Articles with "leaflet" as a keyword



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Subclinical Leaflet Thrombosis and Anticoagulation After Transcatheter Aortic Valve Replacement: A Review.

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Published in 2022 at "JAMA cardiology"

DOI: 10.1001/jamacardio.2022.1591

Abstract: Importance Subclinical leaflet thrombosis affects approximately 15% of patients after transcatheter aortic valve replacement (TAVR). The pathophysiology and clinical significance of leaflet thrombosis remain incompletely understood. Defining the optimal management strategy in patients who are… read more here.

Keywords: subclinical leaflet; valve; transcatheter aortic; leaflet thrombosis ... See more keywords
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Structural analysis of regional transcatheter aortic valve underexpansion and its implications for subclinical leaflet thrombosis

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Published in 2022 at "International Journal for Numerical Methods in Biomedical Engineering"

DOI: 10.1002/cnm.3641

Abstract: Subclinical leaflet thrombosis has been increasingly recognized following transcatheter aortic valve replacement (TAVR). Determining the risk factors is vital in preventing clinical leaflet thrombosis and ensuring long‐term value durability. Clinical data have indicated that regional… read more here.

Keywords: subclinical leaflet; transcatheter aortic; leaflet thrombosis; leaflet ... See more keywords
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Modelling secondary lymphatic valves with a flexible vessel wall: how geometry and material properties combine to provide function

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Published in 2020 at "Biomechanics and Modeling in Mechanobiology"

DOI: 10.1007/s10237-020-01325-4

Abstract: A three-dimensional finite-element fluid/structure interaction model of an intravascular lymphatic valve was constructed, and its properties were investigated under both favourable and adverse pressure differences, simulating valve opening and valve closure, respectively. The shear modulus… read more here.

Keywords: wall; geometry; material; valve ... See more keywords
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Mechanics of Porcine Heart Valves’ Strut Chordae Tendineae Investigated as a Leaflet–Chordae–Papillary Muscle Entity

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Published in 2020 at "Annals of Biomedical Engineering"

DOI: 10.1007/s10439-020-02464-6

Abstract: Proper blood flow through the atrioventricular heart valves (AHVs) relies on the holistic function of the valve and subvalvular structures, and a failure of any component can lead to life-threatening heart disease. A comprehension of… read more here.

Keywords: heart; strut chordae; chordae tendineae; chordae ... See more keywords
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Morphological characterization of wild Rosa L. germplasm from the Western Himalaya, India

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Published in 2020 at "Euphytica"

DOI: 10.1007/s10681-020-2567-2

Abstract: The aim of this study was to assess morphological variation in wild Rosa L. germplasm from the Western Himalayan Region that includes the geographical area of two Union territories (Jammu and Kashmir [J&K] and Ladakh)… read more here.

Keywords: length; germplasm western; wild rosa; rosa germplasm ... See more keywords
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Leaflet escape in an Edwards TEKNA mitral prosthesis

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Published in 2018 at "General Thoracic and Cardiovascular Surgery"

DOI: 10.1007/s11748-018-0891-4

Abstract: In almost every type of artificial valve, structural failure has been described. We are reporting on a case of a sudden leaflet escape of an Edwards TEKNA mitral valve prosthesis 12 years after implantation. The patient… read more here.

Keywords: escape edwards; leaflet escape; edwards tekna; leaflet ... See more keywords
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Leaflet tear or what? A challenging echocardiographic diagnosis after percutaneous mitral valve edge-to-edge repair

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Published in 2021 at "Journal of Echocardiography"

DOI: 10.1007/s12574-021-00550-9

Abstract: A 60-year-old male with ischemic cardiomyopathy was hospitalized due to progressive congestive heart failure. Symptom improved from NYHA4 to NYHA3a, but severe functional mitral regurgitation (MR) remained despite optimal medical therapy. Considering the comorbidity such… read more here.

Keywords: leaflet tear; percutaneous mitral; edge; posterior leaflet ... See more keywords
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Behavior of valvular interstitial cells on trilayered nanofibrous substrate mimicking morphologies of heart valve leaflet.

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Published in 2019 at "Acta biomaterialia"

DOI: 10.1016/j.actbio.2018.12.005

Abstract: Heart valve tissue engineering could be an alternative to the current bioprosthetic heart valve that faces limitations especially in pediatric patients. However, heart valve tissue engineering has remained challenging because leaflets - the primary component… read more here.

Keywords: heart; tissue engineering; substrate; heart valve ... See more keywords
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Alpha-Synuclein Affects Differently the Internal and External Leaflet of the Lipid Membranes

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Published in 2021 at "Biophysical Journal"

DOI: 10.1016/j.bpj.2020.11.325

Abstract: Peptides and proteins possess an inherent tendency to convert from their native functional states into intractable amyloid aggregates. This phenomenon is associated with a range of increasingly common human disorders, including Alzheimer's and Parkinson's diseases,… read more here.

Keywords: lipid membranes; external leaflet; composition; synuclein affects ... See more keywords
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Neochordoplasty versus leaflet resection for ruptured mitral chordae treatment: Virtual mitral valve repair

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Published in 2017 at "Computers in biology and medicine"

DOI: 10.1016/j.compbiomed.2017.09.006

Abstract: Degenerative mitral valve (MV) disease involving mitral prolapse is one of the most prevalent MV pathologies. Quadrangular leaflet resection and neochordoplasty demonstrate excellent clinical outcomes for the treatment of posterior leaflet prolapse. We evaluated the… read more here.

Keywords: mitral valve; leaflet resection; leaflet; repair ... See more keywords
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Investigation of thermophysical and mechanical properties of board produced from coconut (Cocos nucifera) leaflet

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Published in 2021 at "Environmental Technology and Innovation"

DOI: 10.1016/j.eti.2021.101869

Abstract: Abstract Waste generation is a consequence of human activity and as such, it is certainly inevitable. The huge amount of wastes generated all over the world varies exponentially with population growth. In order to ensure… read more here.

Keywords: mechanical properties; investigation thermophysical; thermophysical mechanical; produced coconut ... See more keywords