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Aortic Stent Endoleak
Andrej Lyshchik, MD, PhD
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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

                            1. Zaiem F et al: Surveillance after endovascular aortic repair. J Vasc Surg. 67(1): 320-31; e37, 2018
                            2. 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
                            3. 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
                            4. 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
                            5. 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
                            6. 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
                            7. 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

                                                      1. Zaiem F et al: Surveillance after endovascular aortic repair. J Vasc Surg. 67(1): 320-31; e37, 2018
                                                      2. 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
                                                      3. 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
                                                      4. 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
                                                      5. 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
                                                      6. 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
                                                      7. 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