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TEVAR 2016: Companies Push New Frontiers In Thoracic Aortic Interventions

Although thoracic endovascular aortic repair (TEVAR) is now routine for lesions like dissection of the descending aorta, the Big Three aortic endovascular companies are developing devices for the more technically challenging proximal and distal portions of the thoracic aorta while physicians refine TEVAR in the descending aorta. Insiders say endovascular techniques are overcoming limitations and physicians will soon be able to treat the entire aorta, from the aortic valve to the bifurcation.

Thoracic aortic endovascular repair (TEVAR) is a minimally invasive approach suitable for many aortic lesions that would otherwise require risky and highly specialized open surgery. It is now routinely employed to treat lesions of the descending aorta like aneurysm and dissection, yet for the many patients with proximal aortic lesions – and the smaller pool of those who have thoracoabdominal lesions – the technique remains experimental. As with endovascular aortic repair (EVAR) of the abdominal aorta, the Big Three companies are Medtronic PLC, Cook Medical Inc./Cook Group Inc. and WL Gore & Associates Inc., all of which are working to push TEVAR’s frontiers up and down the thorax.

Though dwarfed by the abdominal EVAR market – estimated at $1.5 billion plus globally – the TEVAR market is substantial. (See Also see "EVAR Update: Companies Target Complex Anatomies...

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