NITs: A Practical Overview: Navigating the Basics
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In this episode, Christie Morrison breaks down the fundamentals of non-invasive testing (NITs) for evaluating patients with fatty liver disease, including MASLD and MASH. She explains the key differences between steatosis (MASLD) and steatohepatitis (MASH), highlighting how non-invasive tests can replace liver biopsy for staging fibrosis. Christy reviews common tools like FIB-4, NAFLD fibrosis score, Enhanced Liver Fibrosis (ELF) score, transient elastography (FibroScan), and MR elastography, and outlines how to choose the right test based on patient factors such as co-morbidities, geography, access to labs, and imaging availability. The episode also emphasizes the importance of fibrosis risk stratification, interpreting FIB-4 cutoffs, and monitoring liver stiffness or ELF scores after initiating lifestyle or pharmacologic treatment—including newer therapies like resmetirom. This is a must-watch for APPs, GI clinicians, and primary care providers seeking to improve care pathways and outcomes in patients with metabolic liver disease through practical, accessible strategies for fibrosis detection and management.
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