An Institutional Perspective on the Number of Stent Retriever Pass and Rate of Recanalization in Mechanical Thrombectomy for Acute Ischemic Stroke: When to Stop?
Research papers
Bheru Dan Charan
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
https://orcid.org/0009-0002-8711-2023
Shailesh B Gaikwad
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
Savyasachi Jain
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
Ajay Garg
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
Leve Joseph Devarajan Sebastian
Department of Neuroimaging & Interventional Neuroradiology, All India Institute of Medical Sciences, New Delhi, India
MV Padma Srivastava
Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
Rohit Bhatia
Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
Awadh Kishore Pandit
Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
Shashank Sarad Kale
Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
Published 2024-05-22
https://doi.org/10.15388/Amed.2024.31.1.11
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Keywords

Recanalization
ischemic stroke
Mechanical thrombectomy

How to Cite

1.
Bheru Dan Charan, Gaikwad SB, Jain S, Garg A, Devarajan Sebastian LJ, Srivastava MP, et al. An Institutional Perspective on the Number of Stent Retriever Pass and Rate of Recanalization in Mechanical Thrombectomy for Acute Ischemic Stroke: When to Stop?. AML [Internet]. 2024 May 22 [cited 2024 Nov. 21];31(1):35-40. Available from: https://journals.vu.lt./AML/article/view/33672

Abstract

Background and purpose: Mechanical thrombectomy is the standard treatment modality for flow restoration in acute ischemic stroke. In cases of persistent occlusion, the optimal number of retrieval attempts before considering procedure termination is currently undetermined and is a topic for research. Therefore in this study, we studied the impact of the number of stent retrieval maneuvers on the recanalization of vessels.
Methods: In this retrospective single-center observational study we included 52 patients with large vessel occlusion who underwent stent retriever mechanical thrombectomy. Successful recanalization rate was defined as modified TICI (Thrombolysis in Cerebral Infarction) 2b or 3.
Result: The overall successful recanalization rate was 44.24%. The recanalization rate per stent retrieval attempt was the highest in 1st attempt (28.84%) and no recanalization was observed with the 3rd, 5th, and 6th attempts (p<0.001). At most 6 retrieval attempts were used.
Conclusions: After two retrieval attempts, 91% of the patients were successfully recanalized and other after the 5th attempt could not result in recanalization.

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