Gastroparesis is a chronic motility disorder of the stomach that involves delayed emptying of
solids and liquids, without evidence of mechanical obstruction. Although no cause can be
determined for the majority of cases, the disease often develops as a complication of
abdominal surgeries or because of other underlying disorders, such as diabetes mellitus or
scleroderma. The pathophysiology behind delayed gastric emptying is still not well-
understood, but encompasses abnormalities at 3 levels—autonomic nervous system …