Prenatal MRI assessment of mediastinal shift angle as a feasible and effective risk stratification tool in isolated right-sided congenital diaphragmatic hernia

Objectives To develop a mediastinal shift angle (MSA) measurement method applicable to right-sided congenital diaphragmatic hernia (RCDH) in fetal MRI and to validate the predictive value of MSA in RCDH. Methods Twenty-seven fetuses with isolated RCDH and 53 controls were included in our study. MSA...

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Veröffentlicht in:European radiology 2024-03, Vol.34 (3), p.1524-1533
Hauptverfasser: Ding, Wen, Gu, Yuanyuan, Wang, Haiyu, Wu, Huiying, Zhang, Xiaochun, Zhang, Rui, Wang, Hongying, Huang, Li, Lv, Junjian, Xia, Bo, Zhong, Wei, He, Qiuming, Hou, Longlong
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Sprache:eng
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Zusammenfassung:Objectives To develop a mediastinal shift angle (MSA) measurement method applicable to right-sided congenital diaphragmatic hernia (RCDH) in fetal MRI and to validate the predictive value of MSA in RCDH. Methods Twenty-seven fetuses with isolated RCDH and 53 controls were included in our study. MSA was measured on MRI axial image at the level of four-chamber view of the fetal heart. The angle between the sagittal midline landmark line and the left boundary landmark line touching tangentially the lateral wall of the left ventricle was used to quantify MSA for RCDH. Appropriate statistical analyses were performed to determine whether MSA can be regarded as a valid predictive tool for postnatal outcomes. Furthermore, predictive performance of MSA was compared with that of lung area to head circumference ratio (LHR), observed/expected LHR (O/E LHR), total fetal lung volume (TFLV), and observed/expected TFLV (O/E TFLV). Results MSA was significantly higher in the RCDH group than in the control group. MSA, LHR, O/E LHR, TFLV, and O/E TFLV were all correlated with postnatal survival, pulmonary hypertension (PH), and extracorporeal membrane oxygenation (ECMO) therapy ( p  
ISSN:1432-1084
0938-7994
1432-1084
DOI:10.1007/s00330-023-10178-1