Heart of the Data is your essential guide to the clinical science shaping the future of coronary care. This podcast dives deep into the latest studies, landmark trials, and evolving guidelines in interventional cardiology. Whether you're a clinician, researcher, or industry professional, each episode offers clear, insightful analysis of the data that matters—translating complex findings into real-world impact. From stents and imaging to physiology and pharmacology, Heart of the Data gets to the core of coronary innovation.
RFR vs. iFR: Unmasking Hidden Coronary Blockages in the RCA with the Resting Full-Cycle Ratio
Join us for an in-depth exploration of the VALIDATE-RFR clinical trial, which introduced a game-changing approach to coronary artery assessment that could transform interventional cardiology practice. We'll break down how the Resting Full-cycle Ratio (RFR) method overcomes the limitations of current diagnostic tools by analyzing pressure ratios throughout the entire cardiac cycle rather than just during diastole, potentially catching significant blockages that traditional methods miss.
29 Aug 2025
DEFER 5-Year Results: Redefining PCI Decisions
In this episode, we unpack the landmark DEFER 5-year trial, which asked a simple but game-changing question: should every coronary lesion be stented? The study showed that deferring PCI in lesions with an FFR > 0.75 was safe and effective, with excellent 5-year outcomes. We’ll explore how these results reshaped interventional cardiology and why the DEFER trial still guides decision-making today.
23 Jun 2025
OCCUPI Trial: OCT Guidance in Complex PCI
In this episode, we explore the OCCUPI trial, a large randomized study comparing optical coherence tomography (OCT)-guided PCI to traditional angiography guidance in patients with complex coronary lesions. With over 1,600 patients enrolled, the trial showed that OCT guidance significantly reduced the rate of cardiac death, myocardial infarction, stent thrombosis, and target-vessel revascularization at one year. We discuss the trial design, key outcomes, and how these findings could shape the future of intravascular imaging in high-risk PCI cases.
6 Jun 2025
CALIPSO Trial: OCT-Guided PCI in Calcified Coronary Lesions
In this episode, we delve into the CALIPSO (Calcified Lesion Intervention Planning Steered by OCT) trial, a pivotal study evaluating the efficacy of optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) compared to traditional angiography-guided PCI in patients with moderate to severe calcified coronary lesions. Conducted across 12 centers in France, the trial demonstrated that OCT-guided PCI, utilizing a predefined lesion preparation algorithm, resulted in significantly larger minimal stent areas and improved stent expansion without increasing procedural risks. We explore the trial's design, key findings, and discuss the potential implications for interventional cardiology practice.
5 Jun 2025
RENOVATE-COMPLEX-PCI: Enhancing Outcomes with Intravascular Imaging
In this episode, we delve into the RENOVATE-COMPLEX-PCI trial, a pivotal study evaluating the efficacy of intravascular imaging-guided percutaneous coronary intervention (PCI) compared to traditional angiography-guided PCI in patients with complex coronary artery disease. The trial demonstrated that using intravascular imaging techniques, such as intravascular ultrasound (IVUS) or optical coherence tomography (OCT), led to a significant reduction in target vessel failure rates. We explore the study's design, key findings, and discuss how these results are influencing current interventional cardiology practices.
5 Jun 2025
Decoding Calcium: The OCT-Based Scoring Algorithm for PCI Planning
In this episode, we explore the OCT-based calcium scoring system — a powerful tool for assessing coronary calcium severity prior to PCI. We break down how this algorithm evaluates calcium thickness, arc, and length to guide lesion preparation strategies, improve stent expansion, and ultimately enhance patient outcomes. Tune in for a practical discussion on how this imaging-based approach is reshaping decision-making in the cath lab.
5 Jun 2025
ILUMIEN IV: Evaluating OCT-Guided PCI in Complex Coronary Lesions
In this episode, we delve into the ILUMIEN IV trial, a significant study comparing optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) with traditional angiography-guided PCI in patients with complex coronary artery disease, including those with diabetes. While OCT guidance led to a larger minimum stent area and a notable reduction in stent thrombosis rates, it did not significantly decrease the two-year rate of target vessel failure compared to angiography guidance. Join us as we explore the trial's design, key findings, and its implications for interventional cardiology practice.
3 Jun 2025
OCTIVUS Trial: OCT vs. IVUS in Complex Coronary Lesions
In this episode, we delve into the OCTIVUS trial, a landmark study comparing optical coherence tomography (OCT) and intravascular ultrasound (IVUS) guidance during percutaneous coronary intervention for complex coronary artery lesions. With over 2,000 patients enrolled across nine centers in South Korea, the trial assessed outcomes in challenging cases, including left main disease, bifurcations, and heavily calcified lesions. Tune in as we explore the trial's design, key findings, and its implications for interventional cardiology practice.
2 Jun 2025
The OCTOBER Trial: Image-Guided PCI for Bifurcation Lesions
In this episode, we break down the OCTOBER trial — a pivotal study investigating whether optical coherence tomography (OCT)-guided PCI offers better outcomes than angiography alone in treating coronary bifurcation lesions. We explore the clinical rationale, study design, and what the findings mean for the evolving role of intravascular imaging in complex coronary interventions.
2 Jun 2025
Inside the FAME Trial: Redefining Treatment in Stable Coronary Artery Disease
In this episode, we explore the groundbreaking FAME (Fractional Flow Reserve vs. Angiography for Multivessel Evaluation) trial, a pivotal study that reshaped how cardiologists approach multivessel coronary artery disease. Learn how measuring fractional flow reserve (FFR) changed the game in identifying which blockages truly need stenting — and which don't. We break down the study design, key findings, and lasting impact on clinical practice with expert insights.
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