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An investigation determined that delivery of the Obsidio embolic using the aliquot technique for lower gastrointestinal bleeding embolization poses a high risk of bowel ischemia. The most serious and the most common adverse health consequence, reasonably foreseeable to occur, is the need to perform major surgery such as bowel resection and/or diverting colostomy. Therefore, Boston Scientific does not recommend that the aliquot technique be used to deliver the Obsidio device for lower GI bleed embolization procedures.
Inability to advance the guidewire through the feeding tube during placement due to blocked lumen of the barb connector. May lead prolongation in the procedure to exchange the device for another leading to leading to a cascade of events which may include additional intervention to close the puncture site, bleeding, leakage of gastric contents, and aspiration