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. 2019 Nov 19;19(1):137–146. doi: 10.3892/etm.2019.8219

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Copyright: © Xu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 1. — Outline of the study procedures. Patients with UA or STEMI underwent PCI performed according to the standard techniques and using 1 of 2 strategies: i) PCI with nicorandil IC bolus injection before PTCA or ii) PCI followed by the same volume of 0.9% saline IC bolus injection before PTCA. PCI, percutaneous coronary intervention; PTCA, percutaneous transluminal coronary angioplasty; UA, unstable angina; STEMI, ST-elevated myocardial infarction.