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. 2012:2012:185429.
doi: 10.1155/2012/185429. Epub 2012 Dec 17.

Free Intra-Abdominal Air without Peritoneal Perforation after TEM: A Report of Two Cases

Rutger J Franken  1 , Daan E Moes, Yair I Z Acherman, Eric J Derksen
Affiliations

Free Intra-Abdominal Air without Peritoneal Perforation after TEM: A Report of Two Cases

Rutger J Franken et al. Case Rep Surg. 2012.

Abstract

Transanal endoscopic microsurgery (TEM) is a minimally invasive treatment modality for a variety of rectal lesions. Due to its minimally invasive nature, TEM has emerged as a safe method. Among most threatening complications are hemorrhage and peritoneal perforation. We report on two patients who demonstrated intra-abdominal free air on an erect chest X-ray after TEM procedure without other findings of a pneumoperitoneum. We hypothesize that due to the combination of elevated pressures in the retroperitoneal cavity and decreased integrity of the retroperitoneal barrier, insufflated CO(2) gas can diffuse into the intraperitoneal cavity. Conservative treatment should be considered in patients with free intra-abdominal air postoperatively. However, there should be no suspicion of peritoneal entry during the procedure and the patient should be in generally good condition without severe abdominal symptoms.

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Figures

Figure 1
Figure 1
Intra-abdominal free air on an erect chest X-ray.
Figure 2
Figure 2
Bulging peritoneum during relaparoscopy without a peritoneal defect.
See this image and copyright information in PMC

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