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Performing coronary angiography in very older patients can prove a challenge due to vessels calcification and torturousity. Manipulation of coronary catheters to engage the artery ostium may result in over twisting and can result in complications ranging from a minor 'kink' to a complex 'knot'. The authors describe a novel method to retrieve the complex twisted coronary catheter using snare technique, after usual steps to remove the coronary catheter failed.

Transfemoral contralateral technique to retrieve knotted coronary artery catheter using Amplatz Goose Neck snare catheter