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1.
Aliment Pharmacol Ther ; 37(4): 392-400, 2013 Feb.
Article in English | MEDLINE | ID: mdl-23278163

ABSTRACT

BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) encompasses a wide spectrum of clinical conditions, actually representing an emerging disease of great clinical interest. Currently, its diagnosis requires liver biopsy, an invasive procedure not free from potential complications. However, several non-invasive diagnostic strategies have been proposed as potential diagnostic alternatives, each with different sensitivities and accuracies. AIM: To review non-invasive diagnostic parameters and tools for NAFLD diagnosis and to formulate a diagnostic and prognostic algorithm for a better classification of patients. METHODS: A literature search was carried out on MEDLINE, EMBASE, Web of Science and Scopus for articles and abstracts in English. The search terms used included 'NAFLD', 'non invasive method and NAFLD', 'transient elastography' and 'liver fibrosis'. The articles cited were selected based on their relevancy to the objective of the review. RESULTS: Ultrasonography still represents the first-line diagnostic tool for simple liver steatosis; its sensitivity could be enhanced by the complex biochemical score SteatoTest. Serum cytokeratin-18 is a promising and accurate non-invasive parameter (AUROCs: 0.83; 0.91) for the diagnosis of non-alcoholic steatohepatitis (NASH). The staging of liver fibrosis still represents the most important prognostic problem: the most accurate estimating methods are FibroMeter, FIB-4, NAFLD fibrosis score (AUROCs: 0.94; 0.86; 0.82) and transient elastography (AUROC: 0.84-1.00). CONCLUSIONS: Different non-invasive parameters are available for the accurate diagnosis and prognostic stratification of non-alcoholic fatty liver disease which, if employed in a sequential algorithm, may lead to a reduced use of invasive methods, i.e. liver biopsy.


Subject(s)
Fatty Liver/diagnosis , Biopsy/methods , Elasticity Imaging Techniques/methods , Humans , Liver Cirrhosis/diagnosis , Non-alcoholic Fatty Liver Disease , Reproducibility of Results , Severity of Illness Index
3.
Eur J Ophthalmol ; 16(6): 883-6, 2006.
Article in English | MEDLINE | ID: mdl-17191201

ABSTRACT

PURPOSE: To assess macular structure and function by optical coherence tomography (OCT) and focal electroretinogram (FERG) before and after intravitreal triamcinolone acetonide (IVTA) administration for cystoid macular edema (CME) in a patient with retinitis pigmentosa (RP). METHODS: A 33-year-old man with RP and refractory bilateral macular edema was treated with IVTA in his left eye and evaluated with visual acuity, OCT, and FERG for 6 months. RESULTS. Compared to the fellow eye, after IVTA mean retinal thickness significantly decreased, while FERG amplitude and phase did not show significant changes at the end of follow-up. Visual acuity showed a significant tendency to improve. CONCLUSIONS: In this case report, IVTA improved macular anatomy and visual acuity; this result, however, was not associated with a similar electrophysiologic response.


Subject(s)
Electroretinography , Glucocorticoids/therapeutic use , Macular Edema/drug therapy , Retina/drug effects , Retinitis Pigmentosa/complications , Tomography, Optical Coherence , Triamcinolone Acetonide/therapeutic use , Adult , Fluorescein Angiography , Humans , Injections , Macular Edema/diagnosis , Macular Edema/etiology , Male , Retina/pathology , Visual Acuity/drug effects , Vitreous Body
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