Work in progress: radioisotopic evaluation of gastroplasty patients.

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Abstract
Radioisotopic gastric emptying studies, using Tc-99m-sulfur-colloid-labeled egg, were performed in 14 patients who had undergone gastroplasty for morbid obesity. The radioisotopic method was a good quantitative indicator of the amount of solids that empty from the stomach and a useful tool in the long-term follow-up of gastroplasty patients. It was particularly helpful in evaluating the efficacy of surgery in patients with poor postsurgical weight reduction.