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Clinical Trial Summary

The purpose of this active, observational, open-label, non-randomized, post-market surveillance study is to confirm that EDWARDS INTUITY Elite reduces cross clamp time (XCT) in MIS setting when compared to published data with a conventional valve within the MIS setting. The published dataset will used as a control group. Then to describe short term (30 days) and long term (6 months) clinical safety, to assess and compare hemodynamic data with EDWARDS INTUITY Elite to a conventional valve at discharge and at 6 months post AVR, to assess Quality of Life at baseline, and at 6 months post AVR to assess NYHA functional class at baseline, discharge, 1 month and at 6 months post AVR to assess Fitness for hospital discharge.


Clinical Trial Description

Aortic valve replacement with mechanical or biological heart valves is the treatment of choice for aortic valve stenosis. Over the past several years, life expectancy has increased in industrial nations, but this has been accompanied by a rising rate of elderly patients with multiple illnesses.

Aortic stenosis remains the most common cause of adult valvular heart disease, the prevalence increasing with age. Average survival of patients treated conservatively has historically been reported as 2—5 years from the onset of symptoms. More recent studies have confirmed the dismal prognosis of severe aortic stenosis. Advanced age, reduced left-ventricular ejection fraction, congestive heart failure and renal insufficiency appear to be independent predictors of reduced survival. Asymptomatic patients with very severe aortic stenosis also share a poor prognosis with a high event rate and a risk of rapid functional deterioration. Early surgery offers a therapeutic option to improve clinical outcomes via decreasing cardiac mortality and improving symptoms.

Bioprostheses offer several advantages over mechanical bioprostheses, the most important being freedom from anticoagulation with a low rate of thromboembolic accidents.

In response to clinical need and in support of advances in minimally invasive surgical approaches to conventional AVR, Edwards Lifesciences developed the EDWARDS INTUITY Elite Valve System to achieve clinical benefits by reducing cardiopulmonary bypass and cross clamp times, while facilitating a less invasive approach to aortic valve replacement.

The system includes the EDWARDS INTUITY Elite Valve System, Model 8300AB and the EDWARDS INTUITY Elite Delivery System, Model 8300DB; the valve is based on prior heart valve designs which have a long history of safety and effectiveness and have incorporated additional features designed to improve patient outcomes and safety.

With only 3 guiding sutures and secure balloon expandable frame, the EDWARDS INTUITY Elite Valve system is well suited for smaller incisions and tight access, with an emphasis on procedural efficiency within existing operating suite of the surgeon. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02907463
Study type Observational
Source Edwards Lifesciences
Contact
Status Completed
Phase
Start date February 2016
Completion date December 2017

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