Hong et al identified findings on intravascular ultrasound (IVUS) associated with restenosis of a sirolimus-eluting stent. The authors are from the University of Ulsan in Korea and the Cardiovascular Research Foundation in New York City.
Patient selection: sirolimus-eluting stent
Parameters:
(1) post-procedural minimum stent area in square millimeters
(2) stent length in mm
Minimum Stent Area
Stent Length
Percent with Restenosis
>= 5.5 square mm
<= 40 mm
0.4%
>= 5.5 square mm
> 40 mm
8.6%
< 5.5 square mm
<= 40 mm
2.4%
< 5.5 square mm
> 40 mm
17.7%
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