Drug-coated balloons and diabetes: a review

Marco Frazzetto1,2, Sara Malakouti1, Bharat Khialani1,3

  • 1DCB Academy, Milan, Italy.

PubMed

Insights

Diabetes mellitus complicates coronary artery disease, increasing risks after percutaneous coronary intervention. Drug-coated balloons offer a promising scaffold-free alternative for diabetic patients undergoing PCI, potentially improving outcomes.

Area of Science:

  • Cardiology
  • Endocrinology
  • Biomedical Engineering

Background:

  • Diabetes mellitus (DM) significantly increases the risk and severity of coronary artery disease (CAD).
  • Diabetic patients face higher risks of adverse events and stent-related complications after percutaneous coronary intervention (PCI) compared to non-diabetic individuals.
  • Despite advancements in drug-eluting stents, long-term outcomes in diabetic patients remain a concern.

Purpose of the Study:

  • To review the impact of DM pathophysiology on PCI outcomes.
  • To explore the potential benefits of drug-coated balloons (DCB) in diabetic CAD patients.
  • To summarize current evidence comparing DCB to other PCI techniques and suggest individualized treatment approaches.

Main Methods:

  • Literature review of studies on DM, CAD, PCI, and DCB technology.
  • Analysis of the pathophysiological mechanisms linking DM to adverse cardiovascular events.
  • Synthesis of clinical trial data comparing DCB angioplasty with other revascularization strategies in diabetic patients.

Main Results:

  • DM is associated with more complex atherosclerosis and a pro-thrombotic, inflammatory state, worsening PCI outcomes.
  • Drug-coated balloons deliver antiproliferative agents directly to lesions without a metallic scaffold, offering a potential advantage.
  • Evidence comparing DCB to other PCI techniques in diabetic populations is still evolving, necessitating further research.

Conclusions:

  • DCB angioplasty presents a promising therapeutic option for diabetic patients with CAD, potentially mitigating risks associated with metallic stents.
  • Further research is needed to fully elucidate the long-term efficacy and optimal use of DCB in this high-risk population.
  • An individualized treatment strategy considering DM-specific factors is crucial for optimizing PCI outcomes in diabetic patients.

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