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The incidence and clinical significance of pneumoperitoneum after percutaneous endoscopic gastrostomy: a review of 722 cases.
American Surgeon 2009 January
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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