Levervetfractie (%PDFF)
LeverOok bekend als: levervet, PDFF, leververvetting, hepatische vetfractie
Proton Density Fat Fraction-meting van de lever, die het levervetgehalte kwantificeert.
Verhoogde waarden wijzen op leversteatose (leververvetting), die kan overgaan in ernstiger leveraandoeningen.
Referentiewaarden
Bron: Ahead Health benchmark
Referentiewaarden kunnen per lab en testmethode verschillen. Bespreek je uitslag altijd met je arts.
Waarom dit belangrijk is
Elevated liver fat indicates fatty liver disease. This condition often develops silently, increasing risk for diabetes, cardiovascular disease, and progressive liver damage. Advanced stages can lead to fibrosis or cirrhosis with symptoms such as jaundice, swelling, and confusion. Because liver fat is strongly influenced by body weight, diet, physical activity, and alcohol intake, early detection is valuable since lifestyle changes can often reverse fatty liver before permanent damage occurs.
Hoe dit samenhangt met andere biomarkers
- Liver fat fraction (PDFF) > 5% defines fatty liver (steatosis); > 15% is moderate, > 25% severe.
- Elevated PDFF with elevated Alanine Aminotransferase (ALAT), central obesity, and high HOMA-Index confirms metabolic-associated fatty liver disease (MASLD, formerly called NAFLD).
- Progressing liver scarring (fibrosis) is signaled by rising Fibrose-Score (FIB-4) and falling Albumin — PDFF measures fat, not scarring.
Veelgestelde vragen
Inbegrepen in
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