Diagnosis of compartment syndrome

An important element in the diagnosis of compartment syndrome is the history of injury, which generally focuses on a mechanism of massive crush trauma. The physical examination must emphasize 1. Pain out of proportion to the injury 4. Paresthesia (early loss of vibratory sensation) Progression of symptoms and objective findings on repeated examination at hourly intervals confirm the diagnosis of compartment syndrome. Particularly important findings are continued severe pain that is unresponsive...

Effects of HBO on the host defence mechanisms

Hamblen47 carried out the first experimental study of the effects of HBO on osteomyelitis in rats. In 1980, in a rabbit model for osteomyelitis, Mader showed how HBO (100 O2 at 2 ata) improved the bactericidal activity of the PMN's against Staphylococci and how intramedullary PO2 increased from 20 mmHg in normoxia to 104 mmHg at 2 ata48. In an in vitro study carried out at the same time, after increasing pressure of oxygen from 45 to 150 mmHg for two hours, the bactericidal activity of PMN's...

Effect of hyperoxia on VO2 of the healthy subject at exercise

Ergospirometry

(Condition of physiological oxygen-supply dependence) Webster23 did not find an ergogenic effect on subsequent incremental exercise performance or maximal oxygen consumption after a 1-hr exposure to HBO at 202.6kPa (2.0ata). Controversial observations and interpretations have been made about the quantity of oxygen uptake in the exercising subject some authors have found an increase of VO2 max with increased DO2 in human24 and animal25 studies, which has not been observed by others26'27....