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Response to: Correspondence on ‘Comparison of drug-coated balloon with conventional balloon for angioplasty in symptomatic intracranial atherosclerotic stenosis’ by Zhang et al
  1. Wenbo Liu1,
  2. Yao Tang2,3,
  3. Tianxiao Li2,3,
  4. Yingkun He2,3
  1. 1Cerebrovascular and Neurosurgery Department of Stroke Center, Zhengzhou University People’s Hospital, Zhengzhou, Henan, China
  2. 2Cerebrovascular and Neurosurgery Department of Interventional Center, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan, China
  3. 3Henan Provincial Neurointerventional Engineering Research Center, Henan International Joint Laboratory of Cerebrovascular Disease and Henan Engineering Research Center of Cerebrovascular Intervention, Zhengzhou, Henan, China
  1. Correspondence to Dr Yingkun He, Cerebrovascular and Neurosurgery Department of Interventional Center, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan, China; heyingkun{at}zzu.edu.cn

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We appreciate the comments on the definitions of technical success and restenosis in our recent study1 provided by Zhang et al,2 which prompted us to write this response for clarification.

In our article we defined technical success as ≤50% residual stenosis and restenosis as >50% stenosis, which have been previously reported in other studies.3 Also, as we know, stenosis >50% and absolute luminal loss >20% …

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Footnotes

  • Contributors WL drafted the letter. All authors collectively reviewed and refined the manuscript.

  • Funding (1) Henan Province Key Research and Development & Promotion Special (Science and Technology) Foundation (202102310037). (2) Key Scientific Research Projects of Colleges and Universities in Henan Province (21A320002). (3) Henan Young and Middle-Aged Health Science and Technology Innovation Talent Training Project (YXKC2020041). (4) Henan Medical Science and Technology Research Plan Provincial and Ministerial Youth Project (SBGJ202003004).

  • Competing interests None declared.

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

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