4.6 Article

Association of Lipoprotein(a) With Recurrent Ischemic Events Following Percutaneous Coronary Intervention

期刊

JACC-CARDIOVASCULAR INTERVENTIONS
卷 14, 期 18, 页码 2059-2068

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ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2021.07.042

关键词

coronary disease; lipoprotein (a); prognosis; stent

资金

  1. Korea Health Technology R&D Project through the Korea Health Industry Development Institute - Ministry of Health and Welfare, Republic of Korea [HC19C0022]
  2. CardioVascular Research Foundation

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Elevated levels of Lp(a) were significantly associated with recurrent ischemic events in patients undergoing PCI, suggesting the need for clinical outcome trials to test Lp(a)-lowering therapy in this population.
OBJECTIVES This study evaluated the association between elevated levels of lipoprotein(a) [Lp(a)] and risk of recurrent ischemic events in patients who underwent percutaneous coronary intervention (PCI). BACKGROUND Elevated levels of Lp(a) have been identified as an independent, possibly causal, risk factor for atherosclerotic cardiovascular disease in a general population study. METHODS A prospective single-center registry was used to identify 12,064 patients with baseline Lp(a) measurements who underwent PCI between 2003 and 2013. The primary outcomes were a composite of cardiovascular death, spontaneous myocardial infarction, and ischemic stroke. RESULTS From the registry, 3,747 (31.1%) patients had high Lp(a) (>30 mg/dL) and 8,317 (68.9%) patients had low Lp(a) (#30 mg/dL). During a median follow-up of 7.4 years, primary outcomes occurred in 1,490 patients, and the incidence rates of primary outcomes were 2.0 per 100 person-years in the high-Lp(a) group and 1.6 per 100 person-years in the low-Lp(a) group (adjusted hazard ratio [aHR]: 1.17; 95% confidence interval [CI]: 1.05-1.30; P = 0.004). Increased risk of recurrent ischemic cardiovascular events in the high-Lp(a) group was consistent in various subgroups including patients receiving statin treatment at discharge (aHR: 1.18; 95% CI: 1.03-1.34; P = 0.011). In addition, the risk of repeated revascularization was significantly higher in the high-Lp(a) group (aHR: 1.13; 95% CI: 1.02-1.25; P = 0.022). CONCLUSIONS Elevated levels of Lp(a) were significantly associated with the recurrent ischemic events in patients who underwent PCI. This study provides a rationale for outcome trials to test Lp(a)-lowering therapy for secondary prevention in patients undergoing PCI. (J Am Coll Cardiol Intv 2021;14:2059-2068) (c) 2021 by the American College of Cardiology Foundation.

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