Orthopedic Injury (General) =========================== þ Posttraumatic Inflammation - after injury, major increase in vascular permeability is 10-30 minutes after injury, with return of normal vascular permeability in about 60 minutes. [Leadbetter WB, Buckwalter JA, Gordon SI [eds]. Sports-Induced Inflammation: Clinical and Basic Science Concepts, AAOS, 1990.]