Reproducibility of Liver-to-Thorax Area Ratio Ultrasound Measurements in Congenital Diaphragmatic Hernia
| Autor: | Tamara A. Freimund, Allan E. Neis, Tracey M. Coleman, Laura F. Sutton, Amber M. Marroquin, Victoria Arruga Novoa y Novoa, Haleh Sangi-Haghpeykar, Rodrigo Ruano, Krystal L. Ruka, Kathleen A. Praska, Vicki L. Warzala |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Thorax
Reproducibility Radiological and Ultrasound Technology business.industry Intraclass correlation Ultrasound Congenital diaphragmatic hernia Reproducibility of Results Prenatal diagnosis medicine.disease Ultrasonography Prenatal Pulmonary hypoplasia Liver Pregnancy Medicine Area ratio Humans Radiology Nuclear Medicine and imaging Female business Nuclear medicine Hernias Diaphragmatic Congenital |
| Zdroj: | Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine. 38(6) |
| ISSN: | 1550-9613 |
| Popis: | Objectives The aim of this study was to investigate the reproducibility of a standardized method to assess the ultrasound liver-to-thoracic area ratio in fetuses with congenital diaphragmatic hernia. Methods We selected 24 images of 9 fetuses diagnosed with left-sided at our institution between January 2010 and December 2017. Eight operators (1 maternal-fetal medicine specialist and 7 sonographers) reviewed the selected images and assessed the ultrasound liver-to-thoracic area ratio according to a standardized protocol. We evaluated the correlation between operators using the intraclass correlation coefficient and compared agreement between the sonographers and a physician with experience in measuring the ultrasound liver-to-thoracic area ratio using a Bland-Altman analysis. Results Good intraoperator reproducibility was observed for the standardized ultrasound liver-to-thoracic area ratio (intraclass correlation coefficient, 0.78). Good agreement among sonographers and the physician was also observed for the standardized measurements (bias, 0.01; precision, 0.03; limits of agreement, -0.05 to + 0.07). Conclusions We demonstrated that good intraoperator and interoperator reproducibility of ultrasound liver-to-thoracic area ratio assessment is feasible after standardizing the method in our center. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text