Results 31 to 40 of about 133,767 (311)

Investigation of physiological pulsatile flow in a model arterial stenosis using large-eddy and direct numerical simulations [PDF]

open access: yes, 2012
Physiologicalpulsatileflow in a 3D model of arterialstenosis is investigated by using largeeddysimulation (LES) technique. The computational domain chosen is a simple channel with a biological type stenosis formed eccentrically on the top wall.
Molla, M.M.   +3 more
core   +1 more source

Emergency treatment of acute decompensated critical aortic stenosis with transcatheter aortic valve implantation [PDF]

open access: yes, 2020
Transcatheter aortic valve implantation (TAVI) is relatively contraindicated in the bicuspid aortic valve, and to our knowledge has not been tried where the true native annulus is of a size far in excess of current device capabilities.
Singh, Kuljit   +3 more
core   +1 more source

Supravalvular Aortic Stenosis [PDF]

open access: yesCirculation, 1958
A case of supravalvular aortic stenosis is described. The diagnosis was suspected from pressure curves obtained at retrograde catheterization of the left ventricle. At operation a circular narrowing of the aorta 2 cm. above the valvular ring was seen. No attempt at surgical correction was made; the patient died at the end of the operation.
J J, DENIE, A P, VERHEUGT
openaire   +2 more sources

Mechanisms of aortic stenosis [PDF]

open access: yesJournal of Cardiology, 2018
The pathobiology of degenerative aortic valve stenosis (AS) is complex and involves multiple features such as fibrosis, inflammation, oxidative stress, angiogenesis, hemorrhage, and osteogenic differentiation. We summarize the mechanism of valve calcification and angiogenesis which is necessary for calcifying processes.
Hirokuni, Akahori   +3 more
openaire   +2 more sources

Demographic, Regional, and State-Level Trends of Mortality in Patients With Aortic Stenosis in United States, 2008 to 2018. [PDF]

open access: yes, 2020
Background Aortic stenosis-related mortality might vary across demographic subsets, regions, and states in the United States. Methods and Results We reviewed the death certificate data from the Centers for Disease Control and Prevention Wide-Ranging ...
Mamas
core   +1 more source

Rapid progression of aortic stenosis in a 3-month-old infant with bicuspid aortic valve and DeSanto-Shinawi syndrome

open access: yesAnnals of Pediatric Cardiology, 2021
A 3-month-old female was diagnosed at 1 month of age with DeSanto-Shinawi syndrome (DSS) and bicuspid aortic valve with trivial stenosis. The aortic valve stenosis progressed to severe within 2 months and required balloon aortic valvuloplasty.
Daiji Takajo   +2 more
doaj   +1 more source

Comparative evaluation of left ventricular mass regression after aortic valve replacement: a prospective randomized analysis [PDF]

open access: yes, 2011
Background: We assessed the hemodynamic performance of various prostheses and the clinical outcomes after aortic valve replacement, in different age groups.
Wood Jeffrey P   +11 more
core   +1 more source

Moderate Aortic Stenosis With Cardiac Damage: A New Type of Severe Aortic Stenosis

open access: yesStructural Heart
The clinical implications of severe aortic stenosis have been well established. Understanding of moderate aortic stenosis, however, continues to evolve. Athough moderate aortic stenosis may be less clinically impactful in patients with normal ventricular
Nino Mihatov, MD   +1 more
doaj   +1 more source

Balloon valvuloplasty for aortic stenosis using umbilical vein access in a newborn: First experience in Turkey

open access: yesTürk Kardiyoloji Derneği Arşivi, 2016
Summary– Balloon valvuloplasty is an effective therapy for severe congenital aortic valve stenosis, with mild aortic insufficiency and minimal intermediate-term restenosis.
Kemal Nişli   +2 more
doaj   +1 more source

Role of natriuretic peptides in the assessment of aortic stenosis severity [PDF]

open access: yesVojnosanitetski Pregled, 2010
Background/Aim. Symptom onset is a critical point in natural course of aortic stenosis and the most important indication for aortic valve replacement.
Davičević Žaklina   +4 more
doaj   +1 more source

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