ArticleDEN open2026
Successful Endoscopic Ultrasound-Guided Transgastric Drainage for Intra-Abdominal Abscess Caused by Delayed Perforation After Gastric Endoscopic Mucosal Resection.
Article in DEN open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors.
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Abstract
Delayed perforation after gastric endoscopic mucosal resection (EMR) is a rare but serious complication that can lead to intra-abdominal abscess (IAA) formation. Efficacy of endoscopic ultrasound (EUS)-guided drainage for IAA remains to be elucidated. A man in his 50s was admitted for EMR of hyperplastic polyps located in the gastric body. The procedure was performed uneventfully; however, on postoperative day (POD) 4, the patient developed a sudden fever accompanied by an elevation in inflammatory markers. Abdominal computed tomography (CT) revealed a localized area of increased fat attenuation, leading to a diagnosis of delayed perforation. The patient's condition temporarily improved with conservative therapy; however, fever and elevated inflammatory markers recurred on POD 17. CT demonstrated IAA requiring drainage. On POD 22, EUS-guided transgastric drainage was performed using a nasobiliary drainage tube and double-pigtail stent. After drainage, fever and inflammatory markers promptly alleviated; follow-up CT demonstrated shrinkage of the abscess cavity. The clinical course was uneventful. EUS-guided transgastric drainage could be a safe and effective therapeutic option for IAA secondary to delayed perforation after gastric EMR, particularly when conservative therapy fails and percutaneous drainage is not feasible.
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