• Scot Med J · Nov 2021

    Relationship between Lp-PLA2 and in-stent restenosis after coronary stenting: a 3-year follow-up study.

    • Guohua Sheng, Juan Zhou, Chi Zhang, Caijuan Wu, Kairong Huang, Xiaotong Qin, and Jie Wu.
    • Deputy Chief Physician, Department of Cardiology, Haimen Hospital of Nantong University, China.
    • Scot Med J. 2021 Nov 1; 66 (4): 178-185.

    Background And AimsCoronary in-stent restenosis (ISR) is an important complication of percutaneous coronary intervention (PCI). However, the relationship between lipoprotein associated phospholipase A2 (Lp-PLA2) level and ISR after PCI is rarely reported. This study aims to explore the relationship between Lp-PLA2 and the occurrence of ISR at post-PCI and its predictive value for ISR.Methods And ResultsPlasma Lp-PLA2 mass were measured in 847 patients planting 1262 stents and evaluated along with known risk indicators. One-year angiographic follow-up showed that baseline elevated Lp-PLA2 mass was strongly associated with early restenosis (95% CI = 1.062-3.050, P < 0.05). Beyond the first year, the occurrence of late restenosis (95% CI = 1.043-3.214, P < 0.05) was significantly larger in the elevated Lp-PLA2 group. Kaplan-Meier analysis after three-year clinical follow up suggested that Lp-PLA2 mass did add the positive effect on the occurrence of major adverse cardiovascular events (MACEs).ConclusionIn conclusion, increased baseline plasma Lp-PLA2 predicts increased risks of re-stenosis and MACEs, which may be a novel biomarker for predicting ISR and MACEs.

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