Thromboembolic complications after endovascular repair of abdominal aortic aneurysm with neck thrombus

  • Shintani T
  • Mitsuoka H
  • Atsuta K
 et al. 
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Abstract

OBJECTIVE: To evaluate outcomes after endovascular aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA) with neck thrombus. METHODS: We retrospectively reviewed patients who underwent EVAR for AAA at our institution from 2007 to 2011. Patients with ruptured AAA, chronic renal failure, or hostile neck characteristics other than thrombus were excluded. Patients were divided into 2 groups: group T (with neck thrombus) and group N (without neck thrombus). We compared complications and mid-term outcomes. RESULTS: There were no differences in success rates between the groups, but there were higher rates of thromboembolic complications such as distal embolization (20% vs 0%, P = .02) and renal dysfunction (36.8% vs 11.1%, P = .03) in group T than in group N. Suprarenal thrombus and suprarenal fixation in the presence of suprarenal thrombus were associated with postoperative renal dysfunction (P = .01). CONCLUSION: The EVAR for AAA with neck thrombus is associated with thromboembolic complications.

Author-supplied keywords

  • Aged
  • Aged, 80 and over
  • Aortic Aneurysm, Abdominal/complications/radiograp
  • Aortography/methods
  • Blood Vessel Prosthesis
  • Blood Vessel Prosthesis Implantation/*adverse effe
  • Chi-Square Distribution
  • Endoleak/etiology
  • Endovascular Procedures/*adverse effects/instrumen
  • Female
  • Foreign-Body Migration/etiology
  • Humans
  • Kaplan-Meier Estimate
  • Logistic Models
  • Male
  • Odds Ratio
  • Predictive Value of Tests
  • Proportional Hazards Models
  • Retrospective Studies
  • Risk Factors
  • Stents
  • Thromboembolism/*etiology
  • Thrombosis/complications/radiography/*surgery
  • Time Factors
  • Tomography, X-Ray Computed
  • Treatment Outcome

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Authors

  • T Shintani

  • H Mitsuoka

  • K Atsuta

  • T Saitou

  • S Higashi

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