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KMID : 1048120210100010012
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International Journal of Gastrointestinal Intervention
2021 Volume.10 No. 1 p.12 ~ p.16
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Infra-colic gastrostomy: Technique and anatomical considerations
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Wong Jen-Jou
Ganti Srujana
Mullan Damian
Edwards Derek
Laasch Hans-Ulrich
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Abstract
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Background: Infra-colic radiologically inserted gastrostomy is not well documented, and the presence of an insertion window solely below the transverse colon is generally regarded as a contraindication to gastrostomy insertion. A perceived increased risk is due to the presence of vessels and lymphatics within the omental and peritoneal structures, such as the epiploic arteries, the arterial arcade of Barkow, and middle colic artery branches from the superior mesenteric artery. Colonic obstruction is also an additional theorised risk. We provide evidence that infra-colic insertion of a feeding tube through the greater omentum can be performed safely.
Methods: A total of 1,156 gastrostomies were inserted over an 8-year period. A retrospective review of the 5 cases was conducted. Electronic patient records were reviewed including clinical consultations, procedure reports and images.
Results: In all cases, barium was administered orally/per nasogastric tube the day before to delineate the colon. All patients underwent sedo-analgesia with insufflation of the stomach achieved by a temporising nasogastric/orogastric tube. Infra-colic gastropexy with three SafeTpexy T-fasteners was undertaken. Standard 12 Fr balloon retained tubes were inserted through the greater omentum with no post-procedural complications or tube malfunctions in four cases. A 16 Fr disc retained tube was inserted in a fifth case.
Conclusion: Despite the perceived difficulties, we suggest that infra-colic gastrostomies can be performed with confidence, and with little deviation from standard insertion techniques. They can be inserted without an apparent increase in complications, although operators need to be aware of the anatomical differences and additional structures traversed when performing infra-colic gastrostomies.
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KEYWORD
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Fluoroscopy, Gastrostomy, Omentum, Radiology, interventional, Stomach
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