Key result
Analyzing minimum (10-12 wk) versus maximum (50-66 wk) cholesterol decay curve lengths yielded a 14% larger input rate (1.24 vs 1.09 g/day) and 26% smaller total exchangeable mass (67 vs 91 g).
Observational (n=23)
Long-term observation (up to 50-66 weeks) is necessary for accurate estimation of total exchangeable cholesterol mass and turnover using radioactive cholesterol decay curves, as shorter observation periods significantly underestimate total mass.
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Short-term cholesterol decay curves may bias kinetic estimates; leaves open the need for prolonged monitoring in future turnover studies.
Samuel et al. (1973) conducted an observational in Normolipidemia and hypercholesterolemia (n=23). Minimum (10-12 wk) lengths of cholesterol decay curves vs. Maximum lengths of curves (50-66 wk) was evaluated on Differences in turnover rates and exchangeable masses of cholesterol. Analyzing minimum (10-12 wk) versus maximum (50-66 wk) cholesterol decay curve lengths yielded a 14% larger input rate (1.24 vs 1.09 g/day) and 26% smaller total exchangeable mass (67 vs 91 g).
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