Usefulness of the twin guidewire method during retrieval of the broken tip of a microcatheter entrapped in a heavily calcified coronary artery.


During percutaneous coronary intervention performed for a stenotic lesion with heavy calcification in the left coronary artery, the microcatheter tip became transected in the vessel. The fragment was successfully retrieved using the twin guidewire method after negotiating to cross a chronic total occlusion-dedicated guidewire outside the retained tip. 
DOI: 10.1016/j.carrev.2018.02.012


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