A Review of Methods for Determining the Long Term Behavior of Endovascular Devices

作者：Lynch Bronadh; Nelson John; Kavanagh Eamon G; Walsh Stewart R; McGloughlin Timothy M^*

来源：Cardiovascular Engineering and Technology, 2014, 5(1): 1-12.

DOI：10.1007/s13239-013-0168-0

• AAA
• Post endovascular aneurysm repair (EVAR) management
• Surveillance
• Long-term complications
• Cost
• Pressure sensors

Endovascular aneurysm repair is developing as the standard of care in treating abdominal aortic aneurysms. Long term complications and late rupture risks remain a primary concern of this new therapeutic approach, mandating life time surveillance. Post endovascular aneurysm repair (EVAR) follow up and management of reintervention utilizes a number of techniques (CT, MRI, and Ultrasound), with a consequent need to improve follow up assessments in terms of cost, patient safety and time efficacy. Reduced expenditure on surveillance represents one possible means of improving cost efficacy of EVAR. The concept of implanting a sensor to measure pressure has been formulated and a number of groups have been developing implantable sensors to measure pressure in order to address some of these long term followup issues. Positive short-term results in the use of sensors which deliver in vivo measurements have indicated the potential of sensors becoming a useful, real-time tool for EVAR long-term surveillance. This paper reviews several of the continuing issues in the current experience of EVAR, examines results from various clinical trials and discusses methods of identifying stent grafts at high risk of reintervention by using pressure sensors.

• 出版日期2014-3