Intracoronary imaging

Optical coherence tomography (OCT) and intravascular ultrasound (IVUS) are two imaging techniques used during cardiac catheterization to create detailed images of the inner walls of the coronary arteries. While OCT provides high-resolution, near-microscopic images for precise measurement of plaque composition and thickness, IVUS offers insights into the overall structure of the arterial walls and allows assessment of plaque distribution and vessel volume, which is used for planning stent implantations and assessing stenoses.

Interesting facts about intracoronary imaging

Do you have any questions about our heart and vascular examinations? Here you will find answers to frequently asked questions. If you have any further questions, please contact us here.

What are OCT and IVUS and how are they used?

OCT and IVUS are advanced imaging techniques used during cardiac catheterization to provide detailed images of the inside of the coronary arteries. OCT uses light waves to create high-resolution images of the arterial wall and plaque composition, while IVUS uses sound waves to visualize the structure of the arterial walls and the extent of deposits.

Why is OCT or IVUS used in cardiac catheterization?

These technologies are used to obtain more accurate information about the nature of deposits and the condition of the arterial walls, which are not always visible with conventional angiography techniques. They help cardiologists determine the need and type of treatment, especially when planning stent implantations or other interventional procedures.

How do I prepare for an OCT or IVUS examination?

The preparations for an OCT or IVUS examination are generally the same as for a normal cardiac catheterization. Patients should follow instructions regarding food intake, medication, and allergies and provide all relevant medical information to their cardiologist.

What are the advantages of OCT and IVUS over conventional procedures?

OCT and IVUS provide more precise and detailed images of the coronary arteries, allowing doctors to assess the exact location and severity of plaques. This accuracy is particularly valuable for planning and performing precise interventional procedures, such as stent placement, and can reduce the risk of complications.

Are there risks associated with using OCT or IVUS?

The risks associated with using OCT and IVUS are similar to those of standard cardiac catheterization and include potential blood vessel injuries, bleeding at the catheter entry site, and in rare cases, allergic reactions to the contrast agent used. In addition, both procedures require the insertion of additional instruments into the coronary arteries, which poses a slightly increased risk of vascular damage.

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