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Virtual Histology Assessment of Cardiac Allograft Vasculopathy Following Introduction of Everolimus—Results of a Multicenter Trial
Oslo University Hospital Rikshospitalet, Norway.
Oslo University Hospital Rikshospitalet, Norway.
Oslo University Hospital Rikshospitalet, Norway.
Sahlgrenska University Hospital, Gothenburg, Sweden.
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2012 (English)In: American Journal of Transplantation, ISSN 1600-6135, E-ISSN 1600-6143, Vol. 12, no 10, 2700-2709 p.Article in journal (Refereed) Published
Abstract [en]

In this 12-month multicenter Scandinavian study, 78 maintenance heart transplant (HTx) recipients randomized to everolimus with reduced calcineurin inhibitor (CNI) exposure or continued standard CNI-therapy underwent matched virtual histology (VH) examination to evaluate morphological progression of cardiac allograft vasculopathy (CAV). Parallel measurement of a range of inflammatory markers was also performed. A similar rate of quantitative CAV progression was observed in the everolimus (n = 30) and standard CNI group (n = 48) (plaque index 1.9 +/- 3.8% and 1.6 +/- 3.9%, respectively; p = 0.65). However, VH analysis revealed a significant increase in calcified (2.4 +/- 4.0 vs. 0.3 +/- 3.1%; p = 0.02) and necrotic component (6.5 +/- 8.5 vs. 1.1 +/- 8.6%; p = 0.01) among everolimus patients compared to controls. The increase in necrotic and calcified components was most prominent in everolimus patients with time since HTx andgt;5.1 years and was accompanied by a significant increase in levels of von Willebrand (vWF) factor (p = 0.04) and vascular cell adhesion molecule (VCAM) (p = 0.03). Conversion to everolimus and reduced CNI is associated with a significant increase in calcified and necrotic intimal components and is more prominent in patients with a longer time since HTx. A significant increase in vWF and VCAM accompanied these qualitative changes and the prognostic implication of these findings requires further investigation.

Place, publisher, year, edition, pages
Wiley-Blackwell , 2012. Vol. 12, no 10, 2700-2709 p.
Keyword [en]
Cardiac allograft vasculopathy, everolimus, inflammation, virtual histology
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-85087DOI: 10.1111/j.1600-6143.2012.04234.xISI: 000309180000017OAI: diva2:564627

Funding Agencies|Novartis Scandinavia||

Available from: 2012-11-02 Created: 2012-11-02 Last updated: 2012-11-07

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Jansson, Kjell
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CardiologyFaculty of Health SciencesDepartment of Cardiology UHL
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