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A 43-year-old man presented with several months of effort angina. Angiography showed a totally occluded mid-portion obstruction of the right coronary artery (RCA) and very good collaterals from the left coronary artery, filling retrogradely the distal RCA (panel A). Multiple trials to cross the mid-RCA through an anterograde approach with various guide wires failed. Therefore, we finished the procedure and planned …
Competing interests: None declared.
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