Innovative approaches to percutaneous bifurcation interventions using drug-eluting balloons
1Interventional Cardiology, Santa Maria Goretti Hospital Latina, Italy. g.a.sgueglia@gmail.com
Insights
Drug-eluting balloons (DEB) offer a promising alternative to drug-eluting stents (DES) for complex coronary bifurcation lesions. DEB provide a simpler, potentially safer, and more effective treatment option for these challenging cases.
Area of Science:
- Interventional Cardiology
- Vascular Medicine
- Biomaterials Science
Background:
- Coronary bifurcations represent complex lesions associated with poorer outcomes despite current treatments.
- Drug-eluting stents (DES) have limitations in complex lesions, including thrombosis and restenosis concerns.
- Alternative strategies are needed for effective treatment of bifurcation lesions.
Purpose of the Study:
- To evaluate the potential of drug-eluting balloons (DEB) as an alternative to DES for coronary bifurcation interventions.
- To explore novel DEB-based approaches for treating bifurcation lesions and restenosis.
- To assess the safety and efficacy of DEB in complex coronary anatomy.
Main Methods:
- Review of current evidence on DEB in percutaneous coronary intervention (PCI) for bifurcations.
- Description of two DEB approaches: sequential DEB with provisional stenting and main vessel stenting with kissing DEB.
- Evaluation of DEB for bifurcation restenosis treatment.
Main Results:
- DEB offer homogeneous drug transfer and local delivery without a metal platform or polymer matrix.
- Provisional stenting in bifurcations can lead to suboptimal side branch results, which DEB may improve.
- Kissing DEB approach shows promise for bifurcation restenosis, a challenging subset of lesions.
Conclusions:
- DEB present a novel, simpler, and potentially safer and more effective option for percutaneous bifurcation interventions.
- DEB technology addresses limitations of DES in complex coronary lesions.
- Further research into DEB strategies for bifurcations is warranted.
Abstract:
Coronary bifurcations are frequently found complex coronary lesions that continue to be associated to worse outcomes than simpler ones, despite dedicated techniques and use of drug-eluting stents (DES). Moreover, besides concerns regarding DES thrombosis and late restenosis in complex lesions, several issues might limit DES use in real world conditions. If a widespread use of DES might therefore appeared unjustified, local treatment by an anti-proliferative drug remains attractive. This is the reason why drug-eluting balloons (DEB) have been developed, with several potential advantages over DES including homogeneous drug transfer to the vessel wall with local drug delivery over a very short period of time and absence of both a polymer matrix and a metal platform. When approaching bifurcation lesions, actual evidences do not support increased benefit of a two-stent technique over stenting the main vessel only. However, provisional stenting is often associated with suboptimal results in the side branch, thus leaving room for some improvement that could be very well managed by drug-eluting balloon technology. To date, two different approaches to percutaneous bifurcation intervention with DEB have been developed, namely sequential DEB treatment of the bifurcation branches followed by provisional bare metal stent implantation and simple main vessel stenting followed by kissing DEB. The kissing DEB approach has also shown promising results in the treatment of bifurcation restenosis that represent particularly challenging lesions to treat. Available data suggest that DEB offers a new opportunity to implement innovative, simpler and possibly safer and more effective percutaneous bifurcation interventions.
