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Apolipoprotein (Apo) B\/A1 ratio is a reliable predictor of ASCVD and an important factor in assessing the risk of myocardial infarction. Tissue prolapse (TP) is defined as the tissue extrusion into the lumen through the stent struts after implantation, which is a significant factor for poor short-term outcomes such as acute and subacute thrombosis, severe myocardial necrosis, and vulnerable plaque. Therefore, the aim of this study was to investigate the relationship between Apo B\/A1, plaque vulnerability, and tissue prolapse on optical coherence tomography (OCT). This study enrolled 199 patients with atherosclerotic cardiovascular disease (ASCVD) who underwent percutaneous coronary intervention (PCI). Both pre- and post-procedural optical coherence tomography (OCT) examinations were conducted to assess TP volume and plaque morphology. Logistic regression analyses were performed to identify potential risk factors for tissue prolapse volume. Receiver operator characteristic (ROC) curve analysis was carried out to evaluate the value of the Apo B\/A1 ratio for tissue prolapse volume. The high Apo B\/A1 ratio group showed a larger TP volume (P\u2009=\u20090.001) and a higher percentage of plaque rupture and erosion in comparison to the low Apo B\/A1 ratio group (P\u2009=\u20090.022 and P\u2009=\u20090.008). The high Apo B\/A1 ratio group and the high TP volume group also had a higher proportion of thin-cap fibroatheroma (TCFA) (P\u2009=\u20090.046, P\u2009=\u20090.021). Multivariate logistic regression analysis revealed that both Apo B\/A1 ratio (odds ratio [OR]: 1.041, 95% confidence interval [CI] 1.007\u20131.076; P\u2009=\u20090.019) and TCFA (OR: 3.199, 95%CI 1.133\u20139.031; 0.028) were significantly related to high TP volume. Furthermore, the area under the curve (AUC) for predictive value of TP volume was 0.635 for Apo B\/A1 (95% CI 0.554\u20130.717, P\u2009=\u20090.002) compared to 0.615 for low density lipoprotein cholesterol (LDL-C) (95% CI 0.533\u20130.697, P\u2009=\u20090.008). The Apo B\/A1 ratio is an independent predictor of TP volume on OCT and is related to plaque vulnerability.<\/jats:p>","DOI":"10.1007\/s10554-023-03023-5","type":"journal-article","created":{"date-parts":[[2024,1,10]],"date-time":"2024-01-10T11:02:26Z","timestamp":1704884546000},"page":"545-555","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Association between apolipoprotein B\/A1 ratio and quantities of tissue prolapse on optical coherence tomography examination in patients with atherosclerotic cardiovascular disease"],"prefix":"10.1007","volume":"40","author":[{"given":"Yao","family":"Du","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Binbin","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yahui","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhou","family":"Du","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianhong","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Yang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huiping","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chuanyu","family":"Gao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,1,10]]},"reference":[{"key":"3023_CR1","doi-asserted-by":"publisher","first-page":"2107","DOI":"10.1056\/NEJMoa0707064","volume":"358","author":"B Zethelius","year":"2008","unstructured":"Zethelius B, Berglund L, Sundstr\u00f6m J et al (2008) Use of multiple biomarkers to improve the prediction of death from cardiovascular causes. 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All procedures were in accordance with institutional guidelines.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}