New findings involving the brain in traumatic and septic shock and after brain injury are reported in this book, including pathophysiological and pathohistological results. An experimental and clinical approach to treatment is presented together with specific results obtained from the encephalogram and from histopathological study with regard to the immunohishemistry of toxic lipid peroxidant products. The latest results of clinical and experimental pathophysiology in inflammatory processes after traumatic brain injury and the therapeutic effects of hypertonic fluid therapy are also discussed..