Branch vessel occlusion in aneurysm treatment with flow diverter stent

Branch vessel occlusion in aneurysm treatment with flow diverter stent

Authors

  • Sophia Hohenstatt Operative Unit of Radiology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy. Via Francesco Sforza 35, 20122, Milano, Italy.
  • Antonio Arrichiello Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Milan, Italy Via Festa del Perdono 7, 20122, Milan, Italy
  • Giorgio Conte Operative Unit of Neuoradiology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy. Via Francesco Sforza 35, 20122, Milano, Italy
  • Giuseppe Craparo Neuroradiology Unit, ARNAS CIVICO, Palermo, Italy
  • Ferdinando Caranci Department of Diagnostic Radiology and Radiotherapy, Federico II University of Naples, Naples, Italy
  • Alessio Angileri Operative Unit of Radiology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy. Via Francesco Sforza 35, 20122, Milano, Italy.
  • Daniel Levi Casa di Cura Le Betulle. Viale Italia 36, 22070. Appiano Gentile (Como) Italia
  • Gianpaolo Carrafiello Operative Unit of Radiology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy. Via Francesco Sforza 35, 20122, Milano, Italy. Department of Health Sciences, Università degli Studi di Milano, Milan, Italy. Via Festa del Perdono 7, 20122, Milan Italy
  • Aldo Paolucci Operative Unit of Neuoradiology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy. Via Francesco Sforza 35, 20122, Milano, Italy

Keywords:

aneurysm, branch vessel, patency, Side branches occlusion, flow diversion, flow diverter stent

Abstract

Flow diverter placement for treatment of intracranial aneurysms gained growing consensus in the past years. A major concern among professionals is the side branch coverage which leads in some cases to vessel occlusion. However, the lost vessel patency only infrequently is accompanied by a new onset of neurological deficits secondary to ischaemic lesions. A retrospective analysis of all patients treated with flow diversion at our hospital was aimed to better understand this phenomenon in order to formulate a hypothesis about the causes. We concluded that vessel occlusion occurs due to a reduced blood pressure gradient in those vessels with a strong collateral or anastomotic vascularization that refurnishes the same distal vascular territories. Indeed, we detected no new brain infarction since blood flow was always guaranteed.

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Published

23-09-2020

How to Cite

1.
Branch vessel occlusion in aneurysm treatment with flow diverter stent . Acta Biomed [Internet]. 2020 Sep. 23 [cited 2024 Jun. 15];91(10-S):e2020003. Available from: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/10283

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