Evidence map›Paper›PMID 41555310›Full record

ArticleLipids in health and disease2026

Rethinking the lipid paradox: the role of baseline characteristics in LDL-C and long-term mortality after acute myocardial infarction.

Lifan Zhang, Hongxuan Xu, Guoxiong Zhou, Lin Wu

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Article in Lipids in health and disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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3citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Lifan ZhangDepartment of Cardiology, Peking University First Hospital, No. 8 Xishiku Street, Beijing, 100034, China.
Hongxuan XuDepartment of Cardiology, Peking University First Hospital, No. 8 Xishiku Street, Beijing, 100034, China.
Guoxiong ZhouDepartment of Cardiology, Peking University First Hospital, No. 8 Xishiku Street, Beijing, 100034, China.
Lin WuDepartment of Cardiology, Peking University First Hospital, No. 8 Xishiku Street, Beijing, 100034, China. wuepgroup@126.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPrevious observations have reported inconsistent results on the association between low-density lipoprotein cholesterol (LDL-C) at presentation and long-term outcomes after acute myocardial infarction (AMI). We aimed to clarify the potential impact of baseline characteristics on the inverse association between LDL-C and all-cause mortality, known as the lipid paradox.

methodsA total of 1,305 critically ill patients with AMI from the Medical Information Mart for Intensive Care IV database were included in the analysis. Patients were stratified according to LDL-C quartiles. The primary outcome was 180-day and 360-day all-cause mortality. Baseline characteristics were included in stepwise Cox regression models. Restricted cubic spline analyses across multiple models and subgroups were performed to assess the influence of baseline characteristics on the association between LDL-C and long-term outcomes.

resultsA total of 244 (18.7%) and 291 (22.3%) mortality events occurred at 180 and 360 days of follow-up, respectively. Patients in the lowest LDL-C quartile had the highest all-cause mortality at both 180 and 360 days (28.7% and 35.2%, respectively). After stepwise adjustment for baseline covariates, the J-shaped relationship observed in the unadjusted model was gradually attenuated and disappeared. The inverse association between LDL-C and mortality was more pronounced in subgroups characterized by elevated mortality risk, including patients with low albumin levels, elevated neutrophil-to-lymphocyte ratio, and higher SOFA scores. Nevertheless, in-hospital statin use was consistently associated with reduced all-cause mortality across nearly all subgroups.

conclusionsThe lipid paradox observed in critically ill patients with AMI is attributed to differences in baseline characteristics across LDL-C strata. After adjusting for potential confounders, baseline LDL-C was not an independent predictor of long-term mortality in AMI. Lipid-lowering therapy was associated with favorable long-term outcomes irrespective of baseline LDL-C levels.

Indexed as

Cholesterol, LDLMyocardial InfarctionAgedCritical IllnessFemaleHumansMaleMiddle AgedNeutrophilsProportional Hazards ModelsRisk FactorsCholesterol, LDLAcute myocardial infarctionLipid paradoxLong-term mortalityLow-density lipoprotein cholesterol

Identifiers

PMID41555310
PMCPMC12896068

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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 Socratic graph.