“…However, regardless of their disease, patients on enteral nutrition often show a series of "secondary" symptoms that can be described as gastrointestinal tract reactions to diet administration, including: pain, discomfort, gastric residual volume, delayed gastric emptying, abdominal bloating and cramps, nausea/vomiting, diarrhea [1,4,8,9,12,20,22,32,[33][34][35][36][37][38][39], metabolic disorders [1,12], and, when the enteral nutrition is longer term, ulcers and major weight loss [33,34]. In addition, some patients are unable to tolerate enteral nutrition [9,22], especially pediatric patients [38,39].…”