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Inner-branched aortic stent grafts show high technical success (100%) for complex aortic pathologies. Early outcomes are acceptable, with 1-year survival at 95% and moderate re-intervention rates.

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Area of Science:

  • Vascular Surgery
  • Endovascular Interventions
  • Aortic Disease Management

Background:

  • Inner-branch aortic stent grafts offer broad applicability for complex aortic pathologies.
  • Stable bridging stent sealing is a key advantage over other endovascular technologies.

Purpose of the Study:

  • To evaluate early outcomes of custom-made and off-the-shelf inner-branched endografts.
  • Assess the feasibility in a mixed patient cohort with complex aortic conditions.

Main Methods:

  • Retrospective, monocentric study (2019-2022) of 44 patients treated with inner-branched aortic stent grafts (iBEVAR).
  • Included custom-made devices (CMD) and off-the-shelf (E-nside) grafts with at least four inner branches.
  • Primary endpoints: technical and clinical success.

Main Results:

  • 100% technical success and 99% target vessel success.
  • No in-hospital mortality; 6.8% permanent paraplegia.
  • 1-year survival 95%, 98% branch patency; 13.6% re-intervention rate.

Conclusions:

  • Inner-branch aortic stent grafts are a feasible option for complex aortic pathologies (elective and urgent).
  • High technical success and acceptable short-term outcomes observed.
  • Moderate re-intervention rates are comparable to existing platforms; long-term outcomes require further evaluation.