Chronic medication changes post op / pharmacokinetics

[Jess_eR 13]

Who has had the experience that their chronic medications have to be changed post op. So ultimately the uptake - or pharmacokinetics of their medications have been changed by RNY.

http://www.medscape.com/viewarticle/754391

" Ingested food and drugs pass through the gastrojejunal anastomosis into the jejunum, effectively bypassing the absorptive surface area of the duodenum. Pancreatic and bile secretions still pass through the duodenum and into the jejunum through the jejunojejunal anastomosis, where they can mix with ingested food and drugs."