Correlation of DTI metrics (FA, RD, MD, AD) with global efficiency for preoperative CHD (a, c, e) and postoperative CHD (b, d, f) for average FA connectome (a, b), # of tracts connectome (c, d) and adjacency connectome (e, f) (hot colors = positive correlation, cold colors = negative correlation, all regions significant at FWE‐corrected p < .05) [Color figure can be viewed at http://wileyonlinelibrary.com]