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BACKGROUND Nadroparin is used during hemodialysis to prevent clotting of the extra corporeal system. During nocturnal hemodialysis patients receive an increased dosage of nadroparin compared to conventional hemodialysis. We tested whether the prescribed dosage regimen of nadroparin, according to Dutch guidelines, causes accumulation of nadroparin. METHODS(More)
BACKGROUND Cholesterol, required for adrenal steroid hormone synthesis, is at least in part derived from circulating lipoproteins. The contribution of high-density lipoproteins (HDL) and low-density lipoproteins (LDL) to adrenal steroidogenesis in humans is unclear. OBJECTIVE The aim of the study was to determine the extent to which HDL and LDL are taken(More)
BACKGROUND Urinary steroid profiling (USP) is a powerful diagnostic tool to asses disorders of steroidogenesis. Pre-analytical factors such as age, sex and use of oral contraceptive pills (OCP) may affect steroid hormone synthesis and metabolism. In general, USP reference intervals are not adjusted for these variables. In this study we aimed to establish(More)
BACKGROUND Cholesterol trafficked within plasma lipoproteins, in particular high-density lipoproteins (HDL), may represent an important source of cholesterol that is required for adrenal steroidogenesis. Based on a urinary gas chromatography method, compromised adrenal function has been suggested in men but not in women with (genetically determined) low(More)
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