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Narrative review discusses calcium-modifying balloons for PCI in calcified coronary diseaseReview of calcium-modifying balloons for treating calcified coronary artery disease

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Key Takeaway
Consider calcium-modifying balloons as versatile tools for calcified lesions, tailored to lesion morphology and imaging guidance.

This narrative review focuses on the application of calcium-modifying dedicated balloons, such as scoring, cutting, and ultra-high-pressure balloons, within the setting of percutaneous coronary intervention (PCI) for patients with calcified coronary lesions. The authors examine the utility of these devices as both first-line options and complementary tools alongside other mechanical debulking techniques like intravascular lithotripsy or atherectomy. The text highlights that successful outcomes are tightly linked to careful lesion selection, specific procedural techniques, and the use of intravascular imaging guidance.

The authors argue that a pragmatic strategy involves an individualized, integrated, and morphology-tailored multimodality approach rather than relying on a single device type. They emphasize that the versatility of these balloons allows them to fit into various procedural workflows depending on the specific anatomical challenges presented by the patient's coronary anatomy.

The review notes that while these devices provide predictable strategies, the evidence does not report specific adverse events, discontinuations, or pooled effect sizes. Consequently, the authors recommend caution in interpreting the data as definitive proof of superiority over other methods without further comparative trials. The practice relevance remains focused on the need for tailored approaches rather than universal adoption.

This narrative review looked at calcium-modifying dedicated balloons, including scoring balloons, cutting balloons, and ultra-high-pressure balloons. These tools are used during percutaneous coronary intervention (PCI) to help treat calcified coronary lesions, which are hardened areas in the heart's arteries. The study population consisted of patients with these specific calcified lesions, though the sample size was not reported as this was a review of existing information rather than a new experiment.

The main results indicate that these balloons provide versatile strategies for managing calcified disease. They can be used effectively as a first-line treatment or as a complementary tool alongside other procedures like intravascular lithotripsy or atherectomy. The review notes that how well the device works depends heavily on selecting the right lesion, using the correct procedural technique, and having guidance from intravascular imaging.

No specific adverse events, serious safety concerns, or discontinuations were reported in this review, as it did not track new patient outcomes. The main reason to be careful is that device performance is tightly linked to specific procedural details and lesion selection. Readers should take from this that an individualized, integrated, and morphology-tailored multimodality approach remains the most pragmatic strategy for treating these conditions.

What this means for you:
Calcium-modifying balloons offer versatile strategies for calcified coronary disease, but performance depends on lesion selection and technique.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedApr 2026
View Original Abstract ↓
BackgroundCalcified coronary lesions are a major challenge in percutaneous coronary intervention (PCI), frequently leading to stent underexpansion, restenosis, and adverse events. While multiple technologies exist for plaque modification, there remains a critical need for clear guidance on the optimal selection and use of dedicated balloon-based devices.SummaryThis review summarizes current evidence on scoring balloons, cutting balloons, and ultra-high-pressure (OPN NC) balloons and aims to define their specific role and indications in the treatment of calcified coronary disease. Particular attention is given to how lesion morphology, calcium characteristics, and procedural context influence device selection. Scoring balloons use external nitinol elements to create controlled focal stress, particularly effective in eccentric calcium. Cutting balloons incorporate microblades mounted on the balloon surface, allowing intimal incisions and fracture of concentric and mixed calcification or fibrotic tissue; repeated sequential inflations, as proposed in the RODIN-CUT technique, may enhance calcium disruption in a dose-dependent manner. OPN NC balloons, capable of inflations up to 35–40 atm, provide an effective last-resort option in undilatable lesions. Across devices, intravascular imaging plays a pivotal role in characterizing calcium morphology, guiding device selection and sizing, and confirming plaque modification.ConclusionsCalcium-modifying balloons provide predictable and versatile strategies for treating calcified coronary disease suitable both as a first-line option and as a complementary tool alongside intravascular lithotripsy or atherectomy. Device performance is tightly linked to lesion selection, procedural technique, and intravascular imaging guidance. An individualized, integrated, and morphology-tailored multimodality approach remains the most pragmatic strategy.
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