Artificial aortic valve failure

    • [PDF File]Aortic valve replacement withthe Bjork-Shiley tilting ...

      https://info.5y1.org/artificial-aortic-valve-failure_1_954a7f.html

      The VAD Journal: The journal of mechanical assisted circulation and heart failure Total Artificial Heart Components The TAH consists of two artificial ventricles and four mechanical valves: two 27 mm inflow valves (atrioventricular valves) and two 25 mm outflow valves (aortic and pulmonic valves). Each of the two artificial ventricles (right and left) house four flexible polyurethane ...

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    • Total Artificial Heart Imaging and Complications: a ...

      the aortic ball-valve prosthesis was usually related to significant paravalvular leakage.4 With the develop ... having refractory anemia or a question of mechanical failure of the valve, such as progressive congestive failure or increas­ ing paravalvular leakage. The aortic prosthetic gradient was obtained by a retrograde transvalvular approach. Patients presenting with a diagnosis of anemia ...

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    • [PDF File]AORTIC VALVE REPLACEMENT WITH PERCEVAL SUTURELESS VALVE

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      Percutaneous aortic valve implantation is emerging as an alternative to standard aortic valve replacement (AVR) in patients with symptomatic aortic stenosis considered to be at high or prohibitive operative risk (Figure 1G and 1H).1–5 The valves are usually implanted using a percutaneous transfemo- ral approach.4,5 To reduce the problems of vascular access and associated complications, a ...

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    • 404 Review Article Narrative review of the role of ...

      with aortic valve replacement and 79% ofpatients with mitral valve repliicement. Furthermore, the data suggest that patients with Marfan's syndrome are more susceptible to developing pal-malvular regurgitation. This may be due to the fragmenta- tion and disorganization of elastic fibers which are a hallmark of Marlin's syndrome. I I In the same report, calcification was found in 47% of ...

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    • Surgical or Transcatheter Aortic-Valve Replacement in ...

      • Atresia — the valve is not properly formed or is missing from birth. Heart valve problems make the heart work harder. Over time this can lead to heart failure. Heart valve surgery is done to replace or repair heart valves that aren’t working correctly. Most valve replacements involve the …

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    • Artificial Aortic Valve Stenosis: Symptoms, Diagnosis, and Treatmen…

      Aortic stenosis is a narrowing of your aortic valve opening that does not allow normal blood flow. It can be caused by a birth defect, rheumatic fever, radiation therapy, or can be related to age. It is sometimes caused by the build-up of calcium (mineral deposits) on the aortic valve leaflets.

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    • Valvular Heart Disease: Changing Concepts in Disease ...

      Aortic Valve Implantation (SURTAVI) trial is provided in the Supplementary Appen-dix, available at NEJM.org. This article was published on March 17, 2017, at NEJM.org. N Engl J Med 2017;376:1321 ...

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    • Why Do I Need Heart Valve Surgery?

      Starr-Edwards ball valve prosthesis I was at first hesitant about trying other artificial valves. Itwas,however,theunacceptablehigh pressure gradient overthe smaller ball valves that necessitated the introduction of a new tilting disc valve prosthesis for aortic valve replacement. Sevenoutof9 cases withaortic valve replacement with the No. 8 Starr-

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    • Hemolysis in the Aortic Prosthetic Valve

      aortic valve disease management Martin Thoenes1, Anurag Agarwal2, David Grundmann3, ... such as heart failure, cardiomyopathy, arterial/pulmonary hypertension and coronary artery disease (7). More recently, publications have focused on the application of AI in VHD for detecting mitral valve disease/regurgitation and tricuspid valve disease (8-10). This article provides insights into the ...

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