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New devices and technologies
First clinical multicenter experience with the new Scepter Mini microballoon catheter
  1. Dominik F Vollherbst1,
  2. René Chapot2,
  3. Marta Wallocha2,
  4. Isil Saatci3,
  5. Saruhan Cekirge3,
  6. Aymeric Rouchaud4,
  7. Charbel Mounayer4,
  8. Naci Kocer5,
  9. Osman Kizilkilic5,
  10. Nader A Sourour6,
  11. Eimad Shotar6,
  12. Marios N Psychogios7,
  13. Alex Brehm7,
  14. Martin Bendszus1,
  15. Markus A Möhlenbruch1
  1. 1Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
  2. 2Neuroradiology, Alfried Krupp Krankenhaus Ruttenscheid, Essen, Germany
  3. 3Radiology, Koru Hospital, Ankara, Turkey
  4. 4Department of Radiology, Centre Hospitalier et Universitaire Dupuytren, Limoges, France
  5. 5Department of Radiology, Istanbul University, Cerrahpasa Medical Faculty, Istanbul, Turkey
  6. 6Department of Neuroradiology, Pitie-Salpetriere Hospital, Paris, France
  7. 7Department of Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland
  1. Correspondence to Dr Markus A Möhlenbruch, Department of Neuroradiology, Heidelberg University Hospital, 69120 Heidelberg, Germany; markus.moehlenbruch{at}med.uni-heidelberg.de

Abstract

Background Balloon-assisted techniques can improve the endovascular treatment of cerebrospinal vascular malformations. The aim of this study was to report the first clinical multicenter experience with the new Scepter Mini dual-lumen microballoon catheter.

Methods Patients with cerebral or spinal vascular malformations treated with the Scepter Mini at seven European neurovascular centers were retrospectively reviewed. Clinical data, angiographic features of the vascular malformations, procedural parameters including the type of application, navigability, technical failures, complications and embolization success were assessed.

Results The usage of 34 Scepter Mini microballoon catheters in 20 patients was analyzed. Most treated malformations (80.0%) were cerebral arteriovenous malformations. Four different applications were reported: embolization via Scepter Mini (n=23, 67.6%), balloon-occlusion with simultaneous embolization via a second microcatheter (n=3, 8.8%), diagnostic angiography with simultaneous balloon-inflation for flow arrest (n=4, 11.8%), and navigation support (n=4, 11.8%). The mean diameter of the blood vessels in which the Scepter Mini was inflated was 1.9±0.5 mm. The navigability of the Scepter Mini was rated as ‘easy’ or ‘very easy’ in 88.2% of cases. Complete occlusion of the malformation was achieved in 60.9% of cases. Technical failures occurred in 4/23 embolization procedures, and all were related to insufficient stability of the balloon within the vessel. No complications related to the Scepter Mini were observed, while unrelated complications occurred in three patients (15.0%).

Conclusions The Scepter Mini is a promising new device for balloon-assisted embolization of cerebrospinal vascular malformations via small feeders. Beyond embolization, the Scepter Mini can also be used for other applications, such as superselective flow arrest and navigation support.

  • arteriovenous malformation
  • balloon
  • catheter
  • liquid embolic material
  • vascular malformation

https://doi.org/10.1136/neurintsurg-2020-016115

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    Footnotes

    • Contributors All listed authors contributed to the work. DFV, MM and MB acquired, analyzed and interpreted data for the work; designed the study; drafted the manuscript and approved the final manuscript. RC, MW, IS, SC, AR, CM, NK, OK, NAS, ES, MNP and AB acquired and analyzed data for the work and approved the final manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests DFV has received travel support outside this work from MicroVention and Stryker GmbH & Co. KG. IS is a consultant for Medtronic and Microvention outside of this work. SC is a shareholder of Vesalio and a consultant for Medtronic, and MicroVention outside of this work and is a stockholder in ELUM and NDI. NK is a consultant for MicroVention and Medtronic (consultant and proctorship agreement) outside of this work and received payments for lectures from MicroVention outside of this work. NAS is a consultant for Medtronic, Balt Extrusion, Microvention, Stock/Stock Options: Medina. MNP reports travel grants and speaker’s honoraria from Stryker Neurovascular, Phenox, Penumbra, Acandis, and Siemens outside of this work. MB reports board membership: DSMB Vascular Dynamics; consultancy: Roche, Guerbet, Codman; grants/grants pending: DFG, Hopp Foundation, Novartis, Siemens, Guerbet, Stryker, Covidien; payment for lectures (including service on speakers bureaus): Novartis, Roche, Guerbet, Teva, Bayer, Codman; MM has received consulting honoraria, speaker honoraria, and travel support outside this work from Codman, Covidien/Medtronic, MicroVention, Phenox, and Stryker.

    • Patient consent for publication Not required.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Data availability statement All data relevant to the study are included in the article or uploaded as supplementary information.