4.5 Article

Fibroscan® and Shear Wave correlated well in hepatic fibrosis evaluation of patients with chronic liver diseases in real life situation

Journal

MEDICINE
Volume 101, Issue 32, Pages -

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000030025

Keywords

chronic liver diseases; elastography Shear Wave (R); Fibroscan (R); real life

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This study evaluated the correlation between the measurements of liver fibrosis obtained by Shear Wave Elastography (SWE) and Fibroscan (FS) in patients with chronic liver diseases. The results showed that SWE technique was as efficient as FS for the evaluation of liver fibrosis. SWE allowed noninvasive evaluation of fibrosis for patients who couldn't undergo FS.
Background: A new noninvasive medical device based on ultrasound elastography such as the Shear Wave Elastography (SWE) was designed in order to measure the liver hardness. The purpose of this work was to evaluate the correlation of the results of the liver elasticity measurements obtained by Fibroscan (R) (FS) and SWE for patients with chronic liver diseases. Methods: Between January and October 2017, the patients who were followed during this period of time underwent noninvasive assessments of liver fibrosis by SWE in the intercostal spaces during abdominal ultrasound procedures and/or FS. The correlation between FS and SWE was estimated and tested at a 0.05 significance level. Results: Four hundred and seventy-six patients were included in this study. The main etiologies of chronic liver disease were non alcoholic fatty disease (NAFLD), chronic viral hepatitis B (HBV) and chronic viral hepatitis C (HCV). All patients underwent a SWE and 167 among them underwent a FS procedure. The patients who were followed revealed a median FS measurement of 5.80 kpa (Q25 = 4.90 kPa; Q75 = 8 kPa) and a median SWE measurement of 7.00 kPa (Q25 = 6.10 kPa; Q75 = 8.10 kPa). We could observe a significant correlation between the FS and SWE measurements (0.49; P = .001) in the total cohort. The average absolute difference between the measurements of these 2 methods was of 2.54 kPa (sd = 3.39). There was no significant correlation for patients with NAFLD no matter whether they presented with signs of suspected non alcoholic steatohepatitis (NASH) or not (R = 0.20; P = .108). All patients intending to perform the examination were able to undergo the SWE, allowing 33.3% of the patients who failed the FS to have a noninvasive evaluation of their fibrosis. Conclusion: The SWE technique proved to be as efficient as the FS one for the evaluation of the liver fibrosis in real life situation.

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