Abdominal aortic aneurysm (AAA): Localized widening of aorta
Endovascular aneurysm repair (EVAR): Type of endovascular surgery used to treat aortic aneurysm of aorta, involving percutaneous placement of expandable stent graft within vessel
Goal of treatment to provide conduit for blood to bypass aneurysm sac
Endoleak: Persistent blood flow outside lumen of endovascular graft but within aneurysm sac
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
Selected References
Zaiem F et al: Surveillance after endovascular aortic repair. J Vasc Surg. 67(1): 320-31; e37, 2018
David E et al: What is the role of contrast-enhanced ultrasound in the evaluation of the endoleak of aortic endoprostheses? A comparison between CEUS and CT on a widespread scale. J Ultrasound. 19(4):281-287, 2016
Karthikesalingam A et al: Systematic review and meta-analysis of duplex ultrasonography, contrast-enhanced ultrasonography or computed tomography for surveillance after endovascular aneurysm repair. Br J Surg. 99(11):1514-23, 2012
Mirza TA et al: Duplex ultrasound and contrast-enhanced ultrasound versus computed tomography for the detection of endoleak after EVAR: systematic review and bivariate meta-analysis. Eur J Vasc Endovasc Surg. 39(4):418-28, 2010
Chaikof EL et al: SVS practice guidelines for the care of patients with an abdominal aortic aneurysm: executive summary. J Vasc Surg. 50(4):880-96, 2009
Giles KA et al: Decrease in total aneurysm-related deaths in the era of endovascular aneurysm repair. J Vasc Surg. 49(3):543-50; discussion 550-1, 2009
Ashoke R et al: Color duplex ultrasonography is insensitive for the detection of endoleak after aortic endografting: a systematic review. J Endovasc Ther. 12(3):297-305, 2005
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
TERMINOLOGY
Definitions
Abdominal aortic aneurysm (AAA): Localized widening of aorta
Endovascular aneurysm repair (EVAR): Type of endovascular surgery used to treat aortic aneurysm of aorta, involving percutaneous placement of expandable stent graft within vessel
Goal of treatment to provide conduit for blood to bypass aneurysm sac
Endoleak: Persistent blood flow outside lumen of endovascular graft but within aneurysm sac
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
PATHOLOGY
General Features
Staging, Grading, & Classification
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
Selected References
Zaiem F et al: Surveillance after endovascular aortic repair. J Vasc Surg. 67(1): 320-31; e37, 2018
David E et al: What is the role of contrast-enhanced ultrasound in the evaluation of the endoleak of aortic endoprostheses? A comparison between CEUS and CT on a widespread scale. J Ultrasound. 19(4):281-287, 2016
Karthikesalingam A et al: Systematic review and meta-analysis of duplex ultrasonography, contrast-enhanced ultrasonography or computed tomography for surveillance after endovascular aneurysm repair. Br J Surg. 99(11):1514-23, 2012
Mirza TA et al: Duplex ultrasound and contrast-enhanced ultrasound versus computed tomography for the detection of endoleak after EVAR: systematic review and bivariate meta-analysis. Eur J Vasc Endovasc Surg. 39(4):418-28, 2010
Chaikof EL et al: SVS practice guidelines for the care of patients with an abdominal aortic aneurysm: executive summary. J Vasc Surg. 50(4):880-96, 2009
Giles KA et al: Decrease in total aneurysm-related deaths in the era of endovascular aneurysm repair. J Vasc Surg. 49(3):543-50; discussion 550-1, 2009
Ashoke R et al: Color duplex ultrasonography is insensitive for the detection of endoleak after aortic endografting: a systematic review. J Endovasc Ther. 12(3):297-305, 2005
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