RT Journal Article SR Electronic T1 Altered relaxation times in MRI indicate bronchopulmonary dysplasia JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 184 OP 187 DO 10.1136/thoraxjnl-2018-212384 VO 75 IS 2 A1 Förster, Kai A1 Ertl-Wagner, Birgit A1 Ehrhardt, Harald A1 Busen, Hannah A1 Sass, Steffen A1 Pomschar, Andreas A1 Naehrlich, Lutz A1 Schulze, Andreas A1 Flemmer, Andreas W A1 Hübener, Christoph A1 Eickelberg, Oliver A1 Theis, Fabian A1 Dietrich, Olaf A1 Hilgendorff, Anne YR 2020 UL http://thorax.bmj.com/content/75/2/184.abstract AB We developed a MRI protocol using transverse (T2) and longitudinal (T1) mapping sequences to characterise lung structural changes in preterm infants with bronchopulmonary dysplasia (BPD). We prospectively enrolled 61 infants to perform 3-Tesla MRI of the lung in quiet sleep. Statistical analysis was performed using logistic Group Lasso regression and logistic regression. Increased lung T2 relaxation time and decreased lung T1 relaxation time indicated BPD yielding an area under the curve (AUC) of 0.80. Results were confirmed in an independent study cohort (AUC 0.75) and mirrored by lung function testing, indicating the high potential for MRI in future BPD diagnostics.Trial registration DRKS00004600.