Evidence map›Paper›PMID 41249045›Full record

ArticleThe Kobe journal of medical sciences2025

Apolipoprotein B48 as a Marker of Residual Coronary Risk: Diagnostic Insights from a Comparative Analysis with Ankle-Brachial Index.

Kenta Mori, Asuka Monobe, Sadatsugu Okuma, Tatsuro Ishida

Abstract readComparative Study
In one paragraph

Article in The Kobe journal of medical sciences, 2025. 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Kenta MoriDepartment of General Internal Medicine, Toyooka Hospital, Hyogo, Japan.
Asuka MonobeFujirebio Inc., Tokyo, Japan.
Sadatsugu OkumaFujirebio Inc., Tokyo, Japan.
Tatsuro IshidaDivision of Cardiovascular Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.

Funding

MEXT KAKENHI JP24K11216
6 · The paper itself

Abstract

Apolipoprotein B48 (ApoB48) may be an indicator of residual cardiovascular risk beyond conventional lipid measures. However, its performance for detecting coronary artery disease (CAD), alone and in combination with the ankle-brachial index (ABI), remains to be investigated. This cross-sectional study (358 patients; 299 and 59 with and without CAD, respectively) assessed the value of ApoB48 (cutoff: ≥4.5 μg/mL) and ABI (cutoff: <0.9) in detecting CAD. Subgroup analyses were performed for patients with diabetes mellitus, hypertension, dyslipidemia, and low levels of low-density lipoprotein-cholesterol (LDL-C) (<100 mg/dL). Baseline characteristics, including lipid profiles and biomarker levels, were compared between patients with and without CAD. Patients with CAD exhibited significantly higher ApoB48 levels compared to those without (5.1 ± 3.2 vs. 4.0 ± 2.2 μg/mL, respectively, p = 0.001); there were no significant differences in ABI values. The sensitivity and specificity of ABI alone for CAD were 16.7% and 81.4%, respectively, while those for ApoB48 alone were 48.2% and 61.0%, respectively. Combining both markers improved sensitivity to 55.5%, though specificity declined to 47.5%. Subgroup analyses revealed that ApoB48 maintained superior sensitivity across groups with diabetes, hypertension, dyslipidemia, and low levels of LDL-C. Lipid parameters (LDL-C, non-high density lipoprotein-cholesterol, and triglycerides) showed minimal discriminatory power between patients with and without CAD. ApoB48 demonstrates superior sensitivity for CAD detection compared to ABI, particularly in high-risk patients. While combining ApoB48 and ABI enhances sensitivity, it compromises specificity, suggesting the need for balanced diagnostic strategies. ApoB48 may be a valuable marker of residual cardiovascular risk, particularly in patients with well-controlled LDL-C or comorbid metabolic conditions.

Indexed as

Ankle Brachial IndexApolipoprotein B-48Coronary Artery DiseaseAgedBiomarkersCholesterol, LDLCross-Sectional StudiesFemaleHumansMaleMiddle AgedApolipoprotein B-48BiomarkersCholesterol, LDLAnkle-brachial indexApolipoprotein B48Coronary artery diseaseDiabetes mellitus

Identifiers

PMID41249045
PMCPMC13095042

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.