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  • Single-center experience with the Tigertriever device for the recanalization of large vessel occlusions in acute ischemic stroke

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Ischemic Stroke
Original research
Single-center experience with the Tigertriever device for the recanalization of large vessel occlusions in acute ischemic stroke
  1. Batuhan Kara1,
  2. Hatem Hakan Selcuk2,
  3. Aysun Erbahceci Salik2,
  4. Hasanagha Zalov2,
  5. Omer Yildiz2,
  6. Gunay Gul3,
  7. Bedih Balkan4
  1. 1 Radiology, Dr Sadi Konuk Research and Teaching Hospital, Istanbul, Turkey
  2. 2 Department of Radiology, Bakirkoy Dr Sadi Konuk Research and Training Hospital, Istanbul, Turkey
  3. 3 Department of Neurology, Bakirkoy Prof. Dr Mazhar Osman Psychiatry and Neurology Research and Training Hospital, Istanbul, Turkey
  4. 4 Department of Anesthesiology, Bakirkoy Dr Sadi Konuk Research and Training Hospital, Istanbul, Turkey
  1. Correspondence to Dr. Batuhan Kara, Department of Radiology, Division of Neuroradiology, Research and Training Hospital, Istanbul 34170, Turkey; kara_batuhan{at}yahoo.com

Abstract

Background Tigertriever (Rapid Medical, Yoqneam, Israel) is a new design of stent retriever.

Purpose To evaluate the feasibility, safety, and efficacy of the Tigertriever in patients with acute ischemic stroke who have undergone mechanical thrombectomy.

Materials and methods Two different techniques—namely, standard unsheathing (SUT) and repetitive inflation-deflation (RID) techniques, were used. Modified Thrombolysis in Cerebral Infarction (mTICI) scores of 2b and 3 were considered as successful recanalization.

Results A total of 61 thrombectomy procedures with Tigertriever were retrospectively evaluated. The mean age of patients was 60.7 years and their National Institutes of Health Stroke Scale score was 14.7. Overall, the percentage of patients with a mTICI score of 0, 2b, and 3 was 24.6, 26.2, and 49.2, respectively. Successful recanalization and first-pass success rates were 75.4% and 37.7%, respectively. There were no statistical differences between the results of the SUT and RID techniques. No vessel rupture, dissection, or device detachment was observed. The number of patients with a good clinical outcome (modified Rankin Scale score 0–2) was 17 (27.9%).

Conclusion Our results showed that the Tigertriever device is safe and efficient for mechanical thrombectomy.

  • stroke
  • thrombectomy

https://doi.org/10.1136/neurintsurg-2018-014196

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    Footnotes

    • B.K., H.H.S, AES, HZ, OY, GG and BB contributed equally.

    • Contributors BK contributed to the study design and manuscript writing. HHS was responsible for data analysis and manuscript writing. AE contributed to manuscript writing. HZ and OY collected the data. GG evaluated the neurological status of the patients at the third month. BB collected the data and contributed to data analysis.

    • 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 None declared.

    • Patient consent Patient/guardian consent obtained.

    • Ethics approval Bakirkoy Dr Sadi Konuk Egitim ve Arastirma Hastanesi.

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