A randomized, crossover trial using elemental liquid diet or standard semi-solid diet containing 13C sodium acetate as a tracer is performed in both healthy subjects and bedridden gastrostomy-fed patients. 13C breath tests is performed to estimate gastric emptying.
The purpose of this study is to compare the effect of either elemental liquid diet or standard semi-solid diet on gastric emptying in both healthy subjects and bedridden patients receiving gastrostomy feeding.