Prospective Evaluation of Liver Stiffness Using Transient Elastography in Alcoholic Patients Following Abstinence
2017
Aims Fibroscan® is a non-invasive method to evaluate liver stiffness (LS), however, its accuracy in alcohol-related liver diseases (ALD) especially with respect to active or stopped alcohol drinking is largely unknown. We prospectively evaluated the LS changes in patients with ALD following alcohol withdrawal.
Methods Sixty-four patients were evaluated by FibroScan® and lab tests at baseline and after 4 weeks of abstinence.
Results At baseline, 21 patients (33%) had an abnormal LS (> 7 kPa) and 32 patients (50%) had abnormal liver function tests. More specifically, 3 and 11 subjects had a LS higher than 9.6 kPa and 12.5 kPa, respectively. The LS significantly declined in abstinent from 9.2 ± 10.1 (M±SD) at the baseline to 6.9 ± 6.1 kPa at 4 weeks ( P = 0.03), respectively, while did not change significantly in drinkers. In addition, 80% of abstainers had a significant LS reduction (−2.6 ± 5.5 kPa), compared to drinkers (2.2 ± 3.6 kPa) ( P = 0.004). After 6 months, 27 patients accepted a further evaluation: 22 abstinent and 5 relapsed to drink. At the final evaluation, only 4 out of 22 abstainers had still a LS higher than 7 kPa.
Conclusions During active drinking LS is probably overestimated by Fibroscan® in ALD, since 1 month after abstinence it is dramatically reduced, especially in subjects with baseline values higher than 7 kPa.
Short summary We prospectively evaluated liver stiffness by Fibroscan® in patients with alcohol-related liver disease at baseline and following abstinence. After 1 month of abstinence, the LS is dramatically reduced, especially when values are greater than 7 kPa and transaminase elevated at baseline.
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