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DOI: 10.1055/a-1471-2871
Endoscopic retrograde appendicitis therapy: a novel approach for peri-appendiceal abscess
A 66-year-old man presented with recurrent abdominal pain for half a month. He wrongly thought it was acute gastritis, without initially paying any attention to it; however, as the pain became aggravating, he came to our hospital. An abdominal computed tomography (CT) scan revealed a peri-appendiceal abscess ([Fig. 1]). Endoscopic retrograde appendicitis therapy (ERAT) was then performed.
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At colonoscopy, the cecum, including the ileocecal valve, was seen to be severely swollen and enlarged. A transparent cap fixed to the colonoscope was used to detect the appendiceal orifice. Milk-like pus was observed pouring out from the folded mucosa, which was presumed to be where the appendiceal orifice was situated. When this was successfully cannulated with an endoscopic retrograde cholangiopancreatography (ERCP) sphincterotome, a considerable quantity of pus poured out from the appendiceal cavity. The abscess cavity was shown on fluoroscopy to be 5.0 × 4.5 cm in size. Irrigation with metronidazole was performed until the drainage fluid was clear. Finally, a 6-Fr × 6-cm pancreatic stent was introduced into the appendiceal cavity over a guidewire ([Fig. 2]; [Video 1]). The patient recovered uneventfully after the procedure.
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Video 1 Endoscopic drainage of a peri-appendiceal abscess with endoscopic retrograde appendicitis therapy (ERAT) in a 66-year-old man.
Qualität:
A peri-appendiceal abscess is a condition of worsening acute appendicitis, with an incidence rate of approximately 4 %–20 % in patients with acute appendicitis [1]. Percutaneous drainage is recommended by the World Society of Emergency Surgery as the first-line treatment for the condition [2]. However, the minimally invasive procedure is also associated with several complications, such as bleeding, fistula formation, or injury to adjacent organs [1] [2].
ERAT is an emerging technique that is used to manage acute appendicitis [3]. As experience has accumulated, we attempted to use ERAT to manage an appendiceal abscess. Between April 2020 and February 2021, nine patients with an appendiceal abscess underwent ERAT in our center. All of the patients had good outcomes, without the need for surgery. Within this small sample, ERAT seems to be promising in the treatment of appendiceal abscess; however, further research should be carried out.
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Competing interests
The authors declare that they have no conflict of interest.
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References
- 1 Horn CB, Coleoglou Centeno AA, Guerra JJ. et al. Drain failure in intra-abdominal abscesses associated with appendicitis. Surg Infect 2018; 19: 321-325
- 2 Di Saverio S, Podda M, De Simone B. et al. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg 2020; 15: 27
- 3 Liu BR, Ma X, Feng J. et al. Endoscopic retrograde appendicitis therapy (ERAT): a multicenter retrospective study in China. Surg Endosc 2015; 29: 905-909
Corresponding author
Publikationsverlauf
Artikel online veröffentlicht:
12. Mai 2021
© 2021. Thieme. All rights reserved.
Georg Thieme Verlag KG
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References
- 1 Horn CB, Coleoglou Centeno AA, Guerra JJ. et al. Drain failure in intra-abdominal abscesses associated with appendicitis. Surg Infect 2018; 19: 321-325
- 2 Di Saverio S, Podda M, De Simone B. et al. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg 2020; 15: 27
- 3 Liu BR, Ma X, Feng J. et al. Endoscopic retrograde appendicitis therapy (ERAT): a multicenter retrospective study in China. Surg Endosc 2015; 29: 905-909
![](https://www.thieme-connect.de/media/endoscopy/202205/thumbnails/10-1055-a-1471-2871-i2433ev1.jpg)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
![](https://www.thieme-connect.de/media/endoscopy/202205/thumbnails/10-1055-a-1471-2871-i2433ev2.jpg)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)