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Aortic aneurysm sac pressure measurements after endovascular repair using an implantable remote sensor: initial
Hanno Hoppe1, Jocelyn A Segall, Timothy K Liem
1Dotter Interventional Institute, Oregon Health & Science University, L-605, 3181 SW Sam Jackson Park Rd., Portland, OR 97239-3098, USA. hanno.hoppe@web.de
Abstract:
The purpose of this single-center study was to report our initial experience with an implantable remote pressure sensor for aneurysm sac pressure measurement in patients post-endovascular aneurysm repair (EVAR) including short-term follow-up. A pressure sensor (EndoSure, Atlanta, GA) was implanted in 12 patients treated with different commercially available aortic endografts for EVAR. Pressure was read pre- and post-EVAR in the operating room. One-month follow-up (30 days+/-6 days) was performed including sac pressure readings and IV contrast CT scans. Variables were compared using the paired Student's t test. An intraprocedure type-I endoleak and a type-III endoleak were successfully treated resulting in decreasing sac pressures. In all patients, post-EVAR systolic sac pressure decreased by an average of 33% (P
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