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Related Experiment Video

Updated: Aug 27, 2025

Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
11:39

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Bedside Cerebral Blood Flow Quantification in Neonates.

Jonathan M Rubin1, Oliver D Kripfgans1, J Brian Fowlkes1

  • 1Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA.

Ultrasound in Medicine & Biology
|October 1, 2022
PubMed
Summary
This summary is machine-generated.

A new ultrasound technique safely measures neonatal brain blood flow, offering a valuable diagnostic tool for conditions like PDA. This non-invasive method is easy to perform and matches existing, more complex techniques.

Keywords:
BiomarkerColor flowPartial volumeReal timeUltrasoundVolume flow

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Area of Science:

  • Neonatal medicine
  • Medical imaging
  • Pediatric cardiology

Background:

  • Assessing neonatal cerebral blood flow is crucial for diagnosing conditions like patent ductus arteriosus (PDA).
  • Current methods for measuring cerebral blood flow in neonates are often invasive, difficult, and pose risks, especially for very low birth weight (VLBW) infants.
  • There is a need for a safe, reliable, and easily applicable technique to measure brain blood flow in newborns.

Purpose of the Study:

  • To develop and validate a non-invasive ultrasound blood volume flow technique for routine assessment of neonatal cerebral blood flow.
  • To compare the accuracy of this new technique with established, more invasive methods.

Main Methods:

  • Utilized an ultrasound blood volume flow technique.
  • Scanned the anterior fontanelles of 10 normal, full-term newborn infants.
  • Estimated total brain blood flow.

Main Results:

  • The developed ultrasound technique successfully estimated total brain blood flow in neonates.
  • The results closely matched published data obtained through more invasive and complex methods.
  • The technique was found to be safe, easy to perform, and did not require contrast agents.

Conclusions:

  • The ultrasound blood volume flow technique is a safe and effective method for measuring neonatal cerebral blood flow.
  • This non-invasive approach has the potential for routine clinical use in monitoring and assessing brain blood flow in various neonatal conditions.
  • The technique offers a valuable, less burdensome alternative to existing methods for evaluating conditions like PDA closure.