Which statement about intravascular imaging in calcified lesions is true?

Which statement about intravascular imaging in calcified lesions is true?

• A. It helps guide decisions about device choice
• B. It increases contrast load without benefit
• C. It has no role in calcified lesions
• D. It replaces angiography entirely

Answer: (A)

In calcified lesions, the amount, distribution, and thickness of calcium directly affect how well a stent will expand and seal. Intravascular imaging with IVUS or OCT provides detailed cross-sectional views of the vessel, showing calcium arc, thickness, location, and the true reference vessel size. This information lets you tailor device selection: choosing the appropriate stent diameter and length, anticipating whether calcium modification is needed, and planning the most effective plaque-modification strategy (like atherectomy or lithotripsy) before deploying a stent. Imaging also helps confirm after deployment that the stent is fully expanded and well apposed, guiding any further optimization. It adds valuable guidance beyond what angiography alone can show. It does not replace angiography, and it does not merely increase contrast load without benefit.

In calcified lesions, the amount, distribution, and thickness of calcium directly affect how well a stent will expand and seal. Intravascular imaging with IVUS or OCT provides detailed cross-sectional views of the vessel, showing calcium arc, thickness, location, and the true reference vessel size. This information lets you tailor device selection: choosing the appropriate stent diameter and length, anticipating whether calcium modification is needed, and planning the most effective plaque-modification strategy (like atherectomy or lithotripsy) before deploying a stent. Imaging also helps confirm after deployment that the stent is fully expanded and well apposed, guiding any further optimization. It adds valuable guidance beyond what angiography alone can show. It does not replace angiography, and it does not merely increase contrast load without benefit.