Mentions: 28 patients (age [mean±standard deviation] 21.1±8.6 years, 5 female, BMI 20.8±3.6 kg/m2) scheduled for surgical correction of PE underwent CMR in a 1.5 T Scanner before and 9.7±1.4 days after surgery (Nuss procedure: implantation of two transthoracical pectus bars). 17 patients returned for a follow up-CMR 95.8±20.2 days after surgery. Cardiac dimensions and function were assessed with cine-SSFP-imaging in short axis orientation for the left ventricle (LV) and for the right ventricle (RV) in axial orientation (imaging parameters: repetition time 2.9 ms; echo time 1.2 ms; flip angle 80°; field of view 340 to 380 mm2; matrix 256 × 146; bandwidth 930 Hz/px; 30 phases per R-R-interval, for LV: slice thickness 7 mm; gap 3 mm, and for RV: slice thickness 5 mm; no gap). Phase contrast CMR (repetition time 38.9 ms; echo time 2.8 ms; flip angle 30°; field of view 219 x 319 mm; matrix 132 x 192; bandwidth 375 Hz/px; slice thickness 5.5 mm) was used to assess RV- and LV stroke volumes (SV). Figure 1
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