This document summarizes data from the Euro CTO Registry from 2008-2013. It includes: - Growth in registry membership and procedures logged from 2008-2013. - High angiographic success rates between 85-87% over the years. - A shift from more antegrade to combined antegrade and retrograde procedures. - Operators became more experienced over time, with fewer having low volumes. - Retrograde procedures showed higher risks of major adverse cardiac events at 24 month follow up compared to antegrade procedures.