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. 2018 Aug 27;42(5):2628–2640. doi: 10.3892/ijmm.2018.3844

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Copyright: © Lin 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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At 4 weeks after ameroid constrictor implantation, coronary angiography was performed. (A) The Sham group underwent the surgical procedure without ameroid constrictor implantation, whereas in the Model and SM-DOO groups a 2.5-mm ameroid constrictor was implanted around the LAD to produce chronic myocardial ischemia. (B) Representative coronary angiographies from each group. No coronary stenosis was observed in the Sham group. No collateral vessel filling was observed in the Model group. In the SM-DOO group, collateral vessel filling was observed with distal filling of the LAD. (C) Assessment of the myocardial collateral grade revealed increased collateral vessel filling in the SM-DOO group. All values are presented as the mean ± standard deviation. ^##P<0.01 vs. Sham group; ^**P<0.01 vs. Model group. SM, Radix Salvia miltiorrhiza; DOO, Lignum Dalbergia odorifera volatile oil; LAD, left anterior descending artery.