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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% …
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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