Validation of volume and mass assessments for human fetal heart imaging by 4-dimensional spatiotemporal image correlation echocardiography

In vitro baloon model experiments

Aarti Hejmadi Bhat, Virginia N. Corbett, Ruolan Liu, Nathan D. Carpenter, Nick W. Liu, Anna M. Wu, Graham D. Hopkins, Xiaokui Li, David Sahn

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Objective. This study was designed to validate a slow-sweep real-time 4-dimensional (4D) spatiotemporal image correlation method for producing quantitatively accurate dynamic fetal heart images using an in vitro pulsatile balloon model and apparatus. Methods. To model fetal heart chambers, asymmetric double-walled finger stalls (tips of surgical latex gloves) were used and attached to a laboratory-designed circuit that allowed calibrated changes in the inner balloon volume as well as an intermediate gel mass interposed between the 2 layers. The water-submerged model was attached to a small-volume pulsatile pump to produce phasic changes in volume within the inner balloon at a fixed rate. A sonography system with 4D spatiotemporal image correlation (STIC) capabilities was used for 3-dimensional (3D) and 4D data acquisition. Volume data were analyzed by customized radial summation techniques with 4D data analysis software and compared with known volumes and masses. Results. Fifty-six individual volumes ranging from 2.5 to 10 mL were analyzed. Volume and mass measurements with 4D STIC were highly correlated (R2 > 0.90). The mean percentage error was better (

Original languageEnglish (US)
Pages (from-to)1151-1159
Number of pages9
JournalJournal of Ultrasound in Medicine
Volume23
Issue number9
StatePublished - Sep 2004

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echocardiography
Fetal Heart
Echocardiography
Surgical Gloves
Latex
Fingers
balloons
Ultrasonography
Software
Gels
Water
gloves
latex
In Vitro Techniques
data acquisition
chambers
gels
pumps
computer programs
water

Keywords

  • 3-dimensional echocardiography
  • 4-dimensional echocardiography
  • Fetal echocardiography
  • Spatiotemporal image correlation

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Acoustics and Ultrasonics

Cite this

Validation of volume and mass assessments for human fetal heart imaging by 4-dimensional spatiotemporal image correlation echocardiography : In vitro baloon model experiments. / Bhat, Aarti Hejmadi; Corbett, Virginia N.; Liu, Ruolan; Carpenter, Nathan D.; Liu, Nick W.; Wu, Anna M.; Hopkins, Graham D.; Li, Xiaokui; Sahn, David.

In: Journal of Ultrasound in Medicine, Vol. 23, No. 9, 09.2004, p. 1151-1159.

Research output: Contribution to journalArticle

Bhat, Aarti Hejmadi ; Corbett, Virginia N. ; Liu, Ruolan ; Carpenter, Nathan D. ; Liu, Nick W. ; Wu, Anna M. ; Hopkins, Graham D. ; Li, Xiaokui ; Sahn, David. / Validation of volume and mass assessments for human fetal heart imaging by 4-dimensional spatiotemporal image correlation echocardiography : In vitro baloon model experiments. In: Journal of Ultrasound in Medicine. 2004 ; Vol. 23, No. 9. pp. 1151-1159.
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