نتایج جستجو برای: mitral valve annuloplasty
تعداد نتایج: 117236 فیلتر نتایج به سال:
As part of a follow-up investigation in mitral annuloplasty by reflected ultrasound, 39 studies have been carried out in I5 patients who underwent mitral valve reconstructive operations. The rate of diastolic toward closure movemeiit from point E (EF speed) and total amplitude did not correlate with the final valve orifice dimension obtained at operation. Mitral stenosis and incompetence were s...
Aneurysm of the mitral valve, although uncommon, occurs most commonly in association with infective endocarditis of the aortic valve and true mitral valve aneurysm is a rare cause of mitral regurgitation. We report a case with perforated mitral valve aneurysm in the posterior leaflet without concurrent infective endocarditis initially mistaken diagnosis of cystic mass, which was confirmed at op...
Various surgical techniques have been described for the repair of mitral valve with or without using an annuloplasty ring depending upon the pathological changes. Isolated prolapse of the anterior mitral leaflet with severe mitral regurgitation is relatively uncommon compared to prolapse of the posterior mitral leaflet. The technique commonly used is edge-to-edge repair, Chordal transfer and sh...
OBJECTIVE This study investigated the use of a new concept of mitral valve reconstruction using a novel device to stent the posterior mitral leaflet in combination with semicircular annuloplasty. Modern mitral valve repair is an accepted modality and a routine procedure for treatment of degenerative mitral valve insufficiency. One of the most common mechanisms of mitral valve insufficiency is l...
OBJECTIVES The purpose of this study was to demonstrate the feasibility of percutaneous transvenous mitral valve-in-ring (VIR) implantation using the Melody valve in an ovine model. BACKGROUND The recurrence of mitral regurgitation following surgical mitral valve (MV) repair in both adult and pediatric patients remains a significant clinical problem. Mitral annuloplasty rings are commonly use...
The long term results of mitral valve annuloplasty for pure mitral regurgitation are assessed. Thirty-three of the 100 patients (mean age 16 years) had acute rheumatic carditis at the time of operation. Three basic techniques were used: measured asymmetrical annuloplasty (Reed) in 37 patients, posterior plication annuloplasty in 56, Carpentier ring in seven. There were six early deaths, two of ...
INTRODUCTION AND AIMS The long-term results after surgical repair of rheumatic mitral valve remain controversial in literature. Our aim was to determine the predictive factors which impact the long-term results after isolated rheumatic mitral valve repair and to evaluate the effect of those factors on reoperation and late mortality. METHODS One hundred and four patients with rheumatic valve d...
I have read with interest the article by Taramasso et al. [1]. They compared retrospectively the efficacy of the MitraClip (percutaneous edge-to-edge [E2E] procedure) with surgical treatment (E2E stitch plus annuloplasty) in patients with severe functional mitral regurgitation (FMR) and heart failure. They concluded that MitraClip therapy is a good alternative, particularly in patients who are ...
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether, in patients with mitral regurgitation secondary to degenerative mitral valve disease requiring mitral valve repair with an annuloplasty ring, a flexible ring is superior to a semi-rigid or rigid ring in terms of improvement in symptoms and survival. Using the reported sea...
evidence of reduced venous return and alternating end-diastolic fiber length as causative factors. To the Editor: Attie et al.' reported their experience with valve replacement in children with mitral insufficiency. They divided their patients in three groups, depending on the type of prosthesis: mechanical valves, porcine xenografts and dura mater valves. Follow up times were 6.3, 3.3 and 1.9 ...
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