Lipoprotein(a), Coronary Complexity, and Stent-Related Outcomes: Meta-Analytic Insights for the Interventional

Alberto Cereda1, Marco Stracqualursi2, Matteo Rocchetti3

  • 1Interventional Cardiology Unit, Department of Cardiology, San Carlo Borromeo Hospital, ASST Santi Paolo e Carlo, 20153 Milan, Italy.

Insights

Elevated Lipoprotein(a) [Lp(a)] is linked to complex coronary artery disease and worse outcomes after percutaneous coronary intervention (PCI). This inherited risk factor may help identify high-risk patients for personalized treatment.

Area of Science:

  • Cardiology
  • Genetics
  • Interventional Cardiology

Background:

  • Lipoprotein(a) [Lp(a)] is an inherited cardiovascular risk factor.
  • Its precise role in coronary anatomical complexity and post-percutaneous coronary intervention (PCI) outcomes requires further elucidation.

Purpose of the Study:

  • To systematically review and meta-analyze the association between Lipoprotein(a) [Lp(a)] levels and coronary disease characteristics.
  • To evaluate the impact of Lipoprotein(a) [Lp(a)] on clinical and stent-related outcomes following PCI.
  • To explore the relationship between Lipoprotein(a) [Lp(a)] and aortic valve disease.

Main Methods:

  • Systematic review and meta-analysis of 26 relevant studies.
  • Evaluation of associations between circulating Lipoprotein(a) [Lp(a)] levels and various cardiovascular parameters.
  • Analysis of clinical outcomes, stent-related adverse events, and aortic valve disease.

Main Results:

  • Elevated Lipoprotein(a) [Lp(a)] correlates with increased coronary anatomical complexity.
  • Higher Lipoprotein(a) [Lp(a)] is associated with a greater risk of major adverse cardiovascular events post-PCI (HR 1.4).
  • Strongest associations observed for stent restenosis (OR 3.23) and target vessel revascularization (OR 2.6), alongside vulnerable plaque and aortic valve calcification.

Conclusions:

  • Elevated Lipoprotein(a) [Lp(a)] is significantly associated with complex coronary artery disease and adverse outcomes after PCI.
  • Lipoprotein(a) [Lp(a)] may serve as a crucial biological marker for identifying high-risk individuals.
  • Findings support personalized risk stratification and procedural decision-making in patients undergoing PCI.

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