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Use of Lung‐Thorax Transverse Area Ratio in the Antenatal Evaluation of Lung Hypoplasia in Congenital Diaphragmatic Hernia
Author(s) -
Hasegawa Toshimichi,
Kamata Shinkichi,
Imura Kenji,
Ishikawa Shirou,
Okuyama Hiroomi,
Okada Akira,
Chiba Yoshihide
Publication year - 1990
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/jcu.1990.18.9.705
Subject(s) - medicine , congenital diaphragmatic hernia , pulmonary hypoplasia , thorax (insect anatomy) , lung , hypoplasia , diaphragmatic hernia , fetus , diaphragmatic breathing , transverse diameter , anatomy , hernia , radiology , pathology , pregnancy , genetics , alternative medicine , biology
For evaluation of lung hypoplasia in congenital diaphragmatic hernia (CDH), we measured lung‐thorax transverse area ratio (LT ratio), which was defined as the area of bilateral lung profiles divided by the profile area of thorax at the level of the four‐chamber view of the heart, using fetal ultrasonography. LT ratio in cases with CDH was lower than that in the control group and related well to the postnatal respiratory condition. Measurement of LT ratio using fetal ultrasonography may be useful in predicting the degree of lung hypoplasia in fetuses with CDH.