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Jude and porcine aortic valve prostheses

A 12 year concomitant comparison of the porcine bioprosthetic and tilting disc prosthetic aortic valves

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A hazard of close‐clearance cloth covered prosthetic aortic valves

The Edwards SAPIEN XT transcatheter heart valve and accessories are also indicated for patients with symptomatic heart disease due to failure (stenosed, insufficient, or combined) of a surgical bioprosthetic aortic valve who are judged by a heart team, including a cardiac surgeon, to be at high or greater risk for open surgical therapy (i.e., STS operative risk score ≥8% or at a ≥15% risk of mortality at 30 days).

A 12‐year concomitant comparison of the porcine bioprosthetic and prosthetic disc mitral valves

Our soprano aortic bioprosthesis is created for a totally supra-annular seating, which allows a precise alignment of the valve orifice to the patient's tissue annulus, thus resulting in a maximization of the blood flow and 100% orifice-to-annulus ratio.

Jude prosthetic mitral valve leaflet

These valves are intended for use in patients whose aortic valvular disease is sufficiently advanced to warrant replacement of their natural valve with a prosthetic one. It is also intended for use in patients with a previously implanted aortic valve prosthesis which is no longer functioning adequately and requires replacement. Valve replacement can include the following risks:

AB - Background: Limitations are found in the ability of transthoracic echocardiography to evaluate mechanical aortic valve replacements (AVR). We evaluated the ability of combined echocardiography and computed tomography (CT) to enhance the hemodynamic and functional evaluation of AVR. Methods: We performed a retrospective evaluation of 41 consecutive patients with AVR (27 bileaflet, 14 single disc) and both transthoracic echocardiography and 64-detector electrocardiographic-gated CT. Each study was interpreted by 2 independent, blinded readers. The effective orifice area was compared with the corrected energy-loss coefficient area and the geometric orifice area. Patients with an elevated mean pressure gradient (>15 mm Hg) were assessed for potential abnormal findings, including patient-prosthesis mismatch, elevated cardiac index, valve dysfunction, significant regurgitation, or pressure recovery effect. Results: Significant differences (P

Jude Medical prosthesis in the aortic valve position

N2 - Background: Limitations are found in the ability of transthoracic echocardiography to evaluate mechanical aortic valve replacements (AVR). We evaluated the ability of combined echocardiography and computed tomography (CT) to enhance the hemodynamic and functional evaluation of AVR. Methods: We performed a retrospective evaluation of 41 consecutive patients with AVR (27 bileaflet, 14 single disc) and both transthoracic echocardiography and 64-detector electrocardiographic-gated CT. Each study was interpreted by 2 independent, blinded readers. The effective orifice area was compared with the corrected energy-loss coefficient area and the geometric orifice area. Patients with an elevated mean pressure gradient (>15 mm Hg) were assessed for potential abnormal findings, including patient-prosthesis mismatch, elevated cardiac index, valve dysfunction, significant regurgitation, or pressure recovery effect. Results: Significant differences (P

This paper reviews the pathological and bioengineering considerations in the selection of cardiac prosthetic valves and the management of patients who have received these devices.

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  • CARDIAC-VALVE PROSTHESIS - Sorin Biomedica Cardio …

    bovine pericardial valves: A morphologic study of the Xenomedica and Mitroflow bioprostheses

  • Cardiac-valve prosthesis - Sorin Group Italia S.r.l.

    A cardiac valve prosthesis including an annular body having a valving member and a suturing collar

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    Find out information about cardiac valve prosthesis

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Patent CA1296841C - Cardiac valve prosthesis - Google …

Background: Limitations are found in the ability of transthoracic echocardiography to evaluate mechanical aortic valve replacements (AVR). We evaluated the ability of combined echocardiography and computed tomography (CT) to enhance the hemodynamic and functional evaluation of AVR. Methods: We performed a retrospective evaluation of 41 consecutive patients with AVR (27 bileaflet, 14 single disc) and both transthoracic echocardiography and 64-detector electrocardiographic-gated CT. Each study was interpreted by 2 independent, blinded readers. The effective orifice area was compared with the corrected energy-loss coefficient area and the geometric orifice area. Patients with an elevated mean pressure gradient (>15 mm Hg) were assessed for potential abnormal findings, including patient-prosthesis mismatch, elevated cardiac index, valve dysfunction, significant regurgitation, or pressure recovery effect. Results: Significant differences (P 2), corrected energy-loss coefficient area (3.0 ± 1.5 cm2), and geometric orifice area (3.6 ± 0.9 cm2). At least one abnormality was observed in 7 of 25 patients with normal gradients and in 14 of 16 patients with elevated gradients (P

Патент US5713953 - Cardiac valve prosthesis …

The long-term durability of the Edwards SAPIEN 3 transcatheter heart valve is not known, at this time. Regular medical follow-up is recommended to evaluate how well a patient’s heart valve is performing. For patients who have previously had aortic valve replacement, the safety, effectiveness, and durability of putting a transcatheter valve in an already implanted artificial valve are not known at this time.

How a prosthesis in aortic valve replacement is chosen

The Edwards SAPIEN XT transcatheter heart valve, model 9300TFX, and accessories are indicated for relief of aortic stenosis in patients with symptomatic heart disease due to severe native calcific aortic stenosis who are judged by a Heart Team, including a cardiac surgeon, to be at intermediate or greater risk for open surgical therapy (i.e., predicted risk of surgical mortality ≥ 3% at 30 days, based on the Society of Thoracic Surgeons (STS) risk score and other clinical co-morbidities unmeasured by the STS risk calculator).

How a prosthesis in aortic valve replacement is chosen ..

The Edwards SAPIEN 3 transcatheter heart valve, model 9600TFX, and accessories are indicated for relief of aortic stenosis in patients with symptomatic heart disease due to severe native calcific aortic stenosis who are judged by a Heart Team, including a cardiac surgeon, to be at intermediate or greater risk for open surgical therapy (i.e., predicted risk of surgical mortality ≥ 3% at 30 days, based on the Society of Thoracic Surgeons (STS) risk score and other clinical co-morbidities unmeasured by the STS risk calculator).

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