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Figure 2 Flow chart of spasm provocative testing before percutaneous coronary intervention and at follow-up in a group of 20 patients treated with balloon angioplasty alone (A) and in a group of 25 patients treated with intracoronary stenting (B). *Twenty patients with spasm induced at a site different from the initial stenosis in the dilated vessel on follow-up provocation, including seven patients with spasm induced at the edge of the implanted stent.
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