Evidence map›Paper›PMID 41359282›Full record

ArticleInsights into imaging2025

Prognostic significance and influencing factors of lipomatous metaplasia in patients after myocardial infarction.

Yan Chen, Xuelian Gao, Weibo Li, Nan Zhang, Yue Ren, Yifeng Gao, Zhen Zhou, Jiayi Liu, Zhaoying Wen, Lei Xu

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Article in Insights into imaging, 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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5 · Who and what money

Authors and funding

10 authors.

Yan Chen *Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Xuelian Gao *Department of Radiology, Nanchong Central Hospital, Nanchong, China.
Weibo LiDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Nan ZhangDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Yue RenDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Yifeng GaoDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Zhen ZhouDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Jiayi LiuDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Zhaoying WenDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Lei XuDepartment of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China. leixu2001@hotmail.com.ORCID http://orcid.org/0000-0002-8499-0448

Funding

National Key Research and Development Program of China 2022YFE0209800National Natural Science Foundation of China 82271986National Natural Science Foundation of China U1908211Natural Science Foundation of Beijing Municipality L246062
6 · The paper itself

Abstract

objectivesTo investigate the prognostic value of lipomatous metaplasia (LM) in patients after myocardial infarction (MI) and to explore potential influencing factors of LM. MATERIALS AND

methodsA total of 1702 (mean age 59.3 ± 10.27 years, 86.08% men) patients with a history of MI who underwent coronary CT angiography (CCTA) examinations were retrospectively enrolled. The clinical endpoints were major adverse cardiovascular events (MACE). A subgroup of 240 patients who underwent CCTA and cardiac magnetic resonance (CMR) examinations within a 14-day interval was analyzed to compare the prognostic values of LM and CMR parameters and to explore influencing factors of LM.

resultsMACE occurred in 395 (23.21%) patients during a median follow-up of 45.5 months. In the entire cohort, the prevalence of LM was 46.71% on CCTA; in the subgroup, it was 51.25% on CCTA and 21.67% on CMR. LM remained a significant outcome predictor (hazard ratio (HR) 1.39, 95% confidence interval (CI) 1.12-1.73; p = 0.002) in the multivariable model. In subgroup analysis, LM on CCTA (HR 1.83, 95% CI 1.09-3.08; p = 0.023) was a stronger outcome predictor than all CMR parameters. Revascularization history (odds ratio (OR) 2.833, p = 0.006), number of diseased coronary arteries (CA) (OR 0.556, p = 0.006) and infarct size (OR 1.094, p = 0.003) remained associated with LM in the multivariable model.

conclusionLM was a significant outcome predictor in patients after MI and was stronger than CMR functional parameters and infarct size. Revascularization, infarct size and fewer diseased CA may be associated with LM development. CRITICAL RELEVANCE STATEMENT: Lipomatous metaplasia (LM) was a common complication following myocardial infarction (MI) that increased with infarct age, identifying LM and integration of LM assessment into risk stratification models for post-MI patients may be important for clinical strategy decisions. KEY POINTS: Lipomatous metaplasia was a common complication that increased with infarct age. Lipomatous metaplasia was a significant outcome predictor in patients after myocardial infarction, stronger than CMR functional parameters and infarct size. Revascularization procedure, infarct size and fewer number of diseased coronary arteries were associated with the presence of lipomatous metaplasia.

Indexed as

Adipose tissueComputed tomographyMagnetic resonance imagingMyocardial infarctionPrognosis

Identifiers

PMID41359282
PMCPMC12686315

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