Results 21 to 30 of about 11,581,644 (164)

Disproportionate Mitral Regurgitation Determines Survival in Acute Heart Failure

Frontiers in Cardiovascular Medicine, 2021
Objectives: To assess the prevalence and impact of mitral regurgitation (MR) on survival in patients presenting to hospital in acute heart failure (AHF) using traditional echocardiographic assessment alongside more novel indices of proportionality ...
Max Berrill, Ian Beeton, David Fluck, David Fluck, David Fluck, Isaac John, Isaac John, Otar Lazariashvili, Otar Lazariashvili, Jack Stewart, Jack Stewart, Eshan Ashcroft, Eshan Ashcroft, Eshan Ashcroft, Jonathan Belsey, Pankaj Sharma, Pankaj Sharma, Aigul Baltabaeva, Aigul Baltabaeva, Aigul Baltabaeva, Aigul Baltabaeva   +20 more
doaj   +1 more source

Intraoperative comparison of 2D versus 3D transesophageal echocardiography for quantitative assessment of mitral regurgitation

Annals of Cardiac Anaesthesia, 2021
Background: Effective regurgitant orifice area (EROA) can be represented by 3D echocardiographic vena contracta cross-sectional area (3D-VCA) as a reference method for the quantification of mitral regurgitation (MR) without making any geometrical ...
Pravin S Lovhale, Shrinivas Gadhinglajkar, Rupa Sreedhar, Subin Sukesan, Vivek Pillai   +4 more
doaj   +1 more source

Comprehensive assessment of the aortic valve in critically ill patients for the non-cardiologist. Part II: Chronic aortic regurgitation of the native valve

Anaesthesiology Intensive Therapy, 2021
Inadequate diastolic closure of the aortic valve causes aortic regurgitation (AR). Diastolic regurgitation towards the left ventricle (LV) causes LV volume overload, resulting in eccentric LV remodelling.
Jeroen Walpot, Guy L. Vermeiren, Amar Al Mafragi, Manu L.N.G. Malbrain   +3 more
doaj   +1 more source

NT-proBNP increase during stress echocardiography predicts significant changes in ischemic mitral regurgitation severity in patients qualified for surgical revascularization

Cardiology Journal, 2022
BACKGROUND: In many patients, significant changes in ischemic mitral regurgitation (IMR) severity during exercise can be observed independent of the degree of IMR at rest.
Radosław Piątkowski, Janusz Kochanowski, Monika Budnik, Marcin Grabowski, Piotr Ścisło, Grzegorz Opolski   +5 more
doaj   +1 more source

In vitro Assessment of the Impacts of Leaflet Design on the Hemodynamic Characteristics of ePTFE Pulmonary Prosthetic Valves

Frontiers in Bioengineering and Biotechnology, 2020
Prosthetic pulmonary valves are widely used in the management procedures of various congenital heart diseases, including the surgical pulmonary valve replacement (PVR) and right ventricular outflow tract reconstruction (RVOT).
Guangyu Zhu, Yuan Wei, Qi Yuan, Li Cai, Masakazu Nakao, Joon Hock Yeo   +5 more
doaj   +1 more source

Optimal Quantification of Functional Mitral Regurgitation: Comparison of Volumetric and Proximal Isovelocity Surface Area Methods to Predict Outcome

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2021
Background Effective orifice area (EOA) ≥0.2 cm2 or regurgitant volume (Rvol) ≥30 mL predicts prognostic significance in functional mitral regurgitation (FMR).
Sachiyo Igata, Bruno R. Cotter, Calvin T. Hang, Nagisa Morikawa, Monet Strachan, Ajit Raisinghani, Daniel G. Blanchard, Anthony N. DeMaria   +7 more
doaj   +1 more source

Benefit of 3D Vena Contracta Area over 2D-Based Echocardiographic Methods in Quantification of Functional Mitral Valve Regurgitation

Diagnostics, 2023
Background: The two-dimensional proximal isovelocity surface area (2D PISA) method in the quantification of an effective regurgitation orifice area (EROA) has limitations in functional mitral valve regurgitation (FMR), particularly in non-circular ...
Vinzenz M. Jungels, Felix M. Heidrich, Christian Pfluecke, Axel Linke, Krunoslav M. Sveric   +4 more
doaj   +1 more source

Performance assessment of prosthetic heart valves using orifice area formulae and the energy index method [PDF]

, 1993
Valve function is commonly assessed by effective orifice area (EOA) estimates using equations derived from conservation of mass and energy. Errors have been found with the method due to difficulties in determining the valve’s coefficient of discharge (Cd)
Souza Campos, Flavio Ballerini
core   +1 more source

Moderate ischemic mitral regurgitation: novel diagnostic tools and the evolution of treatment approaches [PDF]

Exploration of Cardiology
Moderate ischemic mitral regurgitation (IMR) remains a ‘grey area’ for clinicians, with evidence-based decision-making for patients referred for coronary artery bypass grafting (CABG) being particularly challenging.
Mikhail Riadinskii, Dmitry Shmatov, Maxim Kamenskikh, Elena Kalinina, Nikolay Lukyanov, Angela Zagatina   +5 more
doaj   +1 more source

Tricuspid Regurgitation in Acute Heart Failure: Predicting Outcome Using Novel Quantitative Echocardiography Techniques

Diagnostics, 2022
Background: The prognostic impact of tricuspid regurgitation (TR) in acute heart failure (AHF) remains uncertain. Methods: We retrospectively assessed 418 consecutive AHF patients who underwent comprehensive echocardiographic assessment within 24 h of ...
Max Berrill, Eshan Ashcroft, David Fluck, Isaac John, Ian Beeton, Pankaj Sharma, Aigul Baltabaeva   +6 more
doaj   +1 more source