Interventions
IVUS Calcium Score
IVUS-based calcium score. A score of 2 or more identifies lesions at risk of stent underexpansion that benefit from calcium modification.
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Criteria
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Total score
0
Lower underexpansion risk
Score 0–1
Decision guide
Low risk of stent underexpansion: standard predilatation with compliant or non-compliant balloons. Cutting/scoring balloons are reasonable for focal calcium.
Ranges: 0–1 Lower underexpansion risk2–4 High underexpansion risk
References
- Zhang M, et al. Intravascular ultrasound-derived calcium score to predict stent expansion in severely calcified lesions. Circ Cardiovasc Interv 2021;14:e010296.
- Riley RF, et al. SCAI expert consensus statement on the management of calcified coronary lesions. J Soc Cardiovasc Angiogr Interv 2024;3:101259.
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