Figure 5. Key features of the Category 2: Other Incidents described in included articles. Ribeirão Preto, São Paulo, Brazil, 2018.

Article Number	Study Aim	Study Type	Main Results
Pressure Injury Related to Fixation
64	To find out the incidence of patients with nasal pressure ulcer, study the risks factors for its development and find the predictable variables.	Prospective observational study	Pressure injury related to NGT*/NET† fixation was found in 25.2% of all patients included in the study (n = 115).
Misconnections
65	To determine if critically ill adult patients could be safely intubated at their bedside, and which complications might occur when the procedure is not controlled fluoroscopicaly.	Prospective observational study	314 patients were enrolled in the study who required an NET†. From those: - the tube was positioned in the airway in 7 patients (2.22%). - The tube was positioned in the esophagus in 8 (2.54%) patients and it resulted in bronchoaspiration. - the tube entered the stomach, but made a turn and returned to the esophagus in 2 patients (0.64%). - An AE occurred due to mercury leakage in the stomach of the distal end of the tube. This event occurred because the tube was wrapped around the stomach, which resulted in increased pressure and disconnection of mercury weight from the distal tip. The tube was removed and the mercury was gradually eliminated by the gastrointestinal system.
66	To report a case of a 77-year-old woman who had an inadvertent fatal administration of enteral feed via a venous catheter.	Case report	Patient received inadvertent infusion of enteral nutrition into the bloodstream via central venous catheter. Patient presented tachycardia, dyspnea and death after six hours of the event.
67	To report a case of a 74-year-old woman who had enteral formulas given by the wrong route.	Case report	Medication was administered into the patient's vein, who showed a rapid decline in consciousness and in respiratory function. The patient was intubated and required thoracic drainage. The patient evolved to sepsis and required tracheostomy. She was clinically stable and after a few days and she was extubated. She was discharged after eight weeks of the event.
68	To report a case of a 48-year-old man who had gastric acid burns because of a disconnected nasogastric tube.	Case report	Stroke patient restricted to bed presented 8% of burned body due to tube disconnection. The patient recovered after skin grafting.
69	To report a case of enteral feeding tube misconnection reported to the FDA‡.	Case report	High-flow oxygen was accidentally connected to the NGT*. The patient underwent emergency surgery to repair the gastric perforation and colonic serosal tear resulting from the improper connection.

^*NGT = Nasogastric tube;

^†NET = Nasoenteric tube;

^‡FDA = Food and Drug Administration