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Angiography (left) and CT (middle and right) of chronic total occlusion lesions at the left anterior descending coronary artery (LAD) and right coronary artery (RCA). CT angiography can act as a less invasive alternative to Catheter angiography. Instead of a catheter being inserted into a vein or artery, CT angiography involves only the ...
Coronary angiography can visualize coronary artery stenosis, or narrowing of the blood vessel. The degree of stenosis can be determined by comparing the width of the lumen of narrowed segments of blood vessel with wider segments of adjacent vessel. [5] The coronary angiography is performed under local anaesthesia.
Percutaneous coronary intervention (PCI) is a minimally invasive non-surgical procedure used to treat narrowing of the coronary arteries of the heart found in coronary artery disease. [2] The procedure is used to place and deploy coronary stents , a permanent wire-meshed tube, to open narrowed coronary arteries.
The use of the Seldinger technique for visualizing the coronary arteries was described by Ricketts and Abrams in 1962 and Judkins in 1967. [11] [12] By the late 1960s, Melvin Judkins had begun work on creating catheters that were specially shaped to reach the coronary arteries to perform selective coronary angiography. His initial work involved ...
An alternative to open heart surgery, percutaneous valve repair is performed on the mitral valve using the MONARC system or MitraClip system [7] Coronary thrombectomy Coronary thrombectomy involves the removal of a thrombus (blood clot) from the coronary arteries. [8] Open heart surgery of the heart is performed by a cardiothoracic surgeon ...
Angiography, which involves injecting a dye into your blood vessel to help doctors see obstructions with X-rays or computed tomography (CT) scans. Coronary calcium scan, a type of CT scan that ...