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Gastroenterology (Expert Forum)
Jejeunal bypass and alcohol absorption
Answered by
Kevin Pho, MD - Internal Medicine
Kevin Pho, MD
Boston - MA
This forum is for questions regarding Gastroenterology issues such as Acid Reflux (GERD), Barretts Esophagus, Colitis, Colon/Bowel Disorders, Crohn's Disease, Diverticulitis/ Diverticulosis, Digestive Disorders, IBS, Stomach Pain.
Jejeunal bypass and alcohol absorption
by SPSCCA, Feb 13, 2004 12:00AM
In 1990 I had undergone a jejeunal bypass, stomach stapling and esophagus banding for treatment of morbid obesity. I have lived with all the side effects of this operation including, but not limited to malabsorption and the lack of efficacy of ingested vitamins and supplements due to the bypassing of the intestine. My specific question/inquiry is this: I have noticed when I am out socially and have partaken in a few cocktails, I feel little to no effect while others around me seem to process (absorb) alcohol differently and they show symptoms of intoxication. I, however, do not seem as affected. The ONLY thing that comes to mind that would make me any "different" is the absorption factor as it affects every other aspect of consumption.
Can you please explain the absorption process, specifically as it may apply to alcohol consumption - and if I decide to have the procedure reversed, will this absorption abnormality on ALL levels continue to exist?
Thank you in advance for your assitance.
Can you please explain the absorption process, specifically as it may apply to alcohol consumption - and if I decide to have the procedure reversed, will this absorption abnormality on ALL levels continue to exist?
Thank you in advance for your assitance.
Doctor's Answer
by Kevin Pho, MD, Feb 16, 2004 12:00AM
, Feb 16, 2004 12:00AM
The jejunum, with its long villi, large absorptive surface, highly concentrated digestive enzymes, and many transport carrier proteins, is the primary digestive and absorptive site for most nutrients. Thus, when the jejunum is resected, there is a temporary reduction in absorption of most nutrients. This reduction in absorption is compensed by adjustments in the ileum.
The ileum is capable of undergoing rather massive adaptation with significant growth in length and function of ileal villi. As a result, there is a gradual improvement in macronutrient absorption following jejunal resection as the ileum adapts.
In regards specficially to alcohol, it is unclear how jejunal bypass affects this. It is primarily metabolized by the liver - and obtaining liver function tests can help assess this. If you decided to have the procedure reversed, it may help with carbohydrate absorption, but the effects on alcohol absorption would be unclear.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.
The ileum is capable of undergoing rather massive adaptation with significant growth in length and function of ileal villi. As a result, there is a gradual improvement in macronutrient absorption following jejunal resection as the ileum adapts.
In regards specficially to alcohol, it is unclear how jejunal bypass affects this. It is primarily metabolized by the liver - and obtaining liver function tests can help assess this. If you decided to have the procedure reversed, it may help with carbohydrate absorption, but the effects on alcohol absorption would be unclear.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.
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