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Impact of Elevated Lipoprotein A on Major Adverse Cardiovascular Events and the Role of Traditional Risk Factors in
Nisar Ahmad Zemawal1, Salman Shah2, Mustaqeem Shah2
1Medicine and Surgery, Lady Reading Hospital, Peshawar, PAK.
Insights
Elevated lipoprotein(a) (Lp(a)) significantly increases major adverse cardiovascular events (MACE) risk in patients undergoing percutaneous coronary intervention (PCI). Traditional risk factors further amplify this Lp(a)-associated cardiovascular risk.
Area of Science:
- Cardiovascular Medicine
- Clinical Research
- Biomarkers
Background:
- Elevated lipoprotein(a) (Lp(a)) is a key independent risk factor for cardiovascular events.
- Patients undergoing percutaneous coronary intervention (PCI) are particularly vulnerable to Lp(a)]s adverse effects.
Purpose of the Study:
- To assess the impact of elevated Lp(a) on major adverse cardiovascular events (MACE) in PCI patients.
- To investigate the combined and independent roles of Lp(a) and traditional cardiovascular risk factors.
Main Methods:
- Prospective cohort study of 360 patients undergoing PCI over two years.
- Patients stratified into high and normal Lp(a) groups; MACE monitored for 24 months.
- Cox proportional hazards models used to analyze associations between Lp(a), MACE, and risk factors.
Main Results:
- Patients with elevated Lp(a) exhibited significantly higher rates of MACE, including myocardial infarction, stroke, and cardiovascular mortality.
- Event-free survival was substantially lower in the elevated Lp(a) group (74.13% vs. 91.76%).
- Elevated Lp(a) group more frequently had traditional risk factors like diabetes and hypertension, exacerbating outcomes.
Conclusions:
- Elevated Lp(a) is a significant predictor of MACE in PCI patients.
- Traditional cardiovascular risk factors interact with Lp(a) to modulate MACE risk.
- Comprehensive risk stratification incorporating Lp(a) levels is crucial for PCI patients.
Background:
Elevated lipoprotein(a) (Lp(a)) is a recognized independent risk factor for adverse cardiovascular outcomes, particularly in patients undergoing percutaneous coronary intervention (PCI).
Objective:
This study aims to evaluate the impact of elevated Lp(a) on major adverse cardiovascular events (MACE) in patients undergoing PCI and investigate the interplay and independent contributions of Lp(a) and traditional cardiovascular risk factors.
Materials And Methods:
A prospective cohort study was conducted over two years, including 360 patients undergoing PCI. Participants were divided into high and normal groups according to their baseline Lp(a) levels. To record MACE, which includes myocardial infarction, stroke, repeat revascularization, and cardiovascular mortality, clinical, demographic, and laboratory data were gathered, and patients were monitored for 24 months. The association between Lp(a) levels, MACE, and conventional risk variables was examined using Cox proportional hazards models.
Results:
Those with normal Lp(a) (18.69 ± 5.39 mg/dL) had substantially lower rates of MACE, such as myocardial infarction (HR = 1.89, p = 0.002), stroke (HR = 1.48, p = 0.039), and cardiovascular mortality (HR = 2.23, p = 0.001), than those with raised Lp(a) (79.31 ± 35.13 mg/dL). The raised group had a considerably reduced event-free survival rate (74.13% vs. 91.76%, p < 0.001). The raised group was more likely to have traditional risk factors, including diabetes and hypertension, which increased the negative consequences.
Conclusion:
Elevated Lp(a) significantly increases the risk of MACE in PCI patients, and this risk is further modulated by the presence of traditional cardiovascular risk factors, emphasizing the need for comprehensive risk stratification.
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