Long-term benefits of drug-coated balloons for coronary artery revascularization

Bernardo Cortese1,2, Sara Malakouti3, Waqas Mazhar3,4

  • 1Fondazione Ricerca e Innovazione Cardiovascolare, Milan, Italy - bcortese@gmail.com.

PubMed

Insights

Drug-eluting stents (DES) show limitations in treating coronary artery disease compared to bypass surgery. Drug-coated balloons (DCB) offer potential advantages for long-term outcomes, with ongoing research exploring combined therapies.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Biomaterials in Medicine

Background:

  • Drug-eluting stents (DES) are a primary treatment for coronary artery disease (CAD).
  • Current DES have not demonstrated non-inferiority to coronary artery bypass grafting (CABG) regarding short-term clinical events.
  • DES are linked to a higher risk of target vessel revascularization compared to CABG in long-term follow-up.

Purpose of the Study:

  • To review the technical limitations of current drug-eluting stents (DES).
  • To highlight the potential benefits of percutaneous coronary intervention (PCI) with drug-coated balloons (DCB) for long-term outcomes.
  • To explore the potential non-inferiority of DCB-PCI compared to CABG.

Main Methods:

  • Literature review and synthesis of existing studies on DES and DCB therapies in CAD.
  • Analysis of clinical outcomes, including target vessel revascularization and cumulative clinical events.
  • Discussion of ongoing research into blended therapies (DCB+DES).

Main Results:

  • DES exhibit limitations in achieving long-term efficacy comparable to CABG.
  • Drug-coated balloons (DCB) show promise in managing specific CAD challenges like in-stent restenosis and small vessel lesions.
  • Further research is needed to evaluate DCB's long-term performance and non-inferiority to CABG.

Conclusions:

  • Technical limitations of DES necessitate exploration of alternative or adjunctive therapies.
  • DCB-PCI presents a viable option for improving long-term outcomes in CAD management.
  • Blended DCB+DES therapy is under investigation for complex CAD cases, aiming to match CABG performance.