| Steatosis degree, measured by morphometry, is linked to other liver lesions and metabolic syndrome components in patients with NAFLD. | |
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MedLine Citation:
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PMID: 21904208 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND AND AIM: We carried out morphometric measurements of steatosis to evaluate relationships between steatosis degree and other liver lesions or metabolic syndrome components in nonalcoholic fatty liver disease (NAFLD). PATIENTS AND METHODS: We developed an algorithm to measure steatosis area. Two hundred and fourteen patients with NAFLD were included in derivation (10) and validation (204) groups. Controls consisted of patients who were steatosis-free (12), patients with chronic hepatitis C (188), and patients with alcoholic chronic liver disease (94). RESULTS: Accuracy of steatosis area was considered as good or very good in at least 72% of cases by three pathologists. Steatosis areas were as follows: NAFLD=10.3±9.7%, virus=2.4±3.1%, alcohol=7.8±8.2% (P<0.0001). Steatosis area was closely related to steatosis grades in NAFLD (P<0.0001 for linear trend). Steatosis area increased from the fibrosis stage F0 to the fibrosis state F2, then decreased in the stages F3 and F4 (cirrhosis) (P<0.0001 for quadratic trend). Fibrosis was present in an average steatosis area of approximately 4% (defining significant steatosis) and in nonalcoholic steatohepatitis by approximately 8% (defining severe steatosis). Steatosis and fibrosis area increased symmetrically until approximately 10%, then steatosis area decreased to null as average fibrosis area reached 32%. Average fasting glycemia (approximately 92 mg/dl) or triglycerides and BMI plateaued before a steatosis area of approximately 4%, then increased thereafter. Significant steatosis was present in 61.3% of NAFLD versus 20.2% of viral hepatitis (P<0.0001) and in 58.7% of alcoholic liver diseases (P=0.674). CONCLUSIONS: The average threshold of steatosis area is 4% for the development of fibrosis or metabolic syndrome components and 8% for nonalcoholic steatohepatitis. Steatosis area may contribute to defining the normal range and clinical course of metabolic components. |
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Authors:
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Jérôme Boursier; Julien Chaigneau; Vincent Roullier; Fabrice Lainé; Jeremy Sandrini; Sophie Michalak; Isabelle Hubert; Nina Dib; Frédéric Oberti; Sandrine Bertrais; Gilles Hunault; Yves Deugnier; Marie Christine Rousselet; Christine Cavaro-Ménard; Yves Gallois; Christophe Aubé; Paul Calès; |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-7 |
Journal Detail:
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Title: European journal of gastroenterology & hepatology Volume: - ISSN: 1473-5687 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9000874 Medline TA: Eur J Gastroenterol Hepatol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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aDepartment of Hepato-Gastroenterology bDepartment of Cellular and Tissular Pathology cLaboratory of Biochemistry and Molecular Biology dDepartment of Radiology, University Hospital, Angers eHIFIH Laboratory, UPRES 3859, IFR 132 fLaboratory of the Automated Systems Engineering, UPRES EA 4094, University, Angers; PRES UNAM gCIC Inserm 0203 hDepartment of Hepatology, Pontchaillou University Hospital, Rennes, France. |
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