Jacc: cardiovascular interventions vol.16, no.9, 2023, may 8, 2023: 1109 - 1112 title: fenestration of a pk papyrus stent from an extraplaque space into the true lumen a 68-year-old man presented with recurrent instent restenosis of a saphenous vein graft to the right posterior descending artery (pda).The right coronary artery (rca) had an ostial chronic total occlusion (cto).Retrograde rca cto pci was attempted through the saphenous vein graft.A gaia next-3 (asahi intecc) wire punctured the distal cap at the pda/right posterolateral (rpla) bifurcation.A gladius mongo (asahi intec) wire was knuckled into the distal rca but exited the vessel architecture through a small branch, causing a perforation, emphasizing the importance of verification of the course of knuckles.A 3.0 × 15 mm pk papyrus (biotronik) stent was deployed retrogradely across the distal cap, sealing the perforation.The procedure was aborted.Cto pci was reattempted after 6 weeks with an excellent angiographic result.
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