Purpose Of Review: Lumen apposing metal stents (LAMS) have been increasingly used to manage patients with surgically altered anatomy (SAA), who would have otherwise required percutaneous or surgical interventions. Via the creation of de-novo anastomoses, LAMS provides a conduit to access distal parts of the gastrointestinal tract to perform various interventions.
Recent Findings: Pancreatobiliary (PB) and non-PB interventions are challenging in patients with SAA. Endoscopic ultrasound-directed transgastric endoscopic retrograde cholangiopancreatography (ERCP) (EDGE) and endoscopic ultrasound (EUS)-directed transenteric ERCP (EDEE) are effective procedures that are being increasingly utilized to perform ERCP in patient with Roux-en-Y gastric bypass (RYGB) and non-RYGB SAA, respectively. Furthermore, EUS-directed trans-gastric intervention (EDGI) is a collective term for the non-PB procedures that could be performed in patients with SAA. EDGE/EDEE/EDGI are considered relatively safe procedures, however, intra-procedural stent misdeployement, and long-term ramifications of persistent fistula and stent migration could require endoscopic or, in rare instances, surgical management.
Summary: The advent of LAMS has revolutionized the therapeutic capabilities of EUS, by allowing the creation of new gastrointestinal anastomoses. With the growing body of literature, it is expected that such techniques will be more commonly performed in the community, providing less invasive and more effective treatment options for patients with SAA.
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