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Direct Comparison of Severity Grading Assessed by Two-Dimensional,Three-Dimensional,and Doppler Echocardiography for Predicting Prognosis in Asymptomatic Aortic Stenosis
Authors:Yosuke Nabeshima  Yasufumi Nagata  Kazuaki Negishi  Yoshihiro Seo  Tomoko Ishizu  Kimi Sato  Kazutaka Aonuma  Dan Koto  Masaki Izumo  Yoshihiro J. Akashi  Eiji Yamashita  Shigeru Oshima  Yutaka Otsuji  Masaaki Takeuchi
Affiliation:1. Second Department of Internal Medicine, University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan;2. Department of Laboratory and Transfusion Medicine, University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan;3. Cardiovascular Division, University of Tsukuba, Tsukuba, Japan;4. Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan;5. Department of Cardiology, Gunma Prefectural Cardiovascular Center, Maebashi, Japan;6. Menzies Institute for Medical Research, University of Tasmania, Tasmania, Australia
Abstract:
Keywords:Aortic stenosis  Asymptomatic  Prognosis  Comparison  Echocardiography  2D  Two-dimensional  2DE  Two-dimensional echocardiography  3D  Three-dimensional  3DE  Three-dimensional echocardiography  AS  Aortic stenosis  AUC  Area under the curve  AVA  Aortic valve area  AVR  Aortic valve replacement  BSA  Body surface area  CMR  Cardiac magnetic resonance  HPG-SAS  High-pressure-gradient severe aortic stenosis  HR  Hazard ratio  iAVA  Indexed aortic valve area  ICC  Intraclass correlation coefficient  LFLPG-SAS  Low-flow/low-pressure-gradient severe aortic stenosis  LV  Left ventricular  LVEF  Left ventricular ejection fraction  LVOT  Left ventricular outflow tract  MACE  Major adverse cardiac event  MAS  Mild-to-moderate aortic stenosis  NFLPG-SAS  Normal-flow/low-pressure-gradient severe aortic stenosis  NRI  Net reclassification improvement  ROC  Receiver operating characteristic  SV  Stroke volume  SVI  Stroke volume index  USH  Upper septal hypertrophy  Zva  Valvulo-arterial impedance
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