Percutaneous intervention in chronic total coronary occlusions caused by in-stent restenosis: procedural results and long-term clinical outcomes in the TORO (Spanish registry of chronic TOtal occlusion secondary to an occlusive in-stent RestenOsis) multicentre registry

José M. de la Torre Hernandez1*, MD, PhD; José R. Rumoroso2, MD; Asier Subinas2, MD, PhD; Nieves Gonzalo3, MD, PhD; Soledad Ojeda4, MD, PhD; Manuel Pan4, MD, PhD; Victoria Martín Yuste5, MD, PhD; Alfonso Suárez6, MD; Felipe Hernández7, MD; Luis Teruel8, MD; José Moreu9, MD; José M. Cubero10, MD, PhD; José D. Cascón11, MD, PhD; Hugo Vinhas12, MD; Íñigo Lozano13, MD, PhD; Javier Martin Moreiras14, MD, PhD; Armando Pérez de Prado15, MD, PhD; Javier Goicolea16