30 * Location: Poster area
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Ciurzynski, M, Palczewski, P, Pruszczyk, P, Gheorghe, LL, Castillo Ortiz, J, Del Pozo Contreras, R, Calle Perez, G, Sancho Jaldon, M, Cabeza Lainez, P, Vazquez Garcia, R, Fernandez Garcia, P, Chueca Gonzalez, E, Arana Granados, R, Zhao, XX, Xu, XD, Bai, Y, Qin, YW, Leren, IS, Hasselberg, NE, Saberniak, J, Leren, TP, Edvardsen, T, Haugaa, KH, Daraban, A M, Sutherland, GR, Claus, P, Werner, B, Gewillig, M, Voigt, JU, Santoro, A, Ierano, P, De Stefano, F, Esposito, R, De Palma, D, Ippolito, R, Tufano, A, Galderisi, M, Costa, R, Fischer, C, Rodrigues, A, Monaco, C, Lira Filho, E, Vieira, M, Cordovil, A, Oliveira, E, Mohry, S, Gaudron, P, Niemann, M, Herrmann, S, Strotmann, J, Beer, M, Hu, K, Bijnens, B, Ertl, G, Weidemann, F, Baktir, AO, Sarli, B, Cicek, M, Karakas, MS, Saglam, H, Arinc, H, Akil, MA, Kaya, H, Ertas, F, Bilik, MZ, Yildiz, A, Oylumlu, M, Acet, H, Aydin, M, Yuksel, M, Alan, S, Odriscoll, J, Gravina, A, Di Fino, S, Thompson, M, Karthigelasingham, A, Ray, K, Sharma, R, De 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Munoz, DA, Moya Mur, JL, Becker Filho, D, Gonzalez, A, Casas Rojo, E, Garcia Martin, A, Recio Vazquez, M, Rincon, LM, Fernandez Golfin, C, Zamorano Gomez, JL, Ledakowicz-Polak, A, Polak, L, Zielinska, M, Kamiyama, T, Nakade, T, Nakamura, Y, Ando, T, Kirimura, M, Inoue, Y, Sasaki, O, Nishioka, T, Farouk, H, Sakr, B, Elchilali, K, Said, K, Sorour, K, Salah, H, Mahmoud, G, Casanova Rodriguez, C, Cano Carrizal, R, Iglesias Del Valle, D, Martin Penato Molina, A, Garcia Garcia, A, Prieto Moriche, E, Alvarez Rubio, J, De Juan Bagua, J, Tejero Romero, C, Plaza Perez, I, Korlou, P, Stefanidis, A, Mpikakis, N, Ikonomidis, I, Anastasiadis, S, Komninos, K, Nikoloudi, P, Margos, P, and Pentzeridis, P
- Abstract
Purpose: Atrial fibrillation (AF) is the most prevalent sustained arrhythmia. It is a disease of the elderly and it is common in patients (pts) with structural heart disease. Hypertension (HA), hypertensive heart disease (HHD), diabetes mellitus (DM), coronary artery disease (CAD), heart failure (HF), and valvular heart disease (VHD) are recognized predisposing factors to AF. Objectives: To echocardiographicly disclose the most common predisposing morbidities to AF in our population sample. Methods: From June 2000 to February 2013, 3755 consecutive pts with AF were studied during echocardiographic check-up. According to transthoracic echo, pts were divided in groups based on dominative underlying heart diseases. Electrocardiographically documented AF was subdivided in two groups: transitory and chronic. Transitory AF fulfilled criteria for paroxysmal or persistent AF. Chronic AF were cases of long-standing persistent or permanent AF. Results: The median age was 72 years, age range between 16 and 96 years. There were 51.4% of females. Chronic AF was observed in 68.3% pts. Distribution of underlying heart diseases is shown in figure. Lone AF was diagnosed in only 25 pts, mostly in younger males (median age 48 years, range 29–59, men 80%). Chronic AF was predominant in groups with advanced cardiac remodeling such as dilatative cardiomyopaty (DCM) and VHD, mostly in elderly. HA and DM were found in 75.4% and 18.8%, respectively. Almost 1/2 of pts with AF had HF and 59.2% had diastolic HF. Conclusion: Up to now, echocardiographic categorization of the predisposing factors to AF was not reported. Echocardiographic evaluation of patients with AF could facilitate in identification and well-timed treatment of predisposing comorbidites.
Figure Etiological distribution of AF - Published
- 2013
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8. Poster session Friday 13 December - AM: 13/12/2013, 08:30-12:30 * Location: Poster area
- Author
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Gertsen, M, Nemes, A, Szolnoky, G, Altmayer, A, Gavaller, H, Kemeny, L, Forster, T, Park, J R, Jo, SY, Kim, KH, Kho, JS, Kwack, CH, Hwang, JY, Popovic, D, Ostojic, MC, Petrovic, M, Vujisic-Tesic, B, Arandjelovic, A, Banovic, M, Vukcevic, V, Petrovic, I, Popovic, B, Damjanovic, S, Placido, R, Marta, L, Ramalho, AR, Nobre Menezes, M, Cortez-Dias, N, Martins, S, Goncalves, S, Almeida, AG, Silva-Marques, J, Nunes-Diogo, A, Germanakis, I, Kakouri, P, Karachaliou, M, Vassilaki, M, Chatzi, L, Roumeliotaki, T, Kogevinas, M, Horst, J-P, Kelter-Kloepping, A, Koerperich, H, Barth, P, Haas, NA, Kececioglu, D, Laser, KT, Laser, KT, Horst, J-P, Kelter-Kloepping, A, Barth, P, Haas, NA, Kececioglu, D, Koerperich, H, Samiei, N, Nabati, M, Azari-Jafari, M, Vakili-Zarch, A, Parsaee, M, Haghjoo, M, Ahmed, A J, Val-Mejias, J E, Von Bulow, F M, Baltussen, E J M, Darban, AM, Claus, P, Voigt, JU, Rodriguez Munoz, DA, Moya Mur, JL, Gonzalez, A, Garcia Martin, A, Becker Filho, D, Fernandez Santos, S, Lazaro 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Yang, F, Huang, D, Gu, P, Luo, Y, Lv, Z, Siu, CW, Tse, HF, Yiu, KH, Saura Espin, D, Lopez Cuenca, A, Espinosa Garcia, MD, Oliva Sandoval, MJ, Lopez Ruiz, M, Gonzalez Carrillo, J, Garcia Navarro, MJ, Valdes Chavarri, M, De La Morena Valenzuela, G, Gustafsson, U, Spuhler, JH, Hoffman, J, Brodin, LÅ, Kisko, A, Dernarova, L, Hudakova, A, Santova, T, Jakubikova, M, Mikulak, M, Horlenko, O, Kishko, N, Svystak, V, Shyp, A, Faden, G, Gaibazzi, N, Rigo, F, Mureddu, GF, Moreo, A, Bussadori, G, Facchetti, R, Cesana, F, Giannattasio, C, Faggiano, P, and group, APRES collaborative
- Abstract
Pulmonary vascular dysfunction is claimed to be a contributor to the development of pulmonary hypertension (PH). Impaired systemic vascular reactivity is one of the essential factors in the pathogenesis of cardiovascular disease. The aim of the investigation was to study whether there is any association between systemic vascular function and pulmonary artery pressure (PAP) in patients who have associated causes for PH development, such as coronary heart disease (CHD) and chronic obstructive pulmonary disease (COPD). Methods: The brachial artery vasodilator responses were measured by the ultrasound technique in twenty patients with mild to moderate COPD (group I) and twenty age–matched and COPD stage-matched patients who had past history of myocardial infarction (NYHA II) (group II).Conventional echocardiographic variables were measured in the said patients too. Results: Both flow-mediated dilatation (FMD) and nitrate-mediated dilatation (NMD) were significantly lower, and PAP was significantly higher in the group II patients compared to the same parameters of group I patients. NMD was inversely correlated with PAP (r=-0.7, p=0.02) in group I patients. There was no interrelation between FMD and PAP in patients from group I. Neither FMD nor NMD were correlated with PAP in group II patients. A significant positive correlation between PAP and left ventricular mass index (r=0.8, p=0.003) was revealed in the said patients as well. Conclusions: Attenuated vasodilator response of brachial artery to nitroglycerine is associated with PAP elevation in COPD patients. PH is closely related to cardiac remodeling in COPD patients in whom CHD developed. These data suggest different "stages" of vascular and cardiac remodeling in patients with COPD alone and in coexistence with CHD. The obtained data can be useful in the selection of treatment as regards these patient categories.
- Published
- 2013
- Full Text
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