Key result
Rotational atherectomy successfully ablated underexpanded stent struts in a patient with severe in-stent restenosis, maintaining stent patency without restenosis at 8-year follow-up.
Case Report (n=1)
No
Reports a case of using rotational atherectomy for stent strut ablation to treat severe calcified in-stent restenosis.
Offers a potential bailout for calcified in-stent restenosis; single-case data leave open questions of reproducibility and safety.
The widespread use of bare metal stents as from 1995 led to the appearance of a new entity called in-stent restenosis, and the severe concomitant calcification of the vessels is a challenge for the interventional cardiologist. In this scenario, rotational atherectomy has rised as a therapeutic rescue approach to manage this situation, using trephines to eliminate the underexpanded and non-expandable coronary stents. However, comprehensive data on the long-term efficacy or results of the procedures have not been published yet. We report a case of rotational atherectomy in stent restenosis, followed by percutaneous coronary intervention with implantation of a new stent to treat a calcified in-stent lesion.
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Rocha et al. (2020) conducted a case report in In-stent restenosis (n=1). Rotational atherectomy (Rotablator™) was evaluated on Long-term stent patency and absence of restenosis. Rotational atherectomy successfully ablated underexpanded stent struts in a patient with severe in-stent restenosis, maintaining stent patency without restenosis at 8-year follow-up.
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