ArticleJournal of atherosclerosis and thrombosis2026
Influence of Elevated Serum Lipoprotein(a) on Carotid Artery Plaque Ulceration in Patients Considered for Carotid Revascularization.
Article in Journal of atherosclerosis and thrombosis, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimsWe aimed to evaluate the effect of serum lipoprotein(a) (Lp(a)) levels on carotid artery ulceration using digital subtraction angiography (DSA), which is the gold standard for assessing atherosclerotic plaque surface morphology.
methodsOf the consecutive cerebrovascular patients prospectively collected serum Lp(a) levels from June 2021 to October 2024 admitted to our institution, patients with carotid artery stenosis were enrolled in this study. Blood samples were collected within three months of admission. Based on common carotid angiography and 3D rotational angiography to confirm the morphology of stenotic lesions, patients were dichotomized according to the presence or absence of carotid artery ulceration.
resultsOf the 439 cerebrovascular patients, 94 with carotid artery stenosis were analyzed (18 females, median 75 [interquartile range, 71-81] years) and carotid artery ulceration was confirmed in 38 (40.0 %) patients. Patients with carotid artery ulceration showed a higher proportion of dyslipidemia (94.7% versus 75.0%; p = 0.013), and higher L(a) levels (28 [11-56] vs 10 [5-25] mg/dL, p = 0.007) than those without. Multivariable logistic analysis adjusted for other atherosclerotic risk factors showed a significant association between higher Lp(a) levels and carotid artery ulceration (odds ratio per 10 mg/dL increase, 1.21; 95%CI, 1.02-1.43; p = 0.026). Receiver operating characteristic curve analysis showed that Lp(a) ≥ 26 mg/dL was the threshold to predict the presence of carotid artery ulceration (area under the curve = 0.67; sensitivity, 52.6%; specificity, 78.6%).
conclusionsIn patients with carotid artery stenosis who may be considered candidates for surgical treatment, elevated Lp(a) levels were associated with carotid artery ulceration.
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