Key result
Single ultrasound probe using pulse transit time successfully measures BP changes during FMD.
Why the study?
A single ultrasound probe capable of simultaneously measuring blood pressure and radial artery diameter changes during flow-mediated dilatation was developed to estimate arterial wall viscoelasticity for early arteriosclerosis diagnosis.
A novel single ultrasound probe using the pulse transit time method can simultaneously measure blood pressure and radial artery diameter changes during FMD, potentially aiding in early arteriosclerosis diagnosis.
May support single-probe PTT during FMD; hypothesis-generating and requires validation before any clinical or diagnostic use.
We developed a single ultrasound probe to simultaneously measure blood pressure and changes in the diameter of the radial artery to estimate the wall viscoelasticity during flow-mediated dilatation (FMD). This probe can be used for the early diagnosis of arteriosclerosis. This paper introduces the pulse transit time method to accurately measure changes in blood pressure during FMD. Using the single ultrasound probe and the proposed method, in vivo experiments involving three subjects were conducted, and reasonable results on blood pressure were obtained. Thus, the usefulness of the pulse transit time method was experimentally confirmed.
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Shoji et al. (2021) studied Arteriosclerosis (n=3). Single ultrasound probe using pulse transit time method was evaluated on Changes in blood pressure and radial artery diameter during flow-mediated dilatation. A single ultrasound probe using the pulse transit time method successfully measured changes in blood pressure during flow-mediated dilatation in an in vivo experiment involving three subjects.
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