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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
The influence of lipoprotein(a) on coronary revascularization after percutaneous coronary intervention
Thitiphan Srikulmontri1,2, Suchanart Pantarote3, Narathorn Kulthamrongsri4
1Department of Internal Medicine, Jefferson Einstein Hospital, Philadelphia, PA, USA.
Insights
Elevated Lipoprotein(a) (Lp(a)) levels increase the risk of repeat revascularization and target vessel revascularization after percutaneous coronary intervention (PCI). Further research into Lp(a)-lowering therapies is recommended.
Area of Science:
- Cardiology
- Atherosclerosis Research
- Interventional Cardiology
Background:
- Lipoprotein(a) (Lp(a)) is a proatherogenic lipoprotein linked to cardiovascular risk.
- Lp(a) is poorly responsive to statins and lifestyle modifications.
- The predictive value of Lp(a) for repeat revascularization post-percutaneous coronary intervention (PCI) is not well-established.
Purpose of the Study:
- To evaluate the association between Lp(a) levels and coronary revascularization outcomes.
- To determine if elevated Lp(a) predicts repeat revascularization after PCI.
Main Methods:
- Systematic review and meta-analysis of MEDLINE and EMBASE studies.
- Included 20 studies (18 in meta-analysis) assessing Lp(a) and revascularization post-PCI.
- Used random-effects models to pool odds ratios (ORs) and hazard ratios (HRs).
Main Results:
- Elevated Lp(a) was associated with a higher risk of any repeat revascularization (OR 1.33; HR 1.15).
- High Lp(a) significantly increased the risk of target vessel revascularization (TVR) (OR 1.42).
- A non-significant trend towards increased target lesion revascularization (TLR) was observed (OR 1.25).
Conclusions:
- Elevated Lp(a) levels are linked to increased risk of repeat revascularization and TVR post-PCI.
- Further research is needed to confirm these findings.
- Investigating Lp(a)-lowering strategies for cardiovascular risk management is warranted.
Background:
Lipoprotein(a) (Lp(a)) is a proatherogenic lipoprotein associated with increased cardiovascular risk and is minimally responsive to statins or lifestyle changes. While Lp(a) is linked to adverse cardiovascular events, its role in predicting repeat revascularization after percutaneous coronary intervention (PCI) remains unclear. This review evaluates the relationship between Lp(a) levels and coronary revascularization outcomes.
Methods:
A systematic review and meta-analysis of studies from MEDLINE and EMBASE through June 18, 2025, evaluated the association between elevated Lp(a) and revascularization outcomes post-PCI. Random-effects models using the DerSimonian-Laird method were used to pool odds (ORs) and hazard ratios (HRs). Heterogeneity was assessed using the I2 statistic and Cochran's Q test, and publication bias was evaluated with Egger's regression test.
Results:
Twenty studies were included in the systematic review, of which eighteen were included in the meta-analysis. Elevated Lp(a) levels were associated with a higher risk of any repeat revascularization, with pooled OR 1.33 (95% CI: 1.17-1.52) and HR 1.15 (95% CI: 1.05-1.25). High Lp(a) was also linked to increased risk of target vessel revascularization (TVR) (OR 1.42; 95% CI: 1.12-1.81). A non-significant trend towards increased target lesion revascularization (TLR) was observed (OR 1.25; 95% CI: 0.96-1.64).
Conclusion:
Elevated Lp(a) levels were associated with a higher risk of repeat revascularization and TVR, with a non-significant trend towards increased TLR. Further studies are warranted to confirm these findings and explore the potential benefit of Lp(a)-lowering strategies.
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