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A New Murine Model of Endovascular Aortic Aneurysm Repair
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Delayed open conversion after endovascular aortic repair.

Y Law1, Y C Chan1, S W Cheng1

  • 1Division of Vascular Surgery, Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong.

Asian Cardiovascular & Thoracic Annals
|December 20, 2018
PubMed
Summary
This summary is machine-generated.

Delayed open surgical repair after endovascular aortic aneurysm repair is safe, with good short- and mid-term survival rates. This approach offers a viable option for patients with failed endovascular treatments.

Keywords:
Aortic aneurysmBlood vessel prosthesis implantationEndovascular proceduresProsthesis failureReoperationStentsabdominal

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Area of Science:

  • Vascular Surgery
  • Endovascular Repair
  • Open Surgical Repair

Background:

  • Endovascular aortic aneurysm repair (EVAR) is a common treatment for aortic aneurysms.
  • Complications or failures of EVAR may necessitate further intervention.
  • Delayed open surgical conversion is an option for managing EVAR failures.

Purpose of the Study:

  • To evaluate the clinical outcomes of delayed open surgical repair following endovascular aortic aneurysm repair.
  • To assess the safety and efficacy of converting failed EVAR to open surgery.

Main Methods:

  • Retrospective review of patients undergoing delayed open repair after EVAR (July 2001-December 2017).
  • Analysis of patient characteristics, indications for conversion, and timing.
  • Evaluation of early (morbidity, mortality) and midterm (survival) outcomes.

Main Results:

  • 22 patients (3.3%) underwent delayed open conversion, with indications including endoleaks and endotensions.
  • No 30-day mortality was observed.
  • Estimated survival rates at 1, 2, 3, 4, and 5 years were 96%, 91%, 86%, 79%, and 57%, respectively.

Conclusions:

  • Delayed open conversion after EVAR is a safe procedure with favorable short- and mid-term outcomes.
  • Open conversion remains a viable option for patients experiencing EVAR failure, provided careful preoperative assessment.