Journal
JOURNAL OF PERSONALIZED MEDICINE
Volume 12, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/jpm12020282
Keywords
transient elastography; controlled attenuation parameter; serum fibrosis biomarkers; APRI; FIB-4
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This study aims to optimize a care pathway for identifying significant liver fibrosis in HIV patients by using five simple serum biomarkers. Applying these biomarkers as first tiers can reduce the referrals for transient elastography (TE) examinations. BMI and triglycerides are independent predictors of the discordance between low fibrosis biomarkers and high TE results.
(1) Background: Developing strategies to identify significant liver fibrosis in people with HIV (PWH) is crucial to prevent complications of non-alcoholic fatty liver disease (NAFLD). We aim to investigate if five simple serum biomarkers applied to PWH can optimize a care pathway to identify significant liver fibrosis defined by transient elastography (TE). (2) Methods: A two-tier fibrosis pathway was applied to three prospective cohorts of PWH undergoing TE with CAP. NAFLD was diagnosed as a controlled attenuation parameter >= 248 dB/m. Five simple fibrosis biomarkers (FIB-4 < 1.3, BARD score 0-1, NAFLD fibrosis score < -1.455, AST:ALT ratio < 0.8 and APRI < 0.5) were applied as first-tiers to exclude significant liver fibrosis. We determined the decrease in referral for TE that would have occurred based on biomarker assessment and the discordance between low simple fibrosis biomarkers and high TE (>= 7.1 kPa), indicating significant liver fibrosis. (3) Results: Of the 1749 consecutive PWH, 15.1% had significant liver fibrosis by TE and 39.1% had NAFLD. The application of the fibrosis biomarkers as first tiers would have resulted in a decrease in TE referrals between 24.9% (BARD score) and 86.3% (APRI). The lowest discordance rate was with NAFLD fibrosis score (8.5%). After adjustments, BMI (odds ratio (OR) 1.12, 95% CI: 1.08-1.17) and triglycerides (OR 1.26, 95% CI: 1.11-1.44) were independent predictors of discordance for APRI < 0.5 and TE >= 7.1. The performance of the two-tier pathways was similar in PWH with and without NAFLD. (4) Conclusions: Implementing a two-tier pathway could save a substantial proportion up of TE examinations, reducing costs and helping resource optimization in HIV care. Patients with metabolic risk factors for NAFLD and low fibrosis biomarker may still be considered for TE referral.
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