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Am J Obstet Gynecol. 1996 Sep;175(3 Pt 1):588-92.

Fetal lung volume determination by three-dimensional ultrasonography.

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1
Department of Prenatal Diagnosis and Therapy, University of Vienna, Austria.

Abstract

OBJECTIVE:

Pulmonary hypoplasia is common in compromised pregnancies. However, prenatal diagnosis by volume measurement has not become routine until now. The performance of three-dimensional ultrasonography in fetal lung volume determination was evaluated in this study.

STUDY DESIGN:

In a total of 78 singleton pregnancies 108 measurements were performed. Lung volume was calculated by subtraction of the fetal heart volume from the volume of the fetal thorax.

RESULTS:

Linear regression of transformed fetal lung volume growth gave best results (R2 = 0.77, p < 0.001), ranging from 2.8 ml at 14 weeks' gestation to 148 ml at term.

CONCLUSION:

Three-dimensional ultrasonography provides not only access to surface rendered images but it also enables more sophisticated volume measurements. In this study three-dimensional ultrasonography provided fast, easy access for volume estimation of the fetal lung. This technique can be used to reasonably predict fetal lung volume.

PMID:
8828418
[Indexed for MEDLINE]
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