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Impact of electronegative low-density lipoprotein on angiographic coronary atherosclerotic burden.
MedLine Citation:
PMID:  22640815     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Low density lipoproteins (LDL) with an electronegative charge [LDL(-)] may cause endothelial injury. We assessed the association between serum LDL(-) levels and coronary artery disease (CAD) severity. METHODS: We prospectively enrolled patients with CAD angiographic evidence [stable angina (SA) or non-ST-elevation-acute coronary syndrome (NSTE-ACS)], or with normal coronary arteries (NCA). Baseline LDL(-) serum levels were measured in all patients. Angiographic CAD extent was assessed by using the Bogaty extent index, while CAD severity by evaluating the presence of multi-vessel disease. RESULTS: Forty-seven patients (age 61 ± 9 years, male sex 60%) were enrolled (17 SA, 15 NSTE-ACS and 15 NCA patients). LDL(-) levels were significantly higher in SA [21% (18-34) p = 0.0001] and NSTE-ACS [22% (18-28), p = 0.0001] as compared to NCA [6% (5-8)], without significant differences between SA and NSTE-ACS (p = 0.92). Multi-vessel disease patients had higher LDL(-) levels as compared to single-vessel disease patients (p = 0.002) but similar total LDL levels (p = 0.66). LDL(-) significantly correlated with extent index (r = 0.38, p = 0.03), while total LDL did not (p = 0.24). CONCLUSION: LDL(-) serum levels are associated with CAD angiographic severity and extent. This exploratory analysis should prime further larger studies in order to assess LDL(-) proatherogenic role.
Authors:
Giampaolo Niccoli; Marco Bacà; Marco De Spirito; Tiziana Parasassi; Nicola Cosentino; Giulia Greco; Micaela Conte; Rocco Antonio Montone; Giuseppe Arcovito; Filippo Crea
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-7
Journal Detail:
Title:  Atherosclerosis     Volume:  -     ISSN:  1879-1484     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0242543     Medline TA:  Atherosclerosis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Istituto di Cardiologia, Facoltà di Medicina e Chirurgia, Università Cattolica del Sacro Cuore, Rome, Italy.
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