Search Results - "Willson, Alexander B."

Percutaneous Aortic Valve Replacement by Toggweiler, Stefan, MD, Gurvitch, Ronen, MBBS, Leipsic, Jonathon, MD, Wood, David A., MD, Willson, Alexander B., MBBS, Binder, Ronald K., MD, Cheung, Anson, MD, Ye, Jian, MD, Webb, John G., MD

“…Objectives The aim of this study was to evaluate vascular complications in a consecutive patient population undergoing transfemoral percutaneous aortic valve…”
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Transcatheter Valve-in-Valve Implantation for Failed Surgical Bioprosthetic Valves by Gurvitch, Ronen, MBBS, Cheung, Anson, MD, Ye, Jian, MD, Wood, David A., MD, Willson, Alexander B., MBBS, Toggweiler, Stefan, MD, Binder, Ronald, MD, Webb, John G., MD

“…When bioprosthetic cardiac valves fail, reoperative valve replacement carries a higher risk of morbidity and mortality compared with initial valve replacement…”
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Sex Differences in Mortality After Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis by Humphries, Karin H., DSc, Toggweiler, Stefan, MD, Rodés-Cabau, Josep, MD, Nombela-Franco, Luis, MD, Dumont, Eric, MD, Wood, David A., MD, Willson, Alexander B., MD, Binder, Ronald K., MD, Freeman, Melanie, MD, Lee, May K., MSc, Gao, Min, PhD, Izadnegahdar, Mona, MSc, Ye, Jian, MD, Cheung, Anson, MD, Webb, John G., MD

“…Objectives The aim of this study was to examine sex differences in outcome after transcatheter aortic valve replacement (TAVR) with real-world data from 2…”
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Impact of Post-Implant SAPIEN XT Geometry and Position on Conduction Disturbances, Hemodynamic Performance, and Paravalvular Regurgitation by Binder, Ronald K., MD, Webb, John G., MD, Toggweiler, Stefan, MD, Freeman, Melanie, MBBS, Barbanti, Marco, MD, Willson, Alexander B., MBBS, MD, Alhassan, Donya, MD, Hague, Cameron J., MD, Wood, David A., MD, Leipsic, Jonathon, MD

“…Objectives This report sought to study the impact of the balloon-expandable SAPIEN XT (Edwards Lifesciences, Irvine, California) transcatheter heart valve…”
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Transcatheter Valve-In-Valve Implantation for Failed Balloon-Expandable Transcatheter Aortic Valves by Toggweiler, Stefan, MD, Wood, David A., MD, Rodés-Cabau, Josep, MD, Kapadia, Samir, MD, Willson, Alexander B., MBBS, MPH, Ye, Jian, MD, Cheung, Anson, MD, Leipsic, Jonathon, MD, Binder, Ronald K., MD, Gurvitch, Ronen, MBBS, Freeman, Melanie, MBBS, Thompson, Christopher R., MD, Svensson, Lars G., MD, Dumont, Eric, MD, Tuzcu, E. Murat, MD, Webb, John G., MD

“…Objectives This study sought to evaluate outcomes after implantation of a second transcatheter heart valve (THV-in-THV) for acute THV failure. Background…”
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Oversizing in transcatheter aortic valve replacement, a commonly used term but a poorly understood one: Dependency on definition and geometrical measurements by Blanke, Philipp, MD, Willson, Alexander B., MD, Webb, John G., MD, Achenbach, Stephan, MD, Piazza, Nicolo, MD, Min, James K., MD, Pache, Gregor, MD, Leipsic, Jonathon, MD

“…Abstract Background In transcatheter aortic valve replacement, prosthesis oversizing is essential to prevent paravalvular regurgitation. However, the estimated…”
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Computed tomography–based sizing recommendations for transcatheter aortic valve replacement with balloon-expandable valves: Comparison with transesophageal echocardiography and rationale for implementation in a prospective trial by Willson, Alexander B., MBBS, MPH, Webb, John G., MD, Freeman, Melanie, MBBS, Wood, David A., MD, Gurvitch, Ronen, MBBS, Thompson, Christopher R., MD, Moss, Robert R., MBBS, Toggweiler, Stefan, MD, Binder, Ronnie K., MD, Munt, Bradley, MD, Cheung, Anson, MD, Hague, Cameron, MD, Ye, Jian, MD, Leipsic, Jonathon A., MD, FSCCT

“…Background Computed tomography (CT) annular measurements are predictive of paravalvular regurgitation after transcatheter aortic valve replacement (TAVR) which…”
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Transcatheter Aortic Valve Replacement With a New Self-Expanding Transcatheter Heart Valve and Motorized Delivery System by Binder, Ronald K., MD, Schäfer, Ulrich, MD, Kuck, Karl-Heinz, MD, Wood, David A., MD, Moss, Robert, MD, Leipsic, Jonathon, MD, Toggweiler, Stefan, MD, Freeman, Melanie, MBBS, Ostry, Avi J., MD, Frerker, Christian, MD, Willson, Alexander B., MBBS, Webb, John G., MD

“…Objectives The aim of this study was to demonstrate feasibility and short- and midterm clinical outcomes with a new self-expanding transcatheter heart valve…”
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Percutaneous Aortic Valve Replacement: Vascular Outcomes With a Fully Percutaneous Procedure by TOGGWEILER, Stefan, GURVITCH, Ronen, LEIPSIC, Jonathon, WOOD, David A, WILLSON, Alexander B, BINDER, Ronald K, CHEUNG, Anson, JIAN YE, WEBB, John G

“…The aim of this study was to evaluate vascular complications in a consecutive patient population undergoing transfemoral percutaneous aortic valve replacement…”
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3-Dimensional Aortic Annular Assessment by Multidetector Computed Tomography Predicts Moderate or Severe Paravalvular Regurgitation After Transcatheter Aortic Valve Replacement: A Multicenter Retrospective Analysis by WILLSON, Alexander B, WEBB, John G, HAGUE, Cameron J, TOGGWEILER, Stefan, BINDER, Ronald, FREEMAN, Melanie, POULTER, Rohan, POULSEN, Steen, WOOD, David A, LEIPSIC, Jonathon, LABOUNTY, Troy M, ACHENBACH, Stephan, MOSS, Robert, WHEELER, Miriam, THOMPSON, Christopher, MIN, James K, GURVITCH, Ronen, NORGAARD, Bjarne L

“…This study sought to analyze multidetector computed tomography (MDCT) 3-dimensional aortic annular dimensions for the prediction of paravalvular aortic…”
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The Impact of Integration of a Multidetector Computed Tomography Annulus Area Sizing Algorithm on Outcomes of Transcatheter Aortic Valve Replacement: A Prospective, Multicenter, Controlled Trial by BINDER, Ronald K, WEBB, John G, DUMONT, Eric, THOMPSON, Chris, WHEELER, Miriam, MOSS, Robert R, YANG, Tae-Hyun, PASIAN, Sergio, HAGUE, Cameron J, NGUYEN, Giang, RAJU, Rekha, TOGGWEILER, Stefan, WILLSON, Alexander B, MIN, James K, WOOD, David A, RODES-CABAU, Josep, LEIPSIC, Jonathon, URENA, Marina, HANSSON, Nicolaj C, NORGAARD, Bjarne L, PIBAROT, Philippe, BARBANTI, Marco, LAROSE, Eric, FREEMAN, Melanie

“…This study prospectively investigated the impact of integration of a multidetector computed tomography (MDCT) annular area sizing algorithm on transcatheter…”
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Multidetector CT predictors of prosthesis–patient mismatch in transcatheter aortic valve replacement by Freeman, Melanie, MBBS, Webb, John G., MD, Willson, Alexander B., MBBS, MPH, Wheeler, Miriam, MBChB, Blanke, Philipp, MD, Moss, Robert R., MBBS, Thompson, Christopher R., MD, CM, Munt, Brad, MD, Norgaard, Bjarne L., MD, Yang, Tae-Hyun, Min, James K., MD, Poulsen, Steen, MD, Hansson, Nicolaj C., MD, Binder, Ronald K., MD, Toggweiler, Stefan, MD, Hague, Cameron, MD, Wood, David A., MD, Pibarot, Philippe, DVM, PhD, Leipsic, Jonathon, MD

“…Abstract Background Prosthesis–patient mismatch (PPM) is a predictor of mortality after aortic valve replacement (AVR). Objective We examined whether accurate…”
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3-Dimensional Aortic Annular Assessment by Multidetector Computed Tomography Predicts Moderate or Severe Paravalvular Regurgitation After Transcatheter Aortic Valve Replacement by Willson, Alexander B., MBBS, MPH, Webb, John G., MD, LaBounty, Troy M., MD, Achenbach, Stephan, MD, Moss, Robert, MBBS, Wheeler, Miriam, MBBS, Thompson, Christopher, MD, Min, James K., MD, Gurvitch, Ronen, MBBS, Norgaard, Bjarne L., MD, Hague, Cameron J., MD, Toggweiler, Stefan, MD, Binder, Ronald, MD, Freeman, Melanie, MBBS, Poulter, Rohan, MBBS, Poulsen, Steen, MD, Wood, David A., MD, Leipsic, Jonathon, MD

“…Objectives This study sought to analyze multidetector computed tomography (MDCT) 3-dimensional aortic annular dimensions for the prediction of paravalvular…”
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Transcatheter aortic valve replacement with the SAPIEN 3: a new balloon-expandable transcatheter heart valve by Binder, Ronald K, Rodés-Cabau, Josep, Wood, David A, Mok, Michael, Leipsic, Jonathon, De Larochellière, Robert, Toggweiler, Stefan, Dumont, Eric, Freeman, Melanie, Willson, Alexander B, Webb, John G

“…The aim of this study was to demonstrate the first-in-human feasibility and short-term clinical outcomes with a new balloon-expandable transcatheter heart…”
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The Impact of Integration of a Multidetector Computed Tomography Annulus Area Sizing Algorithm on Outcomes of Transcatheter Aortic Valve Replacement by Binder, Ronald K., MD, Webb, John G., MD, Willson, Alexander B., MBBS, Urena, Marina, MD, Hansson, Nicolaj C., MD, Norgaard, Bjarne L., MD, PhD, Pibarot, Philippe, MD, Barbanti, Marco, MD, Larose, Eric, MD, Freeman, Melanie, MBBS, Dumont, Eric, MD, Thompson, Chris, MD, Wheeler, Miriam, MBChB, Moss, Robert R., MD, Yang, Tae-hyun, MD, Pasian, Sergio, MD, Hague, Cameron J., MD, Nguyen, Giang, MD, Raju, Rekha, MD, Toggweiler, Stefan, MD, Min, James K., MD, Wood, David A., MD, Rodés-Cabau, Josep, MD, Leipsic, Jonathon, MD

“…Objectives This study prospectively investigated the impact of integration of a multidetector computed tomography (MDCT) annular area sizing algorithm on…”
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Assessment of Coronary Artery Obstruction Risk During Transcatheter Aortic Valve Replacement Utilising 3D-Printing by Russo, Jeremy J., Yuen, Tamara, Tan, John, Willson, Alexander B., Gurvitch, Ronen

“…Current imaging techniques may inadequately rule out coronary artery obstruction (CAO), a potentially fatal complication during transcatheter aortic valve…”
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Transcatheter Aortic Valve Replacement With the St. Jude Medical Portico Valve by Willson, Alexander B., MBBS, MPH, Rodès-Cabau, Josep, MD, Wood, David A., MD, Leipsic, Jonathon, MD, Cheung, Anson, MD, Toggweiler, Stefan, MD, Binder, Ronald K., MD, Freeman, Melanie, MBBS, DeLarochellière, Robert, MD, Moss, Robert, MBBS, Nombela-Franco, Luis, MD, Dumont, Eric, MD, Szummer, Karolina, MD, Fontana, Gregory P., MD, Makkar, Raj, MD, Webb, John G., MD

“…Objectives The purpose of this study was to demonstrate the feasibility and procedural outcomes with a new self-expanding and repositionable transcatheter…”
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Transcatheter Aortic Valve Replacement: Outcomes of Patients With Moderate or Severe Mitral Regurgitation by TOGGWEILER, Stefan, BOONE, Robert H, GREWAL, Jasmine, MOSS, Robert, MUNT, Brad, THOMPSON, Christopher R, FREEMAN, Melanie, JIAN YE, CHEUNG, Anson, DUMONT, Eric, WOOD, David A, WEBB, John G, RODES-CABAU, Josep, HUMPHRIES, Karin H, LEE, May, NOMBELA-FRANCO, Luis, BAGUR, Rodrigo, WILLSON, Alexander B, BINDER, Ronald K, GURVITCH, Ronen

“…The aim of this study was to evaluate the impact of mitral regurgitation (MR) on outcomes after transcatheter aortic valve replacement (TAVR) and the impact of…”
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Transcatheter Aortic Valve Replacement With the St. Jude Medical Portico Valve: First-in-Human Experience by WILLSON, Alexander B, RODES-CABAU, Josep, NOMBELA-FRANCO, Luis, DUMONT, Eric, SZUMMER, Karolina, FONTANA, Gregory P, MAKKAR, Raj, WEBB, John G, WOOD, David A, LEIPSIC, Jonathon, CHEUNG, Anson, TOGGWEILER, Stefan, BINDER, Ronald K, FREEMAN, Melanie, DELAROCHELLIERE, Robert, MOSS, Robert

“…The purpose of this study was to demonstrate the feasibility and procedural outcomes with a new self-expanding and repositionable transcatheter heart valve…”
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Aortic annulus diameter determination by multidetector computed tomography: reproducibility, applicability, and implications for transcatheter aortic valve implantation by Gurvitch, Ronen, Webb, John G, Yuan, Ren, Johnson, Mark, Hague, Cameron, Willson, Alexander B, Toggweiler, Stefan, Wood, David A, Ye, Jian, Moss, Robert, Thompson, Christopher R, Achenbach, Stephan, Min, James K, Labounty, Troy M, Cury, Ricardo, Leipsic, Jonathon

“…This study sought to determine the most reproducible multidetector computed tomography (MDCT) measurements of the aortic annulus and to determine methods to…”
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