Why the study?
Does implantation of polytetrafluoroethylene-covered stents improve angiographic patency in patients with recurrent restenosis of aorto-ostial lesions?
Does implantation of polytetrafluoroethylene-covered stents improve angiographic patency in patients with recurrent restenosis of aorto-ostial lesions?
Polytetrafluoroethylene-covered stents may be a viable treatment option for recurrent in-stent restenosis in aorto-ostial lesions after failure of drug-eluting stents.
Suggests covered stents may aid aorto-ostial restenosis after DES failure; hypothesis-generating and requires prospective trials.
We describe three cases of aorto-ostial lesions with recurrent restenosis after multiple modalities of percutaneous treatment, including sirolimus-eluting stent implantation in all cases and intravascular brachytherapy in one case. In-stent restenosis was successfully managed with polytetrafluoroethylene-covered stents. Six-month angiographic follow-up documented complete patency of the target segment in all patients.
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Gagnor et al. (2008) studied this question.
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