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Clinical Trial Summary

The purpose of this active post-market surveillance study is to confirm the safety and effectiveness of the EDWARDS INTUITY Valve System in the study population.

The objective is to evaluate cardiac performance characteristics and adverse events rates associated with the EDWARDS INTUITY Valve in patients undergoing AVR. The AVR surgical approach is either full or partial sternotomy or a right anterior thoracotomy.


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 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 Valve System, Model 8300A and the EDWARDS INTUITY Delivery System, Model 8300D; 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 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 NCT02338154
Study type Observational
Source Edwards Lifesciences
Contact
Status Completed
Phase
Start date July 2012
Completion date April 2016

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