What does this research mean for the field?

A two-dimensional echography coupled range-gated Doppler system allows for accurate and reproducible non-invasive evaluation of blood flow and arterial compliance in large peripheral arteries, with greater accuracy in the common carotid and femoral arteries than the brachial artery. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to validate a non-invasive Doppler echography method for measuring artery function.

November 1, 1991Clinical Physiology

Non‐invasive evaluation of the conduit function and the buffering function of large arteries in man

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Why the study?

Does a 2D echography coupled range-gated Doppler system accurately measure internal diameter, blood flow velocity, and pulse wave velocity in peripheral arteries of healthy volunteers?

Population

18 healthy volunteers

Design

Cross-sectional

Authors

PDPierre DémolisEuropean Medicines Agency RAR AsmarUniversity of Vienna BLBernard LévyVascular Medicine

Discussion

Member takes

Implication

Supports non-invasive arterial assessment in healthy volunteers; leaves open validation in patients and clinical adoption.

Key Points

This research aims to validate a non-invasive Doppler echography method for measuring artery function.
Utilized a 2D echography coupled range-gated Doppler system for measurements.
Measured internal diameter, blood flow velocity, and pulse wave velocity in 18 healthy volunteers.
Determined arterial compliance and distensibility using simultaneous pulse wave velocity measurements.
Normal internal diameter mean values were CCA 0.636 cm, FA 0.843 cm, BA 0.302 cm.
Blood flow velocities were CCA 19.5 cm/s, FA 11.4 cm/s, BA 6.7 cm/s.
Arterial compliance estimation was more accurate for CCA and FA than for BA.

Structured PICO

Does a 2D echography coupled range-gated Doppler system accurately measure internal diameter, blood flow velocity, and pulse wave velocity in peripheral arteries of healthy volunteers?

Population

18 healthy volunteers

Intervention

Two-dimensional (2D) echography coupled range-gated Doppler system

Outcome

Measurement of internal diameter, blood flow velocity, and pulse wave velocity of peripheral arteriessurrogate

A 2D echography coupled range-gated Doppler system allows for accurate non-invasive evaluation of blood flow and arterial compliance in large peripheral arteries.

Cite This Study

Démolis et al. (1991) studied this question.

synapsesocial.com/papers/6a1b4b72d426719c76abaef8 https://doi.org/10.1111/j.1475-097x.1991.tb00675.x

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Non‐invasive evaluation of the conduit function and the buffering function of large arteries in man

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Non‐invasive evaluation of the conduit function and the buffering function of large arteries in man

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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