Clinical and technical challenges of prosthesis–patient mismatch after transcatheter aortic valve implantation

PP Leone, F Fazzari, F Cannata… - Frontiers in …, 2021 - frontiersin.org
Prosthesis–patient mismatch (PPM) is present when the effective area of a prosthetic valve
inserted into a patient is inferior to that of a normal human valve; the hemodynamic …

Prognosis of severe low-flow, low-gradient aortic stenosis by stroke volume index and transvalvular flow rate

J Sen, Q Huynh, D Stub, C Neil, TH Marwick - Cardiovascular Imaging, 2021 - jacc.org
Objectives This study determined whether flow state classified by stroke volume index (SVi)
or transvalvular flow rate (FR) improved risk stratification of all-cause mortality …

Management of the peri-intubation period in patients with pulmonary arterial hypertension and respiratory failure

AI Papolos, BB Kenigsberg, DR Austin… - Current Cardiology …, 2024 - Springer
Abstract Purpose of Review The endotracheal intubation of patients with pulmonary arterial
hypertension (PAH) in respiratory distress is a highly morbid procedure that can precipitate …

Left ventricular outflow tract velocity-time integral improves outcome prediction in patients with secondary mitral regurgitation

F Gentile, F Buoncristiani, P Sciarrone, L Bazan… - International Journal of …, 2023 - Elsevier
Aims Left ventricular outflow velocity-time integral (LVOT-VTI) has been shown to improve
outcome prediction in different patients' subsets, with or without heart failure (HF) …

Association of myocardial fibrosis and stroke volume by cardiovascular magnetic resonance in patients with severe aortic stenosis with outcome after valve …

GD Thornton, TA Musa, M Rigolli, M Loudon… - JAMA …, 2022 - jamanetwork.com
Importance Low-flow severe aortic stenosis (AS) has higher mortality than severe AS with
normal flow. The conventional definition of low-flow AS is an indexed stroke volume (SVi) by …

Slice positioning in phase-contrast MRI impacts aortic stenosis assessment

F Troger, C Tiller, M Reindl, I Lechner… - European Journal of …, 2023 - Elsevier
Aims To determine the phase-contrast cardiovascular magnetic resonance imaging (PC-
CMR) slice-position above aortic leaflet-attachment-plane (LAP) that provides flow-velocity …

[HTML][HTML] A novel approach to determine aortic valve area with phase-contrast cardiovascular magnetic resonance

F Troger, I Lechner, M Reindl, C Tiller… - Journal of …, 2022 - Elsevier
Background Transthoracic echocardiography (TTE) is the diagnostic routine standard for
assessing aortic stenosis (AS). However, its inaccuracies in determining stroke volume (SV) …

Cardiac output, cerebral blood flow and cognition in patients with severe aortic valve stenosis undergoing transcatheter aortic valve implantation: design and rationale …

AC Van Nieuwkerk, KI Hemelrijk, EE Bron… - Netherlands Heart …, 2023 - Springer
Background Approximately one-third of patients with symptomatic severe aortic valve
stenosis who are scheduled for transcatheter aortic valve implantation (TAVI) have some …

Measurement of stroke volume with echocardiography compared to gold standard cardiac magnetic resonance imaging: an observational study

B Cowie, L Wright, B Costello, K Janssens… - … of Cardiothoracic and …, 2023 - Elsevier
Objectives The authors aimed to compare the assessment of left ventricular (LV) stroke
volume with transthoracic echocardiography (TTE) using 2-and 3-dimensional (2D and 3D) …

Core Laboratory Versus Center‐Reported Echocardiographic Assessment of the Native and Bioprosthetic Aortic Valve

BJJ Velders, MD Vriesendorp, NJ Weissman… - …, 2024 - Wiley Online Library
Background Insights into quantitative differences between core laboratory and center‐
reported echocardiographic assessment of the native and bioprosthetic aortic valve are …