Is in attendance ever or could near ever be significant gas exchange at the intestinal villi?
I have often wondered if there is any path oxygen and carbon dioxide could be exchanged via the intestinal mucosa sufficiently to make any difference to haemoglobin saturation. If hyperbaric oxygen was present at intestinal villi, how much of it, if any, would combine with haemoglobin contained by the capillaries?
Answers:
I doubt there's sufficient surface area or a good mode to get adequate flow to remove the CO2. The gas flow would be difficult to establish and if successfully done, probably pretty uncomfortable. Its an interesting view though and maybe combined with peritoneal O2 flow it could provide significant gas exchange.
No idea as to what "significant" would be. Enough to support 2 deflated lungs (probably not)? To support less significant degrees of reduced lung function (maybe)?
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Answers:
I doubt there's sufficient surface area or a good mode to get adequate flow to remove the CO2. The gas flow would be difficult to establish and if successfully done, probably pretty uncomfortable. Its an interesting view though and maybe combined with peritoneal O2 flow it could provide significant gas exchange.
No idea as to what "significant" would be. Enough to support 2 deflated lungs (probably not)? To support less significant degrees of reduced lung function (maybe)?
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