Aortic aneurysm sac pressure measurements after endovascular repair using an implantable remote sensor: initial experience and short-term follow-up

Hoppe, Hanno; Segall, Jocelyn A; Liem, Timothy K; Landry, Gregory J; Kaufman, John A (2008). Aortic aneurysm sac pressure measurements after endovascular repair using an implantable remote sensor: initial experience and short-term follow-up. European radiology, 18(5), pp. 957-65. Berlin: Springer 10.1007/s00330-007-0831-7

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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 </= 0.005) compared to pre-EVAR measurements. One-month follow-up demonstrated a 47% decrease in systolic sac pressure (P </= 0.05). On follow-up CT scans, the average maximum aneurysm diameter pre-EVAR was 6.3 +/- 1.6 cm and post-EVAR 6.0 +/- 1.7 cm (P</=0.05). The diameter of the aneurysm sac was larger only in one patient with a type-III endoleak. Remote sac pressure measurement may provide important information in addition to imaging and may help to reduce the number of follow-up CT scans.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology

UniBE Contributor:

Hoppe, Hanno

ISSN:

0938-7994

ISBN:

18094972

Publisher:

Springer

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:58

Last Modified:

04 May 2014 23:17

Publisher DOI:

10.1007/s00330-007-0831-7

PubMed ID:

18094972

Web of Science ID:

000254848400014

URI:

https://boris.unibe.ch/id/eprint/24980 (FactScience: 54364)

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