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  • Asciutto, GiuseppeUppsala universitet,Kärlkirurgi (author)

Intravascular ultrasound in the detection of bridging stent graft instability during fenestrated and branched endovascular aneurysm repair procedures : a multicentre study on 274 target vessels

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • Elsevier,2024
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-215761
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-215761URI
  • https://doi.org/10.1016/j.ejvs.2023.09.009DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-514616URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Objective: The use of intravascular ultrasound (IVUS) reduces contrast medium use and radiation exposure during conventional endovascular aneurysm repair (EVAR). The aim of this study was to evaluate the safety and efficacy of IVUS in detecting bridging stent graft (bSG) instability during fenestrated and branched EVAR (F/B-EVAR).Methods: This was a prospective observational multicentre study. The following outcomes were evaluated: (1) technical success of the IVUS in each bSG, (2) IVUS findings compared with intra-operative angiography, (3) incidence of post-operative computed tomography angiography (CTA) findings not detected with IVUS, and (4) absence of IVUS related adverse events. Target visceral vessel (TVV) instability was defined as any branch or fenestration issues requiring an additional manoeuvre or re-intervention. Any IVUS assessment that detected stenosis, kinking, or any geometric TVV issue was considered to be branch instability. All procedures were performed in ad hoc hybrid rooms.Results: Eighty patients (69% males; median age 72 years; interquartile range 59, 77 years) from four aortic centres treated with F/B-EVAR between January 2019 and September 2021 were included: 70 BEVAR (21 off the shelf; 49 custom made), eight FEVAR (custom made), and two F/B-EVAR (custom made), for a total of 300 potential TVVs. Two TVVs (0.7%) were left unstented and excluded from the analysis. The TVVs could not be accessed with the IVUS catheter in seven cases (2.3%). Furthermore, 17 (5.7%) TVVs could not be examined due to a malfunction of the IVUS catheter. The technical success of the IVUS assessment was 91.9% (274/298), with no IVUS related adverse events. Seven TVVs (2.5%) showed signs of bSG instability by means of IVUS, leading to immediate revisions. The first post-operative CTA at least 30 days after the index procedure was available in 268 of the 274 TVVs originally assessed by IVUS. In seven of the 268 TVVs (2.6%) a re-intervention became necessary due to bSG instability.Conclusion: This study suggests that IVUS is a safe and potentially valuable adjunctive imaging technology for intra-operative detection of TVV instability. Further long term investigations on larger cohorts are required to validate these promising results and to compare IVUS with alternative technologies in terms of efficiency, radiation exposure, procedure time, and costs.

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  • Ibrahim, AbdulhakimDepartment of Vascular and Endovascular Surgery, University Hospital Münster, Münster, Germany (author)
  • Leone, NicolaDepartment of Vascular Surgery, Ospedale Civile di Baggiovara, Azienda Ospedaliero-Universitaria di Modena, Università di Modena e Reggio Emilia, Modena, Italy (author)
  • Gennai, StefanoDepartment of Vascular Surgery, Ospedale Civile di Baggiovara, Azienda Ospedaliero-Universitaria di Modena, Università di Modena e Reggio Emilia, Modena, Italy (author)
  • Piazza, MicheleVascular and Endovascular Surgery Division, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Padua University, Padua, Italy (author)
  • Antonello, MicheleVascular and Endovascular Surgery Division, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Padua University, Padua, Italy (author)
  • Wanhainen, AndersUmeå universitet,Kirurgi,Division of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; Department of Surgical and Peri-operative Sciences, Surgery, Umeå University, Umeå, Sweden.(Swepub:umu)anwa3224 (author)
  • Mani, KevinUppsala universitet,Kärlkirurgi(Swepub:uu)kevma940 (author)
  • Lindström, DavidUppsala universitet,Kärlkirurgi(Swepub:uu)davli314 (author)
  • Struk, LisaDepartment of Vascular and Endovascular Surgery, University Hospital Münster, Münster, Germany (author)
  • Oberhuber, AlexanderDepartment of Vascular and Endovascular Surgery, University Hospital Münster, Münster, Germany (author)
  • Uppsala universitetKärlkirurgi (creator_code:org_t)

Related titles

  • In:European Journal of Vascular and Endovascular Surgery: Elsevier67:1, s. 99-1041078-58841532-2165

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