ArticleJournal of atherosclerosis and thrombosis2026
Knowledge Gaps and Nonadherence Among Japanese Patients with Atherosclerotic Cardiovascular Disease.
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
aimReducing low-density lipoprotein cholesterol (LDL-C) levels is crucial for preventing atherosclerotic cardiovascular disease (ASCVD). Recommended lipid-lowering therapy (LLT) includes both oral (e.g., statins) and injectable agents. However, patient awareness of LDL-C management and adherence to it remain uncertain.
methodsThis cross-sectional study surveyed 415 Japanese patients with ASCVD using a web-based platform. The participants reported their understanding of LDL-C target values and the effects of LLT. Medication adherence was evaluated using the Extent of Nonadherence scale, and a binomial logistic regression analysis was performed to identify the factors associated with nonadherence.
resultsApproximately 58.1%-60.2% of the participants reported confidence in knowing their correct lipid target values and managing dyslipidemia appropriately. However, only 22.2% reported LDL-C targets of ＜50 or ＜70 mg/dL, and 43.4% believed their targets to be ＜50, ＜70, or ＜100 mg/dL. In contrast, 56.7% either reported LDL-C targets of ＜120, ＜140, or ＜160 mg/dL or did not know their targets. Regarding LLT, 65.8% were unaware that extreme lowering of LDL-C levels with LLT had no disadvantages, and 74.2% were unaware that injectable LLTs were available. Overall, 39.0% of the participants were nonadherent. Higher out-of-pocket costs (≥ 3,001 yen; adjusted odds ratio [OR]: 1.83, p = 0.024) and experience with self-injections (adjusted odds ratio: 2.34, p = 0.027) were significantly associated with nonadherence.
conclusionsOur findings highlight a considerable gap in patient knowledge and adherence to dyslipidemia management strategies. Interventions that promote patient education and shared decision-making are essential for improving adherence and achieving optimal LDL-C targets.
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