Telescoping Technique to Engage Left Main Coronary Artery in
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This article presents a case of a geriatric male with a giant ascending aortic aneurysm (AAA) who underwent successful coronary angiography using the telescoping technique for evaluation his coronary arteries before surgery for AAA. Since the ascending aorta and root were extremely dilated, we knew it would not have been possible to engage the coronaries using regular catheters and standard technique. Hence, the telescopic technique was used. Amplatz left 3 (AL3) 7F (French) guide catheter (90 cm) was initially used, and nonselective injection of contrast was done to see the coronary ostium. After that, a 5F multipurpose catheter (110 cm) was telescoped through the 7F AL3 guide catheter to engage the ostium of the left main coronary artery. Using this technique, images of coronaries were obtained, and it showed minimal luminal irregularities in major epicardial coronary arteries. The patient underwent successful surgery with aortic valve replacement and excision of an aneurysm with graft placement.

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