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Increased intermediate CD14++CD16++ monocyte subset levels associate with restenosis after peripheral percutaneous transluminal angioplasty.
Atherosclerosis 253, 128-134 (2016)
BACKGROUND AND AIMS: We aimed at studying the association of three major human monocyte subsets after percutaneous transluminal angioplasty (PTA) in patients with femoropopliteal disease. METHODS: We prospectively studied 67 sequential patients (40 male, 27 female; mean age 71 ± 11 years) treated with femoropopliteal angioplasty. Multi-color flow cytometry characterized monocyte subsets from venous blood for expression of CD14 and CD16 and intracellular myeloperoxidase (MPO) prior to, and 3, 6 and 12 months post PTA. Analyses tested associations between monocyte subsets and risk for restenosis. RESULTS: 16/67 patients (24%) developed restenosis within 12 months after PTA. Patients with hyperlipidemia had increased risk for restenosis (HR = 1.7, 95% CI 0.7-2.9, p = 0.001). Increased baseline monocytes associated with an increased risk of late restenosis (HR = 4.9, 95% CI: 1.3-18.6, p = 0.047). CD14(++)CD16(++) 'intermediate' monocytes assessed at baseline, and after 3, 6, and 12 months significantly associated with the risk for subsequent restenosis: HR = 3.9 (95% CI: 2.4-6.5, p = 0.029), HR = 5.7 (95% CI = 0.7-44.7, p = 0.013), HR = 6.5 (95% CI: 2.5-16.9, p = 0.001) and HR = 1.5 (95% CI = 1.4-15.5 p = 0.001), respectively. Moreover, the probability for freedom of restenosis decreased with increased levels of intermediate subsets at 12 months after PTA. Additionally, intracellular MPO expression in CD14(++)CD16(++) measured at 3, 6 and 12 months associated with an increased restenosis risk (HR = 1.5, 95% CI: 0.8-2.1, p = 0.214, HR = 1.9, 95% CI: 1.0-2.3 p = 0.051 and HR = 1.4, 95% CI: 1.0-1.8, p = 0.052). CONCLUSIONS: Our results imply altered innate immunity after angioplasty. Elevated CD14(++)CD16(++) intermediate monocyte frequencies and increased MPO expression may identify individuals at heightened risk for restenosis.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Angioplasty ; Monocyte ; Neointimal Hyperplasia ; Peripheral Artery Occlusive Disease ; Restenosis; Coronary-artery-disease; Predict Cardiovascular Events; Stent Implantation; Chemoattractant Protein-1; Femoropopliteal Artery; Myocardial-infarction; Human Atherosclerosis; Hypercholesterolemia; Balloon; Heterogeneity
Language
german
Publication Year
2016
HGF-reported in Year
2016
ISSN (print) / ISBN
0021-9150
e-ISSN
1879-1484
Journal
Atherosclerosis
Quellenangaben
Volume: 253,
Pages: 128-134
Publisher
Elsevier
Publishing Place
Amsterdam
Reviewing status
Peer reviewed
Institute(s)
Institute of Molecular Immunology (IMI)
POF-Topic(s)
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s)
Immune Response and Infection
PSP Element(s)
G-501790-001
WOS ID
WOS:000389401200020
PubMed ID
27615596
Erfassungsdatum
2016-09-14