The clinical evidence is clear, IVUS-guided PCI benefits patients
- By Philips
- January 28 2025
- 6 min read
IVUS imaging helps you decide, guide and confirm the right interventional treatment for each patient. IVUS-guided PCI strategies are backed by a wealth of clinical studies. The ESC gives a Class I, level of evidence A recommendation when performing PCI on anatomically complex lesions, in particular left main stem, true bifurcations, and long lesions.1 Explore the various studies below to learn more about the evidence that drove the ESC to give the highest level of recommendation in the guidelines.
At-a-glance:
- Clinical evidence supports the use of intravascular ultrasound (IVUS) for coronary procedures.
- IVUS can enhance the assessment of coronary artery disease by offering detailed, real-time images of the coronary vessels.
- IVUS helps evaluate the extent and severity of arterial blockages, guide treatment decisions, and improve patient outcomes.
- Studies show that IVUS can lead to more accurate stent placement, better assessment of vessel dimensions, and potentially reduce the need for repeat procedures.
ESC Guidelines1
ESC elevates intravascular imaging to a Class IA recommendation
- ESC recommends IVUS as Class I, level of evidence A, in the guidelines.
- Guideline is specific to complex lesions, left main stem, true bifurcations and long lesions.
Plug-and-play simplicity of Philips Eagle Eye Platinum is an easy way for physicians to get with the IVUS guidelines.
Stone Network Meta Analysis 2024²
For this systematic review and updated meta-analysis, investigators searched the publication databases from inception through August 30, 2023, for studies that randomly assigned patients undergoing PCI with drug-eluting stents to either IVUS or OCT, or both, or to angiography alone to guide their interventions.
- 22 trials were identified in which 15,964 patients were randomized.
- Compared with angiography guidance, intravascular imaging guidance of coronary stent implantation with OCT or intravascular ultrasound enhances both the safety and effectiveness of PCI, reducing the risks of death, myocardial infarction, repeat revascularization, and stent thrombosis.
- Reduction of 45% cardiac death, 18% target vessel-MI, 29% target lesion failure, 48% stent thrombosis.
Meta analysis of 22 randomized controlled trials with nearly 16,000 patients reinforces the benefits of image-guided PCI. Imaging improves outcomes and saves lives.2
RENOVATE-COMPLEX-PCI³
Intravascular image–guided PCI with IVUS or OCT versus angiography-guided PCI in patients with complex coronary-artery lesions
- 1639 patients with complex coronary-artery lesions randomized 2:1 to undergo either intravascular image–guided PCI or angiography-guided PCI
- IVI could be used at any time during the PCI procedure but was mandated after stent implantation
- 2.1-year median follow-up
- 36% reduction in primary endpoint of target vessel failure
Intravascular image-guided PCI was associated with a lower incidence of a composite of cardiac death, target vessel-related myocardial infarction, or clinically driven target vessel revascularization compared to angiography guided PCI.3
ULTIMATE RCT 3-year outcome data
Intravascular ultrasound-guided versus angiography-guided implantation of drug-eluting stent in all-comers⁴,⁵
IVUS-guided DES implantation was associated with significantly lower rates of target vessel failure and stent thrombosis during a 3-year follow-up among all comers, particularly those who underwent the IVUS-defined optimal
Zhang J et al
Compared to angiography-guided PCI alone, in all comer patients, ULTIMATE shows that IVUS-guided PCI significantly reduces Target Vessel Failure (TVF) mainly driven by the decrease in clinically driven target vessel revascularization (TVR). This benefit was sustained over three years. Only 1.6% TVF at 12 months and 4.2% TVF at 3 years when optimal IVUS-guided PCI criteria was met.
- 60% reduced rate of TVF at 3-years when optimal IVUS guided PCI criteria was met over those patients who underwent IVUS defined suboptimal procedures.
Primary endpoint based on patient-level comparison
ADAPT-DES⁶,⁷
The ADAPT-DES study reported that IVUS guidance was associated with:
- A change in PCI strategy 74% of the time. Most often, the impact was a larger sized stent or balloon, higher inflation pressures or post-dilation. Furthermore, the study reported that larger stent areas resulted in cases where both pre-and post-PCI IVUS were performed compared to when only post-PCI IVUS was performed.
- A 28% reduction in major adverse cardiac events (MACE) at 2 years (95% CI 0.59-0.89; propensity Score Matched adjusted data).
AHA/ACC/SCAI Guidance
Guidance strengthens use of IVUS during stent implantation and to determine the mechanism of stent restenosis and thrombosis.8
All 2B recommendations from the 2011 guidance elevated to 2A in 2021 guidelines.
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Footnotes
- Vrints et al. 2024 ESC Guidelines for the management of chronic coronary syndromes. Eur Heart J. 2024 Aug 30.
- Stone G, et al. Intravascular imaging-guided coronary drug-eluting stent implantation: an updated network meta-analysis. The Lancet, Volume 403, Issue 10429, 824 - 837
- Lee J M, et al. Intravascular Imaging- Versus Angiography-Guided Percutaneous Coronary Intervention For Complex Coronary Artery Disease (RENOVATE). N Engl J Med. March 2023.
- Zhang J et al. Intravascular Ultrasound Versus Angiography-Guided Drug-Eluting Stent Implantation: The ULTIMATE Trial. Journal of the American College of Cardiology (2018)
- Outcomes of the ULTIMATE Trial Comparing Intravascular Ultrasound Versus Angiography-Guided Drug-Eluting Stent Implantation, JACC: Cardiovascular Interventions (2020), doi: https://doi.org/10.1016/j.jcin.2020.10.001.
- Maehara A. et al. Relationship between intravascular ultrasound guidance and clinical outcomes after drug-eluting stents: the assessment of dual antiplatelet therapy with drug-eluting stents (ADAPT-DES) study. Circ Cardiovasc Interv. 2018;11:e006243. DOI: 10.1161/CIRCINTERVENTIONS.117.006243
- Witzenbichler B et al. Relationship Between Intravascular Ultrasound Guidance and Clinical Outcomes After Drug-Eluting Stents: The ADAPT-DES Study. Circulation 2014 Jan: 129,4;463-470
- Lawton J. et al. 2021 ACC/AHA/SCAI Guideline for Coronary Artery Revascularization. JACC. 2022;79(2):e21-e129
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