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Early Experience with the New Ovation Alto Stent Graft in Endovascular Abdominal Aortic Aneurysm Repair. | LitMetric

AI Article Synopsis

  • The Ovation Alto endograft system, introduced after CE Mark approval in 2020, features a newly positioned sealing ring for improved endovascular aneurysm repair outcomes.
  • In a study involving 11 male patients with an average age of 75, the procedures showed no complications, with successful technical results and minimal blood loss and procedure time.
  • Follow-ups at one and six months revealed 100% clinical success, with no adverse events, indicating promising early results but highlighting the need for further research on long-term durability.

Article Abstract

Introduction: Since 2010, the Ovation Abdominal Stent Graft System has offered a new sealing concept, achieved by a sealing ring filled with polymer 13 mm from the renal arteries. In the latest version, called Ovation Alto, the sealing ring is relocated 6 mm closer to the top of the fabric. This study describes the early clinical outcomes, after CE Mark approval in August 2020, of endovascular aneurysm repair with the Alto endograft.

Report: Eleven patients underwent endovascular aneurysm repair with implantation of Ovation Alto endografts. All patients were male, and the median age was 75 (IQR 5.5) years. Hostile proximal aortic neck (<10 mm) was identified in six cases (54.5%). All procedures were performed using bilateral percutaneous approaches with no groin complications. The median procedure time was 58 (IQR 7.2) minutes, the median contrast volume used was 65 (IQR 4.2) mL, and the median blood loss 40 (IQR 12.4) mL. Technical success was achieved in all cases. The median stent graft landing distance between the top of the fabric and the lowest renal artery was 1.4 (IQR 0.8) mm. No intra-operative high flow endoleaks were registered. At one and six month follow up, there was 100% clinical success (no type I/III endoleak, sac enlargement, stent graft migration, polymer leakage, abdominal aortic aneurysm related mortality, or secondary intervention).

Discussion: Initial experience confirms the early technical and clinical success of the new Ovation Alto stent graft. Technical modifications to the endograft could allow for accommodation of a more comprehensive range of anatomies on label. Further studies are needed to evaluate long term durability outcomes.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8671859PMC
http://dx.doi.org/10.1016/j.ejvsvf.2021.11.003DOI Listing

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