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. 2022 Jul 15;9:938634. doi: 10.3389/fmed.2022.938634

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Copyright © 2022 Hu, Lu, Pan, Zhang, Wa, Qu and Bai.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flow chart of patient cohorts. V-A ECMO, veno-arterial extracorporeal membrane oxygenation; DPC, distal perfusion cannula; LI, limb ischemia complications group; nLI, non-limb ischemia complications group.