CT coronary angiography (CTCA) is a non-invasive imaging test that uses a CT scan to look at the arteries of the heart. It helps doctors see if there are any blockages or narrowing in the coronary arteries. This test may be recommended if a patient has a long-standing, stable history of chest discomfort or pain, particularly when exerting themselves. The key advantages are:
- Detailed Imaging: CTCA provides clear images of the coronary arteries, helping detect even small narrowings or blockages.
- Non-Invasive: Unlike traditional coronary angiography, which requires inserting a catheter into the heart and may cause occasional complications, CTCA only requires an injection of contrast dye into a vein, making it much safer and more comfortable from a patient perspective.
- Quick and Accurate: The procedure is relatively quick and can accurately rule out coronary artery disease, helping avoid unnecessary invasive procedures and providing reassurance if the heart arteries are normal or only slightly narrowed.
Guidelines Recommending CTCA
- NICE Guidelines (UK) 2016: The National Institute for Health and Care Excellence recommends CTCA as the first-line test for people with stable chest pain if coronary artery disease is suspected.
- European Society of Cardiology (ESC): The ESC guidelines from 2024 also recommend CTCA for patients with stable chest pain, especially when there's an intermediate likelihood of coronary artery disease.
- Overall, CTCA is preferred in many cases of patients with long-standing, stable chest pain because it' is effective, safe, and less invasive compared to traditional methods.
