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© 2007 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 26:1071-1075 • 0278-4297

Technical Advance

Four-Dimensional Sonography of the Fetal Heart With Spatiotemporal Image Correlation Directed at the Interventricular Septum

Stephen A. Myers, DO, Meredith Fresquez, RDMS and Neil Hamill, MD

Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas USA.

Address correspondence to Stephen A. Myers, DO, Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, MetroHealth Medical Center, 2500 MetroHealth Dr, Cleveland, OH 44109-1998 USA. E-mail: smyers{at}metrohealth.org

Objective. The purpose of this report is to describe a new technique to visualize the fetal interventricular cardiac septum in its entirety in a uniform fashion. Methods. Using spatiotemporal image correlation, a technique of volume data manipulation is described to produce standard long-axis, short-axis, and "face-on" views of the interventricular septum. Results. Using the detailed description of volume data manipulation, examples of large and small ventricular septal defects are presented. Conclusions. By using a standardized technique of volume manipulation, complete assessment of the interventricular septum is accomplished. Incorporating the technique into routine fetal heart evaluation is easily accomplished and may aid in the fetal diagnosis of ventricular septal defects.

Key Words: interventricular septum • spatiotemporal image correlation • ventricular septal defect

Abbreviations: 4D, 4-dimensional • STIC, spatiotemporal image correlation • 3D, 3-dimensional • 2D, 2-dimensional • VSD, ventricular septal defect




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Copyright © 2007 by the American Institute of Ultrasound in Medicine.