Why the study?
Is non-invasive endothelial function assessment by brachial artery flow-mediated dilatation reliable between different observers?
Is non-invasive endothelial function assessment by brachial artery flow-mediated dilatation reliable between different observers?
Brachial artery flow-mediated dilatation exhibits significant inter-observer variability, limiting its utility as a single-measurement screening test based on predefined cut-offs.
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Inter-observer FMD variability warrants caution for single measurements; leaves open need for standardized protocols and training.
Šejda et al. (2005) studied this question.
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