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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Failure of heparin, superoxide dismutase, and catalase to protect against decompression sickness.

The effects of heparin (HEP), superoxide dismutase (SOD), and catalase (CAT) on the course of decompression sickness (DCS) were studied in anesthetized dogs (Canis familiaris). Animals were divided into 4 groups: a drug assay group (n = 4) received HEP + SOD or HEP + SOD + CAT but were not dived; a control group (n = 14) was dived without drug treatment; a HEPSOD group (n = 11) received HEP + SOD predive and postdive; and a HEPSODCAT group (n = 15) received HEP + SOD + CAT before diving. All dived animals were subjected to repetitive air dives to 10 ATA until pulmonary artery pressure at least doubled within 10 min postdive. Physiologic variables were measured for 3 h postdive or until death. Animals were not recompressed. More early deaths occurred in the HEPSOD (7/11) and HEPSODCAT (8/15) groups than in the control group (5/14). All dived animals developed pulmonary hypertension, systemic hypotension, hemoconcentration, acidosis, hypoxemia, and interstitial pulmonary edema postdive. Drug therapy did not alter these responses to decompression. We conclude that without recompression, treatment with either HEP + SOD OR HEP + SOD + CAT does not improve the outcome of severe DCS in this animal model.[1]

References

  1. Failure of heparin, superoxide dismutase, and catalase to protect against decompression sickness. Catron, P.W., Thomas, L.B., McDermott, J.J., Holt, M.A., Harabin, A.L., Flynn, E.T. Undersea biomedical research. (1987) [Pubmed]
 
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