The Value of Echocardiography in Diagnosing Fetal Tetralogy of Fallot

Lin-kun TA; Yan-ling HUANG; Yong-ping LU

doi:10.12259/j.issn.2095-610X.S20210126

Volume 42 Issue 1

Jan. 2021

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Lin-kun TA, Yan-ling HUANG, Yong-ping LU. The Value of Echocardiography in Diagnosing Fetal Tetralogy of Fallot[J]. Journal of Kunming Medical University, 2021, 42(1): 142-146. doi: 10.12259/j.issn.2095-610X.S20210126

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Lin-kun TA, Yan-ling HUANG, Yong-ping LU. The Value of Echocardiography in Diagnosing Fetal Tetralogy of Fallot[J]. Journal of Kunming Medical University, 2021, 42(1): 142-146. doi: 10.12259/j.issn.2095-610X.S20210126

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The Value of Echocardiography in Diagnosing Fetal Tetralogy of Fallot

doi: 10.12259/j.issn.2095-610X.S20210126

Dept. of Ultrasound，The Second People’s Hospital of Yunnan Province，Kunming Yunnan 650021，China

Received Date: 2020-07-29
Publish Date: 2021-01-25

Abstract

Abstract

Objective To analyze the value of echocardiography in the diagnosis of fetal tetralogy of Fallot（TOF）. Methods 558 pregnant women who underwent fetal echocardiography in the department of ultrasound of the Second People's Hospital of Yunnan Province from January 2017 to June 2019 were selected as the research objects. The pathological anatomy after the induction of labor and the results of postpartum echocardiography follow-up were as used the gold standard to calculate the prenatal echocardiography. The diagnosis sensitivity, specificity, accuracy rate were shown, and the sound image characteristics of TOF were analyzed. Results A total of 558 pregnant women underwent the echocardiographic examination. After the induction of labor, pathological anatomy and postpartum echocardiographic follow-up results confirmed a total of 25 cases of TOF fetus. Prenatal echocardiography detected 26 cases of TOF fetus, 20 cases of typical TOF with pulmonary artery stenosis, 3 cases of pulmonary atresia with ventricular septal defect, 2 cases of TOF with absent pulmonary valve, 2 cases of misdiagnosis, and 1 case of missed diagnosis. The diagnostic sensitivity, specificity, accuracy, misdiagnosis rate and missed diagnosis rate of prenatal echocardiography were approximately 96%（24/25）, 99.62%（531/533）, 99.46%（555/558）, 0.38%（2/533）and 4%（1/25）, respectively. It is mainly characterized by ventricular septal defect, aortic straddling, pulmonary artery stenosis, atresia, and absence of pulmonary valve. Conclusion Prenatal fetal echocardiography is the most important imaging method for the diagnosis of TOF, and it has important clinical guiding significance for evaluating the prognosis of the fetus.
- Echocardiography,
- Tetralogy of Fallot,
- Value

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References(16)

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