Results 181 to 190 of about 549,153 (219)

Restoration of a Stuck Leaflet

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Severe aortic regurgitation (AR) for a leaflet malfunction after transcatheter aortic valve implantation (TAVI) is a dreadful complication that can lead even to cardiogenic shock. New valve's design has reduced the rate of paravalvular regurgitation, however central regurgitation is still a challenging complication.
Elisa Tomarelli, Gianluca Di Pietro, Gennaro Sardella, Massimo Mancone   +3 more
wiley   +1 more source

Hybrid Transcatheter Pulmonary Valve Replacement With SAPIEN S3 Following Right Ventricular Outflow Tract Reduction Using Tricuspid Annuloplasty Rings

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT We describe a novel variation of hybrid TPVR using a tricuspid annuloplasty ring which can be considered for patients with very large RVOT, short pulmonary artery, and limited vascular access and to avoid the risk of cardiopulmonary bypass. The utilization of Carpentier‐Edwards Physio Tricuspid annuloplasty ring can reduce the size of the RVOT
Mann Chandavimol, Piya Samankatiwat, Alisa Limsuwan, Tawai Ngernsritrakul, Jamil Aboulhosn   +4 more
wiley   +1 more source

Diagnostic Accuracy of Angiography‐Derived Murray Law‐Based Quantitative Flow Ratio (μQFR) Versus Pressure‐Derived Fractional Flow Reserve (FFR) in Moderate to Severe Calcified Coronary Lesions—The DIAMOND Study

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Murray law‐based Quantitative Flow Ratio (μQFR) is an innovative AI‐driven method for evaluating coronary lesions using contrast flow velocity estimates. Unlike traditional approaches, μQFR does not require pressure wires or hyperemia induction.
Wesley Bennar, Diego Arroyo, Charline Oppé, Dorian Garin, Laure Allemann, Thaïs Pittet, Pascal Meier, Serban Puricel, Mario Togni, Stephane Cook   +9 more
wiley   +1 more source

Enhancing WRAP‐Based Nanoparticles for Small Interfering Ribonucleic Acid Delivery in pH‐Sensitive Environments

ChemMedChem, EarlyView.
PEGylation of the WRAP5‐based nanoparticles via acyl hydrazone linkers is achieved to obtain a pH‐sensitive small interfering ribonucleic acid‐targeted delivery. In acidic extracellular conditions (pH 5) occurring during myocardial ischemia‐reperfusion injury, this optimized delivery system is the only one showing efficient silence of the Fas ...
Giulia Di Gregorio, Coélio Vallée, Karidia Konate, Clémentine A. Teko‐Agbo, Thania Hammoum, Héloïse Faure‐Gautron, Yannick Bessin, Sebastien Deshayes, Eric Vivès, Albano C. Meli, Pascal de Santa Barbara, Sandrine Faure, Stéphanie Barrère‐Lemaire, Sébastien Ulrich, Prisca Boisguérin   +14 more
wiley   +1 more source

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Right Ventricular Function

Veterinary Clinics of North America: Small Animal Practice, 2017
The right ventricle (RV) is highly sensitive to increments of pressure overload. Both acute and chronic excessive pressure overloads lead to right ventricular (RV) maladaptation and subsequent RV failure, which is the main cause of death in patients with pulmonary hypertension (PH).
Kaoru Dohi, Masaaki Ito, Norikazu Yamada
openaire   +5 more sources

Assessment of right ventricular function [PDF]

Heart, 2007
The right ventricle has traditionally received less consideration than the left ventricle. In recent years this interest has increased with the recognition of the critical role of right ventricular performance in determining the clinical outcome and decision-making in patients with both clinical heart failure and congenital heart disease. In this issue
Williams, Lynne, Frenneaux, Michael
openaire   +3 more sources

Assessment of Right Ventricular Function

Chest, 1988
Early techniques for estimation of right ventricular volumes and systolic performance employed indicator-dilution concepts, with injection of dye, cold saline, or radiotracer into the right ventricle and analysis of the downstream washout curve {1–3}. These techniques fell into disuse with the development of imaging methods which permitted more direct ...
Richard K. Albert, Richard K. Albert
openaire   +5 more sources

Right ventricular function by MRI

Current Opinion in Cardiology, 2010
For years, the right ventricle (RV) has been deemed 'unnecessary', as shown by procedures such as Fontan surgery. More recently, right ventricular dysfunction has been recognized as a prognostic factor in many cardiovascular diseases. Supported by advances in echocardiography and MRI, assessment of right ventricular function and morphology has gained ...
Jan Bogaert, Frank Rademakers, Kaatje Goetschalckx   +2 more
openaire   +2 more sources

Right ventricular function

2020
The right ventricle (RV) has historically been given less importance than the left. There are important anatomical differences, including several intracardiac structures that may complicate echocardiographic assessments. The right heart is sensitive to changes in pressure and its function is affected by common interventions in critical care such as ...
openaire   +3 more sources

Right ventricular function

Cardiology Clinics, 2002
This article describes the importance of the right ventricle in both the normal circulation, and in the abnormal milieu of previously palliated or corrected congenital heart disease. The latter group represents natural models of abnormal right ventricular loading that do not exist in any other experimental arena, and their study has provided insights ...
openaire   +3 more sources