Soft tissue volume of upper arm in predicting small-for-gestational-age fetuses using three-dimensional ultrasound

Chiung Hsin Chang, Pei Yin Tsai, Chen Hsiang Yu, Huei Chen Ko, Fong Ming Chang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Purpose: To assess the value of fetal soft tissue volume (STV) of the upper arm in predicting small-for-gestational-age (SGA) fetuses using three-dimensional (3D) ultrasound (US). Methods: We used 3D US to test the accuracy of fetal STV of the upper arm measurement in predicting SGA in a prospective cross-sectional study. Results: Fetal STV of the upper arm assessed by 3D US can differentiate SGA fetuses from appropriate-for-gestational-age (AGA) fetuses. Using the 5th percentile as the cutoff, the sensitivity of fetal upper arm STV in predicting SGA fetuses was 84.1%, specificity, 93.4%, positive predictive value, 71.1%, negative predictive value, 96.8%, and overall accuracy, 91.9%. In addition, the diagnostic accuracy of fetal arm STV was better than that of the biparietal diameter, abdominal circumference, and femur length. Conclusion: Fetal STV of upper arm assessment by 3D US is a novel method to predict SGA fetuses.

Original languageEnglish
Pages (from-to)21-26
Number of pages6
JournalJournal of Clinical Ultrasound
Volume39
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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