Methods: Seven Italian centers recruited 135 healthy volunteers, aged 20-60 years. FMD was assessed by high-resolution ultrasound equipped with a stereotactic probe-holding device. Certified sonographers recorded brachial artery scans at baseline (day 1a), 1 h after (day 1b), and 1 month later (day 30). Endothelium-independent vasodilation (EIVD) to sublingual glyceril-trinitrate was recorded at day 1 and day 30. FMD and EIVD were blindly evaluated at the coordinating center by an automated edge detection system. The intra-session (day la versus 1b) and inter-session (day la versus 30) coefficients of variation were calculated.
Assessment of flow-mediated dilation reproducibility: a nationwide multicenter study
Faita Francesco;Gemignani Vincenzo;
2012
Abstract
Methods: Seven Italian centers recruited 135 healthy volunteers, aged 20-60 years. FMD was assessed by high-resolution ultrasound equipped with a stereotactic probe-holding device. Certified sonographers recorded brachial artery scans at baseline (day 1a), 1 h after (day 1b), and 1 month later (day 30). Endothelium-independent vasodilation (EIVD) to sublingual glyceril-trinitrate was recorded at day 1 and day 30. FMD and EIVD were blindly evaluated at the coordinating center by an automated edge detection system. The intra-session (day la versus 1b) and inter-session (day la versus 30) coefficients of variation were calculated.File in questo prodotto:
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