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  • Title: The incidence and clinical significance of pneumoperitoneum after percutaneous endoscopic gastrostomy: a review of 722 cases.
    Author: Blum CA, Selander C, Ruddy JM, Leon S.
    Journal: Am Surg; 2009 Jan; 75(1):39-43. PubMed ID: 19213395.
    Abstract:
    Percutaneous endoscopic gastrostomy (PEG) is the procedure of choice for establishing enteral access in patients unable to take oral feedings. Serious complications are rare; however, misplaced PEGs and PEG/Jejunums can lead to hollow viscus injuries with intra-abdominal contamination and subsequent peritonitis, septicemia, and death. The presence of free intra-abdominal air is a reliable indicator of a perforated viscus and often points to a surgical emergency; however, in the case of PEGs, pneumoperitoneum without a perforated viscus, or "benign pneumoperitoneum" creates a diagnostic dilemma. To determine the incidence and clinical significance of pneumoperitoneum after PEG or PEG/Jejunum (J) we reviewed the records of 722 patients who underwent these procedures at our institution. Of 39 patients found to have free air after PEG/PEG/J placement, 33 (85%) had "benign pneumoperitoneum" and were discharged without complication or surgical intervention. Of the six patients with serious complications related to their procedure, five (83%) had clinical signs of intra-abdominal complications (peritonitis) that helped guide their management. Of these six patients, the two receiving abdominal radiographs instead of abdominal CT scanning had a 50 per cent negative laparotomy rate. We present an algorithm for the management of patients found to have pneumoperitoneum after PEG or PEG/J placement.
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