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Subject: Re: gas exchange rates as they effect nitrogen saturation
Date: Wed, 6 Mar 96 19:40:49 -0000
From: Robert Wolov <wolov@hi*.co*>
To: "Nick Simicich" <njs@sc*.ma*.co*>,
     "tech diver mailing list"
>Hmmmm...other then possibly reintroducing bubbles into the bloodstream, 
>what are the negative effects of bubbles in fatty tissue?

Other then possibly "micro-bubbles" (with injudicious ascents) I'm not 
aware of any frank bubbles at all in the fat per se (like the CO2 in a 
still capped soda bottle). The gas is dissolved in the fat cell's fluid 
(cytoplasm). 

What we have seen (in research conducted at AFIP and Walter Reed)  is 
that the fat cells swell when various gases (especially N2) gets 
dissolved in the fat. It's this swelling in an enclosed space (the bone's 
marrow compartment) that causes a pressure buildup. Our theory is that 
that's one one the contributing causes of dysbaric osteonecrosis. So I 
suppose that counts as a "negative effect of bubbles in fatty tissue".

Hope that's of some help at least. 

Robb Wolov  

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