The primary objective of this study is to evaluate the success of lesion preparation with either rotational atherectomy or cutting/scoring balloons as well as the long term effects of a hybrid sirolimus-eluting stent in an angiographically well-defined group of patients with complex calcified coronary lesions.
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Strategy Success
Timeframe: Intraprocedural
In-Stent late lumen loss at 9 months
Timeframe: 9 months