What is the clinical evidence from this study?

Study design: Review. Intervention: Ultrasonic Doppler flowmetry.

What does this research mean for the field?

Ultrasonic Doppler flowmetry provides noninvasive, dynamic anatomic and physiologic cardiovascular measurements, but its utility is constrained by operator dependence, spatial resolution, and a velocity measurement range of 2 to 200 cm/sec. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

November 1, 1985Postgraduate Medicine

Noninvasive Doppler flowmetry for measuring regional blood flow

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Key result

Ultrasonic Doppler flowmetry provides noninvasive cardiovascular data but faces spatial and velocity constraints.

Structured PICO

Exposure

Noninvasive ultrasonic Doppler flowmetry

Noninvasive Doppler flowmetry is a valuable tool for evaluating cardiovascular physiology, provided its technical and anatomical limitations are understood.

Limitations

Difficult to apply in some subjects (ie, those who are obese or have anatomic variations)
Requires operator skill and a thorough knowledge of human anatomy and cardiovascular dynamics
Has a finite spatial resolution that may compromise the measurement of small (1 mm) vessel diameters
Has a finite velocity-measuring capability that will affect measurements of blood velocities outside the range of approximately 2 to 200 cm/sec
Difficult to apply in obese subjects or those with anatomic variations
Requires operator skill and thorough knowledge of anatomy
Finite spatial resolution compromising measurement of small vessels
Finite velocity-measuring capability (outside 2 to 200 cm/sec)

Discussion

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Implication

May guide noninvasive CV assessment if constraints acknowledged; leaves open prospective validation vs modern standards.

Cite This Study

Greene et al. (1985) reported a review. Ultrasonic Doppler flowmetry was evaluated. Ultrasonic Doppler flowmetry provides noninvasive, dynamic anatomic and physiologic data for evaluating human cardiovascular physiology, though it is limited by spatial and velocity constraints.

synapsesocial.com/papers/6aa724494bfde8663e6dfb59 https://doi.org/10.1080/00325481.1985.11699194

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Noninvasive Doppler flowmetry for measuring regional blood flow

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Noninvasive Doppler flowmetry for measuring regional blood flow

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Also Consider

Also Consider