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I found the following snippet in the Diving Medicine Online Newsletter. I
know nothing more about this than what I have reproduced below. Does anyone
have any further info or knowledge about this research, or the references
quoted???
This seems to be challenging one of the fundamental principles of using
high O2 mixes...I would like to know more!!

Dave.

" Dr. Claes E. G. Lundgren from the Department of Physiology at the State
University of New York at Buffalo has done extensive research on the diving
physiology of breath-hold diving and decompression sickness. Here are some
interesting findings: 

The common treatment of oxygen breathing during decompression should be
performed at the lowest possible ambient pressure. Dr. Lundgren and his
team found that nitrogen elimination decreased as inhaled oxygen pressure
went up. What does this bode for 'Nitrox' diving? 


References; 
Anderson, D., G. Nagasawa, W. Norfleet, A. Orszowka, and C.E.G. Lundgren.
1991. O2 pressures between 0.12 and 2.5 atm abs, circulatory function, and
N2 elimination. Undersea Biomedical Research 18(4): 279-292. 

Anderson, D.J. George, and C.E.G. Lundgren 1993. Moderate hypercapnia:
cardiovascular function and nitrogen elimination. Undersea & Hyperbaric
Medicine 20(3): 225-232. "


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