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Many healthcare providers associate enteral tube feedings with diarrhea. Research suggests an incidence of diarrhea in patients receiving enteral tube feedings of 2% to 63%. This wide variation in incidence is due, in part, to the lack of a universal definition of diarrhea and other suspected factors that influence stool output such as malabsorption, infection, bacterial contamination of the feeding, medical diagnosis of the patient, medication therapy, or formula-related causes. An understanding of digestion, the role of fiber and fat in the diet, and the control for other influences will aid nurses in identifying interventions that promote a normal stool consistency in patients receiving enteral tube feedings. The need for further research regarding the causes and management of diarrhea is also supported.

A pilot study was conducted to describe the frequency with which spontaneous tube displacement occurred in 105 tube-fed patients followed on a prospective basis. In addition, risk factors thought to be associated with tube displacement were studied. Since only about one-third of the tubes were monitored by followup radiographs, the actual occurrence of tube displacement is unknown. On those days when tube position was documented, a comparison of risk factors for spontaneous tube displacement was made with chi-square statistics. Two risk factors, coughing and decreased level of consciousness, were found to occur with significantly greater frequency in patients with displaced weighted nasogastric tubes, while coughing, tracheal suctioning, and upper airway intubation were significant in the dislodgement of unweighted nasointestinal tubes. None of the risk factors were significant in patients with weighted nasointestinal tubes.