The Impact of Endograft Surveillance on a Vascular Imaging Service

Background: Surveillance is considered mandatory after endovascular repair (EVR), but its impact on imaging services remains unreported. This study reports the effect of EVR surveillance on imaging resources. Methods: A single-center’s duplex database was interrogated from January 1, 2004 to January...

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Published in:	Vascular and endovascular surgery Vol. 47; no. 2; pp. 92 - 96
Main Authors:	Karthikesalingam, Alan, Young, Mark, Powell, Sophie A., Morshedian, Golnaz, Ramachandran, Veni, D’Abate, Fabrizio, Thompson, Matthew M., Holt, Peter J. E.
Format:	Journal Article
Language:	English
Published:	Los Angeles, CA SAGE Publications 01-02-2013
Subjects:	Aortic Aneurysm, Abdominal - diagnostic imaging Aortic Aneurysm, Abdominal - surgery Blood Vessel Prosthesis Implantation - adverse effects Endovascular Procedures - adverse effects Hospitals, High-Volume - trends Humans London Postoperative Complications - diagnostic imaging Predictive Value of Tests State Medicine - statistics & numerical data State Medicine - trends Time Factors Treatment Outcome Ultrasonography, Doppler, Duplex - statistics & numerical data Ultrasonography, Doppler, Duplex - trends Workload EVAR endovascular aneurysm repair duplex workload surveillance resource utilization imaging
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Summary:	Background: Surveillance is considered mandatory after endovascular repair (EVR), but its impact on imaging services remains unreported. This study reports the effect of EVR surveillance on imaging resources. Methods: A single-center’s duplex database was interrogated from January 1, 2004 to January 1, 2012. All examinations requested by a vascular surgeon were reported, including preoperative abdominal aortic aneurysms, surveillance after EVR, lower limb arterial and venous duplex, and arteriovenous fistulae. Results: A total of 24 309 patients underwent duplex. The EVR surveillance increased from 192 scans in 2004 to 1325 scans in 2011, 9.5% (192 of 2030) and 34.4% (1325 of 3850) of each year’s examinations. By 2011, EVR surveillance was the most common indication for duplex. Conclusion: Lifelong EVR surveillance creates a rapidly increasing workload for imaging services. Further research should aim to reduce the burden of EVR surveillance. Targeting surveillance to the minority of patients at greatest risk of endograft failure might optimize the usage of imaging resources.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1538-5744 1938-9116
DOI:	10.1177/1538574412474497