Blood HealthThe dangers of ischemia and brain injury. Posted on June 27, 2015June 27, 2016 by nwright This study of ischemia’s role in the majority of fatal cases of traumatic brain injury shows the importance of early hyperventilation or lowering of blood pressure after injury to prevent brain edema. nwright Stem/Progenitor Cells and Lung Tissue Repair Acute myocardial infarction and progenitor cells.