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Related Concept Videos

Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

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To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
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Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
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Direct Method
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Related Experiment Video

Updated: Nov 19, 2025

Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
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Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography

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Relationship between ophthalmic artery Doppler and maternal cardiovascular function.

E Gibbone1, I Sapantzoglou1, M E Nuñez-Cerrato1

  • 1Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|February 1, 2021
PubMed
Summary

Increased ophthalmic artery peak systolic velocity (PSV) ratio in mid-gestation predicts pre-eclampsia (PE). This study links the PSV ratio to maternal cardiovascular function, noting associations with increased afterload and left ventricular thickness in PE development.

Keywords:
maternal cardiovascular functionophthalmic artery Dopplerpre-eclampsia

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Area of Science:

  • Maternal-fetal medicine
  • Cardiovascular physiology
  • Diagnostic ultrasound

Background:

  • Elevated ophthalmic artery peak systolic velocity (PSV) ratio in mid-gestation is a predictor of pre-eclampsia (PE).
  • Understanding the relationship between PSV ratio and maternal cardiovascular function is crucial for early PE detection.

Purpose of the Study:

  • To investigate the association between the ophthalmic artery PSV ratio and maternal cardiovascular function in an unselected population.
  • To explore factors influencing ophthalmic artery Doppler assessment in relation to cardiovascular parameters.

Main Methods:

  • Prospective observational study of 2853 pregnancies at 19-23 weeks' gestation.
  • Assessed ophthalmic artery flow velocity waveforms and nine maternal cardiovascular indices.
  • Used regression analysis to examine associations between PSV ratio and cardiovascular indices, adjusting for maternal characteristics.

Main Results:

  • Weak associations were found between PSV ratio and most cardiovascular indices in the general population.
  • A moderate association (r=0.308) was observed between PSV ratio and left ventricular mass indexed for body surface area in the PE subgroup.
  • 76 (2.7%) pregnancies developed PE.

Conclusions:

  • Ophthalmic artery PSV ratio assessment provides insights into peripheral vascular status.
  • Increased PSV ratio in women who develop PE is linked to increased afterload and left ventricular hypertrophy.
  • Findings support the utility of ophthalmic artery Doppler in evaluating cardiovascular changes associated with PE risk.