ArticleJournal of lipid research2026
Lipoprotein(a) and the C-reactive protein-triglyceride-glucose index in relation to coronary lesion burden in patients with acute coronary syndrome.
Article in Journal of lipid research, 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
Lipoprotein(a) [Lp(a)] reflects inherited atherothrombotic risk, whereas the C-reactive protein-triglyceride-glucose index (CTI) integrates systemic inflammation, triglyceride-related lipid disturbance, and glucose-related metabolic stress. Their individual and joint association with angiographic coronary lesion burden in acute coronary syndrome (ACS) remain incompletely defined. We examined whether CTI complements Lp(a) in characterizing coronary lesion burden in ACS. This retrospective, single-center study included 2,836 consecutive patients with ACS who underwent coronary angiography. Coronary lesion burden was assessed using continuous Gensini score, a high Gensini score, and multivessel disease (MVD). Multivariable regression, restricted cubic spline analyses, CTI-stratified analyses, incremental receiver operating characteristic analyses, and internally validated machine-learning analyses with SHAP interpretation were performed. Higher Lp(a) and CTI level were both associated with greater coronary lesion burden. Compared with Lp(a) < 75 nmol/L, Lp(a) ≥175 nmol/L was associated with high Gensini score (OR, 1.51 [95% CI, 1.17-1.96]) and MVD (OR, 1.69 [95% CI, 1.27-2.26]). Each 1-SD increase in CTI was associated with high Gensini score (OR, 1.47 [95% CI, 1.35-1.60]) and MVD (OR, 1.18 [95% CI, 1.08-1.28]). Among inflammatory-lipid indices, CTI showed the most consistent associations and provided the largest numerical incremental discrimination beyond Lp(a). The association between very high Lp(a) and coronary lesion burden was more pronounced at higher CTI levels, particularly for MVD. Machine-learning analyses further supported the relevance of both CTI and Lp(a). In patients with ACS, higher Lp(a) and CTI levels were associated with greater angiographic coronary lesion burden. CTI may complement Lp(a) by capturing inflammatory-metabolic status, supporting their joint assessment for more refined characterization of lesion-burden risk in ACS.
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