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The purpose of this study is to evaluate the safety and effectiveness of transcatheter aortic valve replacement in Chinese population.
Subjects enrolled are those who undergo physical exams and screening tests and were classified as a patient with symptomatic aortic stenosis or severe aortic regurgitation. They are then performed transcatheter aortic valve replacement.
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Symptomatic Aortic Stenosis
transcatheter aortic valve replacement
Not yet recruiting
Second Affiliated Hospital, School of Medicine, Zhejiang University
Published on BioPortfolio: 2016-06-16T18:23:21-0400
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A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the AORTIC VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.
A type of constriction that is caused by the presence of a fibrous ring (discrete type) below the AORTIC VALVE, anywhere between the aortic valve and the MITRAL VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.
The downward displacement of the cuspal or pointed end of the trileaflet AORTIC VALVE causing misalignment of the cusps. Severe valve distortion can cause leakage and allow the backflow of blood from the ASCENDING AORTA back into the LEFT VENTRICLE, leading to aortic regurgitation.
A pathological constriction occurring in the region below the AORTIC VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.