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Surveillance
of Endovascular Aneurysm Repair
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Abdominal aortic aneurysm (AAA) describes a permanent local swelling
of the body artery and is one of the most serious diseases in
vascular surgery. The ultimate result of the dilatation is rupture
of the aneurysm producing serious and even life-threatening consequences.
This condition affects about 3 million people world-wide and is
one of the leading causes of death.
A minimally invasive approach for the repair of aortic aneurysms
uses endovascular techniques to place an endoluminal stent-graft
inside the aneurysm that effectively excludes the enlarged part
of the aorta from blood circulation. Endoleak development can
lead to re-pressurization and increased risk of rupture. The therapy
is continuously observed via contrast-media-enhanced computed
tomography, which is a very cost-intensive procedure and is associated
to x-ray exposure and risks correlating with contrast-media application.
There are greatly evidences that the success of therapy depends
on the pressure remaining inside the aneurysm.
CMT proposes an implantable telemetric pressure sensor connected
to endoluminal stent-grafts for long-term surveillance of successful
treatment. The implantable system is powered wirelessly and is
highly miniaturised so that it can be delivered via the endocasvular
path used for deploying the stent-graft. |
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Campus Micro Technologies
GmbH, Universitätsallee 29, D-28359 Bremen |
