Published in:
01-06-2004 | Editorial
Hyperbaric oxygen in systemic inflammatory response
Authors:
Haim Bitterman, Claus-Martin Muth
Published in:
Intensive Care Medicine
|
Issue 6/2004
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Excerpt
In this issue of
Intensive Care Medicine, Dr. Imperatore and coworkers [
1] present their data on the beneficial effects of hyperbaric oxygen (HBO) in a rat model of systemic inflammatory response (SIR) and circulatory shock induced by intraperitoneal injection of zymosan. In their study, HBO therapy prevented hypotension and shock in zymosan-treated rats and improved the impaired response of aortic rings to norepinephrine and acetylcholine ex vivo. Furthermore, HBO decreased the accumulation of malondialdehyde (MDA) (a marker of lipid peroxidation) and reduced tissue staining for iNOS and nitrotyrosine (a marker of “nitrosative stress”) in the aorta. This report follows previous studies of the same group in which they reported that HBO therapy given after injection of zymosan decreased symptomatology, increased survival, reduced peritoneal inflammation and peritoneal accumulation of NO metabolites, attenuated the increase in tissue levels of myeloperoxidase (MPO) and MDA in the lung liver and intestine, and attenuated plasma accumulation of TNF-α [
2,
3]. …