Open Access
CC BY 4.0 · Endoscopy 2025; 57(S 01): E376-E377
DOI: 10.1055/a-2587-8969
E-Videos

Endoscopic septotomy of rectal transmural septum perpetuating a rectal leak

1   Gastroenterology Department, Centro Hospitalar Universitário de São João, Porto, Portugal (Ringgold ID: RIN285211)
2   Faculty of Medicine, University of Porto, Porto, Portugal (Ringgold ID: RIN26705)
,
Guilherme Macedo
1   Gastroenterology Department, Centro Hospitalar Universitário de São João, Porto, Portugal (Ringgold ID: RIN285211)
2   Faculty of Medicine, University of Porto, Porto, Portugal (Ringgold ID: RIN26705)
,
1   Gastroenterology Department, Centro Hospitalar Universitário de São João, Porto, Portugal (Ringgold ID: RIN285211)
2   Faculty of Medicine, University of Porto, Porto, Portugal (Ringgold ID: RIN26705)
› Author Affiliations
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A 58-year-old woman with a past medical history of rectocele underwent a Stapled Transanal Resection of the Rectum (STARR) procedure, which was complicated by a staple line leak. After a protective ileostomy, endoscopy revealed a leak involving half of the luminal circumference, with a 9 cm long associated collection ([Fig. 1]). Three sessions of intracavitary endoscopic vacuum therapy were performed, including two simultaneous foams (EndoSponge, Boston Scientific) ([Fig. 2]). Despite the improvement of endoscopic findings, leak and collection dimensions persisted, with the development of a proximal communication between the collection and the rectal lumen, configurating a double lumen, due to the presence of a transmural wall septum between the collection and the rectum ([Fig. 3]). Endoscopic septotomy of the transmural septum was then performed with a grasping-type scissor (ClutchCutter, Fujifilm) ([Video 1], [Fig. 4]). Additional hotsnare polipectomy of the cut septum was performed, with the placement of two detachable snares on each edge of the residual septum to prevent delayed bleeding. The patient was discharged 1 week later with improved clinical status. The bowel was reconstructed 3 months later. Endoscopy evaluation 6 months later revealed a completed re-epithelialization of the collection with leak resolution ([Fig. 5]).

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Fig. 1 Leak involving half of the luminal circumference; *rectal lumen.
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Fig. 2 Vacuum therapy with two intracavitary sponges.
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Fig. 3 Endoscopic improvement of leak cavity with granulation tissue; *rectal lumen.
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Fig. 4 Endoscopic septotomy of the transmural septum.
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Fig. 5 Retroflexion endoscopic view showing completed re-epithelialization of the collection and leak resolution.
Endoscopic septotomy of rectal transmural septum perpetuating a rectal leak.Video 1

Treatment of gastrointestinal leaks can be challenging, frequently requiring a multimodality approach, often during a prolonged period of time [1]. Improvement of leak drainage by equalization of the pressures between the rectum and the collection, similar to endoscopic septotomy in chronic gastric sleeve leaks [2], may allow a faster resolution of the collection. To the best of our knowledge, this is the first report of a lower tract septotomy.

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Publication History

Article published online:
06 May 2025

© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).

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