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Figure 1 Absence of left anterior descending coronary artery (LAD) restenosis after percutaneous transluminal coronary angioplasty (PTCA) at six-month follow-up angiography in Patient no. 8 (see Table 1). Severe LAD stenosis (upper left panel) was successfully treated with PTCA and stent placement (upper middle panel). At the end of follow-up, angiography showed the absence of restenosis (upper right panel). Coronary flow velocity assessed by contrast-enhanced transthoracic echocardiography on the day before angiography increased from baseline (lower left panel) to post-adenosine administration (lower right panel), with a calculated coronary flow reserve of 3.6. The arrows indicate the PTCA site. CX = circumflex artery.
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