VEGFA and myocardial infarction: Although there was no significant difference in arterial density between the Exosome group and the DLC‐VEGF/Exo group (8.000 ± 2.098 and 8.000 ± 2.828), it was almost twice that of the DLC‐VEGF group and the MI group (4.000 ± 1.673 and 4.000 ± 1.414).