Document Detail


Radiation-induced Carotid Stenotic Lesions have a more Stable Phenotype than De Novo Atherosclerotic Plaques.
MedLine Citation:
PMID:  22436263     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To identify plaque characteristics of carotid artery radiation-induced stenosis. MATERIALS AND METHODS: Nineteen carotid plaques were obtained during carotid endarterectomy (CEA) in 17 consecutive patients with prior cervical radiation therapy (XRT) (median interval 10 years) and compared with 95 matched control carotid plaques of patients without a history of XRT. The following histopathological factors were assessed: calcification, collagen, macrophages, smooth muscle cells, atheroma, microvessels and intraplaque haemorrhage. Association of individual histological parameters with XRT plaque was analysed through a multivariable regression model. RESULTS: Less infiltration of macrophages (6/19 versus 60/95, adjusted p = 0.003) and a smaller lipid core size (Atheroma >10%: 10/19 versus 80/95, adjusted p = 0.006) were independently associated with XRT plaque, compared to non-XRT plaques. CONCLUSIONS: Carotid stenotic lesions in patients with previous cervical radiation are less inflammatory and more fibrotic than carotid atherosclerotic lesions in non-radiated patients.
Authors:
M Fokkema; A G den Hartog; G W van Lammeren; M L Bots; G Pasterkamp; A Vink; F L Moll; G J de Borst
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-19
Journal Detail:
Title:  European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery     Volume:  -     ISSN:  1532-2165     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9512728     Medline TA:  Eur J Vasc Endovasc Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 European Society for Vascular Surgery. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands.
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