Calcium intake and absorption decline after Roux-en-Y bypass.(Gastroenterology) From: Internal Medicine News | Date: January 15, 2005 | COPYRIGHT 2005 International Medical News Group. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

LAS VEGAS -- Calcium absorption decreases about a third after Roux-en-Y gastric bypass surgery, placing patients in jeopardy of clinically significant bone loss, Claudia Riedt said at the annual meeting of the North American Association for the Study of Obesity.

A prospective study of 19 severely obese women found that average total calcium absorption was 137 mg/day in 17 patients who were examined 6 months after surgery. "This is about 40% below the estimated total amou...