ArticleJVS-vascular science2026
Analysis of cutting ballon versus plain balloon dilatation after electrified wire in situ fenestration.
Article in JVS-vascular science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- The Impact of Laser Energy Levels on In Situ Fenestrations of Aortic Stent Grafts: An On-Bench Study.Bioengineering (Basel, Switzerland) · 2026Article
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Objective: Electrified wire in situ fenestration (EW-ISF) has been recently described both in vivo and in vitro as a feasible alternative to laser ISF to address complex aortic pathologies in emergency situations. However, no data are currently available regarding the preferred dilatation method after puncture. The aim of this paper was to compare two established schemes of fenestration dilation after an EW-ISF setting. Methods: A total of 72 EW-ISFs were performed in 4 commercially available endografts: Zenith Alpha (n = 20), RelayPro (n = 20), Endurant IIs (n = 20), and Valiant Captivia (n = 12). In group A, fenestrations were sequentially dilatated with a 2-mm and a 6-mm plain balloon dilatation (PBD). In group B, fenestrations were dilatated with a 2-mm PBD, a 4-mm cutting balloon, and a 6-mm PBD. Postdilatation fenestration morphological features were analyzed, and diameters and surface were measured after dilatation and after 24 hours to assess the relative fabric elastic recoil. For each graft, in both group one bridging stent (BS) was implanted and its caliber measured with intravascular ultrasound. Results: In both the Zenith and the Endurant, group B showed more tearing ( Conclusions: Both cutting balloon dilatation and PBD are feasible and comparable after EW-ISF in the in the RelayPro and the Zenith grafts. Cutting balloon provides more ideal fenestration dimensions in the Endurant IIs and might be preferred. It determines excessive damages in the monofilament graft and should, therefore, be avoided. Clinical Relevance: Electrified wire in situ fenestration is an emerging, low-cost alternative for urgent aortic branch revascularization, but optimal postfenestration dilation remains undefined. This study provides practical guidance on balloon selection according to graft fabric. Cutting balloons may improve fenestration enlargement and reduce the risk of bridging stent stenosis in multifilament grafts such as Endurant IIs, while causing excessive damage in monofilament devices. Tailoring dilation strategy to graft type may enhance safety, durability, and procedural success in emergency endovascular aortic repair.
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