CardioVascular and Interventional Radiology

, Volume 38, Issue 5, pp 1130–1136 | Cite as

Patient Compliance with Surveillance Following Elective Endovascular Aneurysm Repair

  • Anthony D. Godfrey
  • Abigail H. M. Morbi
  • Ian M. Nordon
Clinical Investigation



Integral to maintaining good outcomes post-endovascular aneurysm repair (EVAR) is a robust surveillance protocol. A significant proportion of patients fail to comply with surveillance, exposing themselves to complications. We examine EVAR surveillance in Wessex (UK), exploring factors that may predict poor compliance.


Retrospective analysis of 179 consecutive elective EVAR cases [2008–2013] was performed. 167 patients were male, with the age range of 50–95. Surveillance was conducted centrally (tertiary referral trauma centre) and at four spoke units. Surveillance compliance and predictors of non-compliance including age, gender, co-morbid status, residential location and socioeconomic status were analysed for univariate significance.


Fifty patients (27.9 %) were non-compliant with surveillance; 14 (8.1 %) had no imaging post-EVAR. At 1 year, 56.1 % (of 123 patients) were compliant. At years 2 and 3, 41.5 and 41.2 % (of 65 and 34 patients, respectively) were compliant. Four years post-EVAR, only one of eight attended surveillance (12.5 %). There were no statistically significant differences in age (p = 0.77), co-morbid status or gender (p = 0.64). Distance to central unit (p = 0.67) and surveillance site (p = 0.56) was non-significant. While there was a trend towards compliance in upper-middle-class socioeconomic groups (ABC1 vs. C1C2D), correlating with >50 % of non-compliant patients living within <10 mile radius of the central unit, overall predictive value was not significant (p = 0.82).


Compliance with surveillance post-EVAR is poor. No independent predictor of non-compliance has been confirmed, but socioeconomic status appears to be relevant. There is a worrying drop-off in attendance beyond the first year. This study highlights a problem that needs to be addressed urgently, if we are to maintain good outcomes post-EVAR.


EVAR Endovascular aneurysm repair AAA Surveillance Outcomes Compliance 



Dr AHM Morbi was supported by the University of Southampton National Institute of Health Research Academic Foundation Programme. The authors acknowledge the support of the Vascular Surgery and Vascular Interventional Radiology Departments, University Hospital Southampton NHS Foundation Trust.

Conflict of interest

All authors declare that they have no conflicts of interest to disclose.

Ethical Approval

Retrospective study: For this type of study, formal consent is not required.


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Copyright information

© Springer Science+Business Media New York and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2015

Authors and Affiliations

  • Anthony D. Godfrey
    • 1
  • Abigail H. M. Morbi
    • 1
    • 2
  • Ian M. Nordon
    • 1
    • 2
  1. 1.Unit of Cardiac Vascular and Thoracic Surgery (CV&T), Department of Vascular SurgeryUniversity Hospital Southampton NHS Foundation TrustSouthamptonUK
  2. 2.University of SouthamptonSouthamptonUK

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