1. Semi-Automatic Identification of the Fetal Profile and Nasal Bone Measurement at the Time of the Routine Mid-Trimester Ultrasound Scan.
- Author
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Weichert A, Neymeyer J, Hinkson L, Weichert TM, Schmiedel D, and Kalache KD
- Subjects
- Equipment Design, Female, Humans, Image Interpretation, Computer-Assisted instrumentation, Imaging, Three-Dimensional instrumentation, Pregnancy, Prospective Studies, Republic of Korea, Sensitivity and Specificity, Ultrasonography, Prenatal instrumentation, Face diagnostic imaging, Face embryology, Image Interpretation, Computer-Assisted methods, Imaging, Three-Dimensional methods, Nasal Bone diagnostic imaging, Nasal Bone embryology, Pregnancy Trimester, Second, Ultrasonography, Prenatal methods
- Abstract
Purpose: This study was designed to compare nasal bone length (NBL) measurements using a manual multiplanar mode with those made using a newer semi-automatic technique (Volume NT™) acquired by an experienced operator as well as measurements done by two independent observers with different levels of ultrasound experience (conventional 2 D vs. Volume NT™)., Materials and Methods: Ultrasound examination was performed prospectively on 81 pregnant women with a singleton pregnancy at the time of their routine mid-trimester ultrasound scan., Results: The correct mid-sagittal plane of the fetal profile was successfully obtained using the semi-automatic technique in 53 of 81 cases., Conclusion: NBL measurements using conventional two-dimensional techniques showed significantly higher inter-observer variability than the semi-automatic program. Our study shows the feasibility of using a semi-automatic technique, especially for less experienced operators. Measurements obtained with the semi-automatic technique produced much less variable results around a mean than those obtained with conventional two-dimensional ultrasound., (© Georg Thieme Verlag KG Stuttgart · New York.)
- Published
- 2015
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