نتایج جستجو برای: aortic valve

تعداد نتایج: 181629  

Journal: :Interactive cardiovascular and thoracic surgery 2014
Christos Tourmousoglou

Noirhomme P et al. Valve sparing-root replacement with the reimplanta-tion technique to increase the durability of bicuspid aortic valve repair. David valve-sparing aortic root replacement: equivalent mid-term outcome for different valve types with or without connective tissue disorder. RS et al. Results of matching valve and root repair to aortic valve and root pathology. Repair of the bicuspi...

Journal: :Revista espanola de cardiologia 2011
Eulogio García Agustín Albarrán Jerónimo Heredia-Mantrana Fernando Guerrero-Pinedo Julio Rodríguez Rosana Hernández-Antolín Juan Tascón Carlos Macaya

Many patients with severe aortic stenosis never undergo surgical treatment for various reasons. Apart from the standard risks, some patients face an additional problem: their carrying of a mechanical mitral valve. In these patients, transcatheter aortic valve implantation is a therapeutic option. The literature contains only few reports of this procedure being performed (usually transapically) ...

Journal: :Circulation 2004
Nalini M Rajamannan Catherine M Otto

Calcific aortic valve disease is common, affecting 25% of adults over the age of 65 years, with progression to severe valve obstruction resulting in more than 50 000 aortic valve replacements annually in the United States. “Degenerative” calcific aortic valve disease was thought for many years to be a passive accumulation of calcium binding to the aortic surface of the valve leaflet. Now, convi...

2017
Ferdi Akca Kayan Lam Ibrahim Özdemir Erwin Tan

BACKGROUND Aortic valve replacement in a patient with an aortic homograft can be very challenging, especially when concomitant mitral valve surgery needs to be performed. CASE PRESENTATION We report a case of implantation of a sutureless aortic valve bioprosthesis combined with mitral valve replacement in a patient with a severely calcified aortic homograft where conventional valve replacemen...

Journal: :JACC. Cardiovascular interventions 2012
Fabian Nietlispach John G Webb Jian Ye Anson Cheung Samuel V Lichtenstein Ronald G Carere Ronen Gurvitch Christopher R Thompson Avi J Ostry Lise Matzke Michael F Allard

OBJECTIVES This study sought to report on the pathology of transcatheter aortic valves explanted at early and late time points after transcatheter aortic valve implantation. BACKGROUND Information on pathological findings following transcatheter aortic valve implantation is scarce, particularly late after transcatheter aortic valve implantation. METHODS This study included 20 patients (13 m...

Journal: :Circulation 2009
Jordan D Miller Robert M Weiss Kristine M Serrano Robert M Brooks Christopher J Berry Kathy Zimmerman Stephen G Young Donald D Heistad

BACKGROUND Treatment of hyperlipidemia produces functional and structural improvements in atherosclerotic vessels. However, the effects of treating hyperlipidemia on the structure and function of the aortic valve have been controversial, and any effects could be confounded by pleiotropic effects of hypolipidemic treatment. The goal of this study was to determine whether reducing elevated plasma...

Journal: :Circulation 1974
T B Berndt E W Hancock N E Shumway D C Harrison

Twenty-eight patients who underwent aortic valve replacement and coronary artery bypass grafts (group A) were compared, with respect to clinical presentation, operative mortality and morbidity and follow-up clinical status, with 40 patients who had normal coronary arteriograms and underwent aortic valve replacement only (group B). Groups A and B had a similar incidence of angina pectoris, cardi...

Journal: :Circulation. Cardiovascular interventions 2014
Josep Rodés-Cabau Philippe Pibarot Rakesh M Suri Susheel Kodali Vinod H Thourani Wilson Y Szeto Lars G Svensson Eric Dumont Ke Xu Rebecca T Hahn Martin B Leon

BACKGROUND The objective was to evaluate the effects of aortic annulus size on valve hemodynamics and clinical outcomes in those patients included in the Placement of Aortic Transcatheter Valves (PARTNER) randomized controlled trial cohort A and the nonrandomized continued access cohort. METHODS AND RESULTS Patients included the randomized controlled trial (n=574) and nonrandomized continued ...

Journal: :Cardiovascular Ultrasound 2006
Pedro L Sanchez Anna Maria Mazzone

Aortic Valve Disease, includes a range of disorder severity from mild leaflet thickening without valve obstruction, "aortic sclerosis", to severe calcified aortic stenosis. It is a slowly progressive active process of valve modification similar atherosclerosis for cardiovascular risk factors, lipoprotein deposition, chronic inflammation, and calcification. Systemic signs of inflammation, as wal...

Journal: :Cardiovascular Ultrasound 2006
Pompilio Faggiano Francesco Antonini-Canterin Ferdinando Baldessin Roberto Lorusso Antonio D'Aloia Livio Dei Cas

The abnormalities of aortic valve morphology and function represent the most common cardiac-valve lesion particularly in elderly. The etiology of aortic stenosis is degenerative-calcific in the majority of patients. Many risk factors seems to be linked to the calcification and the stenosis of the aortic valve but they must be confirmed. In this review the etiology and the possible physiopatholo...

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