5 results on '"George D, Athanassopoulos"'
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2. Contents Vol. 135, 2016
- Author
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Qing-Kui Guo, Yasutoshi Kido, Hiroyuki Morita, Ke-Qiang Tang, Zhenghua Xiao, Yanzhen Cheng, Meng Yuan, Rijing Liu, Xinghua Wang, Tong Liu, Akimasa Hayashi, Atsushi Tanaka, Issei Komuro, Stylianos Tzeis, Zhiqiang Zhao, Druckerei Stückle, Yan Chen, Jun Gu, Junji Shibahara, Jun-Jia Tao, Wei Meng, Guangping Li, Shu-Liang Nan, Chaoyi Qin, Jia Hu, Masao Takahashi, Ruiqi Liu, Zhi Yong Shen, Kun Zhang, Hong Qian, Peng Liu, Yan Zhang, Ai-Hong Wan, Fei Xu, Yao Wang, Hiroshi Akazawa, Nobuaki Fukuma, Yan-Duan Lin, Takayuki Kawata, Li Su, Masao Daimon, George D. Athanassopoulos, Bin Hu, Konstantinos Iliodromitis, Satz Mengensatzproduktion, Qian He, Sokratis Pastromas, Yuan Zhang, Jian Li, Yingfeng Liu, George Andrikopoulos, Xiaoming Tang, Yajiao Li, and Shao-Ling Yang
- Subjects
Traditional medicine ,business.industry ,Medicine ,Pharmacology (medical) ,Cardiology and Cardiovascular Medicine ,business - Published
- 2016
3. Echocardiographic reference ranges for normal left atrial function parameters results from the EACVI NORRE study
- Author
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Tadafumi, Sugimoto, Sébastien, Robinet, Raluca, Dulgheru, Anne, Bernard, Federica, Ilardi, Laura, Contu, Karima, Addetia, Luis, Caballero, George, Kacharava, George D, Athanassopoulos, Daniele, Barone, Monica, Baroni, Nuno, Cardim, Andreas, Hagendorff, Krasimira, Hristova, Teresa, Lopez, Gonzalo, de la Morena, Bogdan A, Popescu, Martin, Penicka, Tolga, Ozyigit, Jose David, Rodrigo Carbonero, Nico, van de Veire, Ralph Stephan, Von Bardeleben, Dragos, Vinereanu, Jose Luis, Zamorano, Yun Yun, Go, Stella, Marchetta, Alain, Nchimi, Monica, Rosca, Andreea, Calin, Marie, Moonen, Sara, Cimino, Julien, Magne, Bernard, Cosyns, Elena, Galli, Erwan, Donal, Gilbert, Habib, Roberta, Esposito, Maurizio, Galderisi, Luigi P, Badano, Roberto M, Lang, Patrizio, Lancellotti, Centre Hospitalier Universitaire de Liège (CHU-Liège), CHU Trousseau [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Hospital Univeristario Virgen de la Arrixaca, Onassis Cardiac Surgery Center [Athens] (OCSC), Universität Leipzig [Leipzig], Universidad de Alcalá - University of Alcalá (UAH), Service de Chirurgie Thoracique et Vasculaire - Médecine vasculaire [CHU Limoges], CHU Limoges, Neuroépidémiologie Tropicale (NET), Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM)-CHU Limoges-Institut d'Epidémiologie Neurologique et de Neurologie Tropicale-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Investigation Clinique [Rennes] (CIC), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Hôpital Pontchaillou-Institut National de la Santé et de la Recherche Médicale (INSERM), CIC-IT Rennes, Hôpital Pontchaillou-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratoire Traitement du Signal et de l'Image (LTSI), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National de la Santé et de la Recherche Médicale (INSERM), Hôpital de la Timone [CHU - APHM] (TIMONE), Microbes évolution phylogénie et infections (MEPHI), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Hospital Clínico Universitario Virgen de la Arrixaca = University Hospital Virgen de la Arrixaca [Murcia], Universität Leipzig, CHU Limoges-Institut d'Epidémiologie Neurologique et de Neurologie Tropicale-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM), Université de Rennes (UR)-Hôpital Pontchaillou-Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Rennes (UR)-Institut National de la Santé et de la Recherche Médicale (INSERM), Clinical sciences, Cardio-vascular diseases, Cardiology, Sugimoto, T, Robinet, S, Dulgheru, R, Bernard, A, Ilardi, F, Contu, L, Addetia, K, Caballero, L, Kacharava, G, Athanassopoulos, G, Barone, D, Baroni, M, Cardim, N, Hagendorff, A, Hristova, K, Lopez, T, De La Morena, G, Popescu, B, Penicka, M, Ozyigit, T, Rodrigo Carbonero, J, Van De Veire, N, Von Bardeleben, R, Vinereanu, D, Zamorano, J, Go, Y, Marchetta, S, Nchimi, A, Rosca, M, Calin, A, Moonen, M, Cimino, S, Magne, J, Cosyns, B, Galli, E, Donal, E, Habib, G, Esposito, R, Galderisi, M, Badano, L, Lang, R, Lancellotti, P, Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU), Sugimoto, Tadafumi, Robinet, Sébastien, Dulgheru, Raluca, Bernard, Anne, Ilardi, Federica, Contu, Laura, Addetia, Karima, Caballero, Lui, Kacharava, George, Athanassopoulos, George D, Barone, Daniele, Baroni, Monica, Cardim, Nuno, Hagendorff, Andrea, Hristova, Krasimira, Lopez, Teresa, de la Morena, Gonzalo, Popescu, Bogdan A, Penicka, Martin, Ozyigit, Tolga, Rodrigo Carbonero, Jose David, van de Veire, Nico, Von Bardeleben, Ralph Stephan, Vinereanu, Drago, Zamorano, Jose Lui, Go, Yun Yun, Marchetta, Stella, Nchimi, Alain, Rosca, Monica, Calin, Andreea, Moonen, Marie, Cimino, Sara, Magne, Julien, Cosyns, Bernard, Galli, Elena, Donal, Erwan, Habib, Gilbert, Esposito, Roberta, Galderisi, Maurizio, Badano, Luigi P, Lang, Roberto M, and Lancellotti, Patrizio
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Male ,deformation imaging ,Pump function ,Echocardiography, Three-Dimensional ,Sex Factor ,030204 cardiovascular system & hematology ,Cohort Studies ,0302 clinical medicine ,Left atrial ,Reference Values ,Healthy volunteers ,Image Processing, Computer-Assisted ,Age Factor ,adult echocardiography ,left atrial function ,reference values ,030212 general & internal medicine ,Multivariate Analysi ,Observer Variation ,Healthy subjects ,Age Factors ,General Medicine ,Middle Aged ,Reference Standards ,Healthy Volunteer ,Healthy Volunteers ,Homogeneous ,Radiology Nuclear Medicine and imaging ,Echocardiography ,Cardiology ,Linear Model ,Atrial Function, Left ,Female ,[SDV.IB]Life Sciences [q-bio]/Bioengineering ,Cardiology and Cardiovascular Medicine ,Human ,Adult ,medicine.medical_specialty ,Statistics, Nonparametric ,03 medical and health sciences ,Sex Factors ,Internal medicine ,medicine ,Humans ,Radiology, Nuclear Medicine and imaging ,Heart Atria ,Left atrial function ,business.industry ,reference value ,MED/11 - MALATTIE DELL'APPARATO CARDIOVASCOLARE ,Reference values ,Multivariate Analysis ,Linear Models ,Reference Standard ,Parameter ,Cohort Studie ,Large group ,business - Abstract
International audience; Aims - To obtain the normal ranges for echocardiographic measurements of left atrial (LA) function from a large group of healthy volunteers accounting for age and gender. Methods and results - A total of 371 (median age 45 years) healthy subjects were enrolled at 22 collaborating institutions collaborating in the Normal Reference Ranges for Echocardiography (NORRE) study of the European Association of Cardiovascular Imaging (EACVI). Left atrial data sets were analysed with a vendor-independent software (VIS) package allowing homogeneous measurements irrespective of the echocardiographic equipment used to acquire data sets. The lowest expected values of LA function were 26.1%, 48.7%, and 41.4% for left atrial strain (LAS), 2D left atrial emptying fraction (LAEF), and 3D LAEF (reservoir function); 7.7%, 24.2%, and -0.53/s for LAS-active, LAEF-active, and LA strain rate during LA contraction (SRa) (pump function) and 12.0% and 21.6% for LAS-passive and LAEF-passive (conduit function). Left atrial reservoir and conduit function were decreased with age while pump function was increased. All indices of reservoir function and all LA strains had no difference in both gender and vendor. However, inter-vendor differences were observed in LA SRa despite the use of VIS. Conclusion - The NORRE study provides contemporary, applicable echocardiographic reference ranges for LA function. Our data highlight the importance of age-specific reference values for LA functions.
- Published
- 2018
4. 3D Printing for Left Atrial Appendage (LAA) Modeling Based on Transesophageal Echocardiography: A Step Forward in Closure with LAA Devices
- Author
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George D. Athanassopoulos
- Subjects
Appendage ,medicine.medical_specialty ,business.industry ,Closure (topology) ,Atrial Appendage ,Echocardiography, Three-Dimensional ,030204 cardiovascular system & hematology ,03 medical and health sciences ,0302 clinical medicine ,Left atrial ,Internal medicine ,Printing, Three-Dimensional ,Cardiology ,Medicine ,Pharmacology (medical) ,030212 general & internal medicine ,Precision Medicine ,Cardiology and Cardiovascular Medicine ,business ,Echocardiography, Transesophageal - Published
- 2016
5. Cardiac resynchronization therapy decreases the mitral coaptation point displacement in heart failure patients
- Author
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Stefanos E, Karagiannis, Themistoklis, Maounis, George D, Athanassopoulos, George T, Karatasakis, George H, Hatzigeorgiou, Konstantinos, Papadopoulos, Evaggelos, Leontiadis, and Dennis V, Cokkinos
- Subjects
Adult ,Aged, 80 and over ,Heart Failure ,Male ,Observer Variation ,Pacemaker, Artificial ,Cardiac Pacing, Artificial ,Mitral Valve Insufficiency ,Stroke Volume ,Middle Aged ,Myocardial Contraction ,Ventricular Dysfunction, Left ,Treatment Outcome ,Echocardiography ,Humans ,Female ,Aged - Abstract
In patients with left ventricular (LV) dysfunction the mitral leaflet coaptation point (CPMA) is displaced towards the LV apex. The aim of our study was to estimate the value of CPMA measurement as a simple index regarding the acute effects of cardiac resynchronization therapy (CRT), which is coming to be an established method of treatment for congestive heart failure (CHF).We studied 20 patients with CHF (NYHA III-IV) and LV ejection fraction (LVEF) 22 +/- 4%. All patients received CRT and an echocardiogram was performed within 24-48 hours. The echocardiographic indices LV end-diastolic diameter (LVEDD) and end-systolic diameter (LVESD), LVEF, mitral annulus diameter (MAD), and the degree of intraventricular desynchronization, were measured at CRT off and CRT on. The CPMA, the distance between the coaptation point of the mitral leaflets and the mitral annulus, was measured from the apical 4-chamber view in end-systole at both CRT on and CRT off.CRT improved both the contractility and dimensional indices in CHF patients. CPMA decreased from 11.3 +/- 2 mm at CRT off to 9.1 +/- 1.8 mm after CRT on (p0.001) and MAD from 38.9 +/- 3.9 mm at CRT off to 37.5 +/- 3.7 mm at CRT on (p0.002). LVEF improved from 24.5 +/- 5.7% at CRT off to 29.5 +/- 5.1% at CRT on (p0.001). There was an improvement in LV synchronization from 88 +/- 7 ms at CRT off to 48 +/- 3 ms at CRT on (p.001). CPMA was correlated with MAD (r = 0.52, p0.05 and r = 0.59, p0.05 at CRT off and CRT on, respectively). Moreover, the absolute change in CPMA was correlated with LVESD (r = 0.68) and LVEDD (r = 0.65), both p0.05, with the time difference of the basal segments of the septal and lateral wall at CRT on (r = 0.68, p0.01), and inversely correlated with LVEF (r = -0.55, p0.05).In patients with severe LV systolic dysfunction and dilatation CRT was associated with an improvement in both CPMA and MAD.
- Published
- 2006
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