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. 2018 Jul 16;5(2):e000810. doi: 10.1136/openhrt-2018-000810

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© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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The effect of GOODCOLL versus POORCOLL on LVEF, LVEDV and scar at 4 months. LVEF, LVEDV and scar at 4- month follow-up in the total population, comparing GOODCOLL (well-developed collaterals to the CTO) and POORCOLL (poorly developed collaterals to the CTO) (first two upper panels) and the total amount of scar, amount of scar in the culprit vessel area and CTO vessel area in patients with GOODCOLL and POORCOLL (lower panel). CMR, cardiac magnetic resonance imaging; CTO, coronary chronic total occlusion; LVEDV, left ventricular end-diastolic volume (mL); LVEF, left ventricular ejection fraction (%).