Bioprosthetic Aortic Valve Hemodynamics: Definitions, Outcomes, and Evidence Gaps: JACC State-of-the-Art Review

HC Herrmann, P Pibarot, C Wu, RT Hahn… - Journal of the American …, 2022 - jacc.org
A virtual workshop was organized by the Heart Valve Collaboratory to identify areas of
expert consensus, areas of disagreement, and evidence gaps related to bioprosthetic aortic …

Advances in rheumatic mitral stenosis: echocardiographic, pathophysiologic, and hemodynamic considerations

JJ Silbiger - Journal of the American Society of Echocardiography, 2021 - Elsevier
Highlights•Decreased ejection fraction in mitral stenosis is caused by reduced preload.•Low-
flow, low-gradient mitral stenosis occurs when ventricular compliance is low.•Patients with C …

3-Year outcomes of balloon-expandable valves: 20-mm vs larger valves (≥ 23 mm)

MH Eng, H Khalili, J Vavalle, KM Al-Azizi… - Cardiovascular …, 2024 - jacc.org
Background A prior Society of Thoracic Surgeons/American College of Cardiology TVT
(Transcatheter Valve Therapy) Registry–based analysis reported similar 1-year clinical …

Invasive versus echocardiographic evaluation of transvalvular gradients immediately post-transcatheter aortic valve replacement: demonstration of significant …

AE Abbas, R Mando, G Hanzel… - Circulation …, 2019 - Am Heart Assoc
Circ Cardiovasc Interv. 2019; 12: e007973. DOI: 10.1161/CIRCINTERVENTIONS.
119.007973 July 2019 2 mal distribution. Differences and agreement between …

Hemodynamic principles of prosthetic aortic valve evaluation in the transcatheter aortic valve replacement era

AE Abbas, R Mando, G Hanzel, J Goldstein… - …, 2020 - Wiley Online Library
Evaluating the hemodynamic performance of aortic valve prostheses has relied primarily on
echocardiography. This involves calculating the trans‐prosthetic valve mean gradient (MG) …

Transvalvular pressure gradients and all-cause mortality following TAVR: a multicenter echocardiographic and invasive registry

H Khalili, P Pibarot, RT Hahn, S Elmariah… - Cardiovascular …, 2022 - jacc.org
Background Low ejection fraction (EF) and low flow as determined by an echocardiographic
stroke volume index (SVi)< 35 mL/m2 are associated with low transvalvular gradients and …

Simplified Bernoulli's method significantly underestimates pulmonary transvalvular pressure drop

A Falahatpisheh, C Rickers, D Gabbert… - Journal of Magnetic …, 2016 - Wiley Online Library
Purpose To determine whether neglecting the flow unsteadiness in simplified Bernoulli's
equation significantly affects the pulmonary transvalvular pressure drop estimation …

Hemodynamic characterization of aortic stenosis states

AE Abbas, P Pibarot - Catheterization and Cardiovascular …, 2019 - Wiley Online Library
Aortic stenosis (AS) has become an increasingly prevalent clinical condition, as a result of
the “greying of the population”, the widespread application of sophisticated diagnostic tools …

[HTML][HTML] Moderate aortic stenosis—advanced imaging, risk assessment, and treatment strategies

R Adrichem, MMP van den Dorpel, A Hirsch… - Structural Heart, 2024 - Elsevier
Moderate aortic stenosis is increasingly recognized as a disease entity with poor prognosis.
Diagnosis of moderate aortic stenosis may be complemented by laboratory tests and …

Comparison of Echocardiographic and Catheter Mean Gradient to Assess Stenosis After Transcatheter Aortic Valve Implantation

TB DeSa, KM Tecson, SR Lander, RC Stoler… - The American Journal of …, 2023 - Elsevier
Discordance exists between Doppler-derived and left heart catheterization (LHC)-derived
mean gradient (MG) in transcatheter aortic valve implantation (TAVI). We compared …