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Original research
Mechanical thrombectomy with the ERIC retrieval device: initial experience
  1. Hélène Raoult1,
  2. Hocine Redjem2,
  3. Romain Bourcier3,
  4. Alina Gaultier-Lintia3,
  5. Benjamin Daumas-Duport3,
  6. Jean-Christophe Ferré1,
  7. François Eugène1,
  8. Robert Fahed2,
  9. Bruno Bartolini2,
  10. Michel Piotin2,
  11. Hubert Desal3,
  12. Jean-Yves Gauvrit1,
  13. Raphaël Blanc2
  1. 1Department of Neuroradiology, University Hospital of Rennes, Rennes, France
  2. 2Department of Interventional and Functional Neuroradiology, Rothschild Foundation Hospital, Paris, France
  3. 3Department of Neuroradiology, University Hospital of Nantes, Nantes, France
  1. Correspondence to Dr Hélène Raoult, Department of Neuroradiology, University Hospital of Rennes, 2 rue Henri Le Guilloux, Rennes 35000, France; helene.raoult{at}chu-rennes.fr

Abstract

Objective To report our experience with the Embolus Retriever with Interlinked Cage (ERIC) stentriever for use in mechanical endovascular thrombectomy (MET).

Methods Thirty-four consecutive patients with acute stroke (21 men and 13 women; median age 66 years) determined appropriate for MET were treated with ERIC and prospectively included over a 6-month period at three different centers. The ERIC device differs from typical stentrievers in that it is designed with a series of interlinked adjustable nitinol cages that allow for fast thrombus capture, integration, and withdrawal. The evaluated endpoints were successful revascularization (Thrombolysis in Cerebral Infarction (TICI) 2b–3) and good clinical outcomes at 3 months (modified Rankin Scale (mRS) 0–2).

Results Locations of the occlusions included the middle cerebral artery (13 patients), terminal carotid artery (11 patients), basilar artery (1 patient), and tandem occlusions (9 patients). IV thrombolysis was performed in 20/34 (58.8%) patients. Median times from symptom onset to recanalization and from puncture to recanalization were 325.5 min (180–557) and 78.5 min (14–183), respectively. Used as the first-line device, ERIC achieved a successful recanalization in 20/24 (83.3%) patients. Successful recanalization was associated with lower National Institutes of Health Stroke Scale scores at 24 h (8±6.5 vs 21.5±2.1; p=0.008) and lower mRS at 3 months (2.7±2.1 vs 5.3±1.1; p=0.04). Three procedural complications and four asymptomatic hemorrhages were recorded. Good clinical outcomes at 3 months were seen in 15/31 (48.4%) patients.

Conclusions The ERIC device is an innovative stentriever allowing fast, effective, and safe MET.

  • Device
  • Stroke
  • Thrombectomy

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