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      Carotid Intima-Media Thickness Is Increased Not Only in Non-Alcoholic Fatty Liver Disease Patients but Also in Alcoholic Fatty Liver Patients

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          Abstract

          Background/Aims: There are many reports of non-alcoholic fatty liver disease (NAFLD) patients with increased carotid intima-media thickness (IMT). However, there is little information about carotid IMT in alcoholic fatty liver disease (AFLD) patients. We aimed to compare the carotid IMT of NAFLD patients and AFLD patients. Methods: The medical records of individuals who underwent carotid IMT measurement and abdominal ultrasonography between January 2006 and December 2008 at Korea University Ansan Hospital were retrospectively reviewed. The patients were divided into group A (no fatty liver without alcohol history), group B (NAFLD), group C (AFLD) and group D (no fatty liver with alcohol history). The carotid IMT results were compared across all groups. Results: The mean carotid IMT was 0.55 ± 0.1 mm for group A, 0.6 ± 0.1 mm for group B, 0.59 ± 0.1 mm for group C, and 0.54 ± 0.1 mm for group D. There were significant differences between groups A and B, groups A and C, and groups C and D (p < 0.05), but there were no differences between groups B and C (p = 0.736). Conclusions: We determined that patients with fatty livers have an increased carotid IMT both in NAFLD and AFLD patients.

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          Most cited references26

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          Nonalcoholic fatty liver disease and nonalcoholic steatohepatitis: Selected practical issues in their evaluation and management.

          Nonalcoholic fatty liver disease (NAFLD) is among the most common causes of chronic liver disease in the western world. It is now recognized that these patients have myriad of important co-morbidities (e.g., diabetes, hypothyroidism and metabolic syndrome). The workup of patients with suspected NAFLD should consist of excluding competing etiologies and systemic evaluation of metabolic comorbidities. NAFLD is histologically categorized into steatosis and steatohepatitis, two states with fairly dichotomous natural history. While significant progress has been made in terms of noninvasively predicting advanced fibrosis, insufficient progress has been made in predicting steatohepatitis. Currently, liver biopsy remains the gold standard for the histological stratification of NAFLD. While sustained weight loss can be effective to treat NASH, it is often difficult to achieve. Foregut bariatric surgery can be quite effective in improving hepatic histology in selected patients without liver failure or significant portal hypertension. Thiazolidinediones have shown promise and the results from the ongoing, large multicenter study should become available soon. Large multicenter studies of CB, receptor anatagonists are also underway but their results will not be available for several years. Several recent studies have highlighted that cardiovascular disease is the single most important cause of morbidity and mortality in this patient population. Health care providers should not only focus on liver disease but also concentrate on aggressively modifying and treating their cardiovascular risk factors.
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            Nonalcoholic fatty liver disease is independently associated with an increased incidence of cardiovascular events in type 2 diabetic patients.

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              Endothelial dysfunction and cardiovascular risk profile in nonalcoholic fatty liver disease.

              Nonalcoholic fatty liver disease (NAFLD) is consistently associated with features of the metabolic syndrome, a condition carrying a high risk of cardiovascular events. We measured the vasodilatory response of the brachial artery in response to ischemia (a test of endothelial function) (FMV) as well as cardiovascular risk profile in 52 NAFLD cases and 28 age- and sex-matched controls. The 10-year risk of coronary events was calculated according to the Framingham equation and the scores derived from the PROCAM study and NCEP-ATPIII proposals. FMV was 6.33% +/- 5.93% in NAFLD versus 12.22% +/- 5.05% in controls (P < .0001), and higher in pure fatty liver (9.93%) compared with nonalcoholic steatohepatitis (4.94%) (P = .010). No differences were observed in flow-independent vasodilation (response to sublingual nitroglycerin). Percent FMV was negatively associated with insulin resistance (homeostasis model assessment) in the whole population (r = -0.243; P = .030). In logistic regression analysis, NAFLD was associated with a percent FMV in the lower tertile (OR, 6.7; 95% CI, 1.26-36.1), after adjustment for age, sex, body mass index, and insulin resistance. Among NAFLD patients, low FMV was associated with nonalcoholic steatohepatitis (adjusted OR, 6.8; 95% CI, 1.2-40.2). The 10-year probability of cardiovascular events was moderately increased in NAFLD, and particularly in nonalcoholic steatohepatitis. In conclusion, our study provides evidence of endothelial dysfunction and increased risk of cardiovascular events in NAFLD. The risk of advanced liver disease is well recognized in NAFLD patients, but the large majority of cases might experience cardiovascular disease in the long term, indirectly limiting the burden of liver failure.
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                Author and article information

                Journal
                DIG
                Digestion
                10.1159/issn.0012-2823
                Digestion
                S. Karger AG
                0012-2823
                1421-9867
                2011
                August 2011
                27 April 2011
                : 84
                : 2
                : 149-155
                Affiliations
                aDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, and bDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
                Author notes
                *Jeong Han Kim, MD, PhD, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Gojan-dong, Danwon-gu, Ansan-si, Gyeonggi-do 425-707 (Korea), Tel. +82 31 412 6707, E-Mail 93haan@hanmail.net
                Article
                326854 Digestion 2011;84:149–155
                10.1159/000326854
                21525770
                e5888603-7411-44dd-9c57-a364a6f44268
                © 2011 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                : 21 October 2010
                : 30 January 2011
                Page count
                Tables: 5, Pages: 7
                Categories
                Original Paper

                Oncology & Radiotherapy,Gastroenterology & Hepatology,Surgery,Nutrition & Dietetics,Internal medicine
                Carotid intima-media thickness,Non-alcoholic fatty liver disease,Fatty liver

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