PMC3915998_01
Right coronary artery with marked stenosis (LAO 45 CRAN 0)
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The dominant right coronary artery (RCA) was stenosed in the proximal segment with a highly calcified lesion (Figure 1), and the distal segments were stenosed to 30-40%.
Damaged rotational atherectomy catheter. The place of burr detachment is marked by an arrow (LAO 45 CRAN 0)
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The flow through the artery was preserved, though (Figure 2).
Coronary balloon dilatated distally to the burr before it was brought back to the guiding catheter (LAO 45 CRAN 0)
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After the balloon inflation it was withdrawn, along with the detached burr, to the guiding catheter (Figure 3).
Preserved flow in RCA after burr retrieval (LAO 45 CRAN 0)
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RX 1.25 mm x 6 mm and 2.0 mm x 10 mm failed. Repeated contrast injection showed preserved flow through the artery (Figure 4).