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Chenevard, Rémy; Hürlimann, David; Spieker, Lukas; Béchir, Markus; Enseleit, Frank; Hermann, Matthias; Flammer, Andreas J; Sudano, Isabella; Corti, Roberto; Lüscher, Thomas F; Noll, Georg; Ruschitzka, Frank (2012). Reconstituted HDL in acute coronary syndromes. Cardiovascular Therapeutics, 30(2):e51-e57.

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Abstract

Objectives: The strong inverse relationship between plasma high-density lipoprotein (HDL)-cholesterol and atherosclerotic cardiovascular disease provides the epidemiological basis that HDL is atheroprotective. Since HDL enhances cholesterol efflux and exhibits potent antiinflammatory properties, the aim of the present study was to investigate whether infusion of reconstituted HDL (rHDL) impacts on vascular function, a well-established surrogate of atherosclerotic vascular disease, as well as markers of inflammation and oxidative stress in patients with acute coronary syndromes (ACS). Methods: Twenty-nine patients with ACS were randomized to double-blind treatment with rHDL or albumin. Endothelium-dependent and independent vasodilatation to intraarterial acetylcholine and sodium nitroprusside were measured by forearm venous occlusion plethysmography. In addition, oxidized LDL and high-sensitivity C-reactive protein were determined as markers of oxidative stress and vascular inflammation. Results: rHDL infusion increased plasma HDL (P < 0.0001) and decreased LDL (P < 0.0001). Oxidized LDL (P= 0.11), high-sensitivity C-reactive protein (P= 0.12) and the response to endothelium-dependent and -independent vasodilatators remained unchanged after rHDL compared to albumin infusion (14.9 ± 9.2 versus 14.5 ± 12.4, P= 0.93 and 12.8 ± 7.1 versus 13.2 ± 9.6, P= 0.27, respectively). Conclusions: An increase of HDL and a reduction of LDL notwithstanding, human rHDL did not improve vascular function in patients with ACS thus further challenging the clinical benefit of interventions, which rapidly raise HDL in ACS, particularly with the infusion of reconstituted HDL.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
DDC:610 Medicine & health
Language:English
Date:April 2012
Deposited On:07 May 2012 13:04
Last Modified:27 Nov 2013 21:10
Publisher:Wiley-Blackwell
ISSN:1755-5914
Publisher DOI:10.1111/j.1755-5922.2010.00221.x
PubMed ID:20840194
Citations:Web of Science®. Times Cited: 10
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Scopus®. Citation Count: 11

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