Document Detail

Coronary flow reserve is impaired in patients with nonalcoholic fatty liver disease: association with liver fibrosis.
MedLine Citation:
PMID:  20181335     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is associated with an increased risk of cardiovascular disease. Coronary flow reserve (CFR) is widely used to examine the integrity of coronary microvascular circulation. We evaluated the prevalence of impaired CFR in patients with biopsy-proven NAFLD. We also investigated the independent clinical, biochemical, and liver histology predictors of CFR in the setting of NAFLD. METHODS: Fifty-nine consecutive patients with NAFLD and 77 age- and gender-matched controls were evaluated. CFR recordings were performed by transthoracic Doppler harmonic echocardiography. CFR>or=2.0 was considered normal. RESULTS: CFR was significantly lower in patients with NAFLD than in controls (2.11+/-0.45 vs. 2.52+/-0.62, P<0.001). An impaired CFR (i.e. <2) was found in 25 NAFLD patients (42.4%) whereas all controls had normal CFR values (P<0.001). A stepwise linear regression analysis in NAFLD patients identified liver fibrosis scores as the only independent predictor of CFR values (beta=-0.60; t=-2.44, P=0.021). CONCLUSION: Our findings indicate that in patients with biopsy-proven NAFLD: (a) an abnormal CFR is found in approximately 42.4% of cases, and (b) liver fibrosis scores are an independent predictor of depressed CFR.
Yusuf Yilmaz; Ramazan Kurt; Oya Yonal; Nihat Polat; Cigdem Ataizi Celikel; Ahmet Gurdal; Huseyin Oflaz; Osman Ozdogan; Nese Imeryuz; Cem Kalayci; Erol Avsar
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Publication Detail:
Type:  Journal Article     Date:  2010-02-07
Journal Detail:
Title:  Atherosclerosis     Volume:  211     ISSN:  1879-1484     ISO Abbreviation:  Atherosclerosis     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-12     Completed Date:  2010-10-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0242543     Medline TA:  Atherosclerosis     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  182-6     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 Elsevier Ireland Ltd. All rights reserved.
Department of Gastroenterology, Marmara University School of Medicine, Tophanelioglu Cad. No: 13/15 Altunizade, 34662 Istanbul, Turkey.
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MeSH Terms
Blood Flow Velocity*
Coronary Circulation*
Fatty Liver / complications,  pathology,  physiopathology*
Liver Cirrhosis / complications,  pathology,  physiopathology*
Middle Aged

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