Key result
PTFE-covered stent seals coronary perforation with spontaneous late recanalization of the occluded side branch.
Why the study?
Late spontaneous recanalization of a side branch occluded by a PTFE-covered stent after coronary perforation has not been previously described.
Case Report (n=1)
This case report provides the first evidence of late spontaneous recanalization of a side branch occluded by a PTFE-covered stent used to treat coronary perforation.
Side branch occlusion by PTFE-covered stent may spontaneously recanalize late; hypothesis-generating and should not yet change practice.
Stenting of the right coronary artery stenosis caused coronary perforation and profound dye (blood) extravasation in a 69-year-old female patient. Instantaneous balloon inflation followed by implantation of a polytetrafluoroethylene- (PTFE-)covered stent sealed the coronary perforation, restored the blood flow, and perceivably caused acute occlusion of a large side branch (SB). The immediate in situ balloon inflation prevented the development of cardiac tamponade. Surprisingly, followup coronary angiography 4 and 11 months later showed spontaneous recanalization of the SB occluded by PTFE-covered stent. The SB was filled through a channel beginning at the end of the covered stent streaming retrogradely beneath it toward the SB ostium. Up to the best of our knowledge, this is the first described case of late spontaneous recanalization of as SB occluded by a PTFE-covered stent.
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Y‐Hassan et al. (2011) conducted a case report in Coronary artery perforation (n=1). Polytetrafluoroethylene- (PTFE-)covered stent implantation was evaluated on Spontaneous recanalization of the occluded side branch. Implantation of a PTFE-covered stent sealed a coronary perforation but occluded a side branch, which demonstrated spontaneous late recanalization at 4 and 11 months follow-up.
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