Abstract
Background and study aims
Lumen-apposing stents (LAMS) are approved to treat peripancreatic collections and for gallbladder and bile duct drainage. Over the last years, LAMS have also been used for off-label indications including gastrojejunostomy, gastro-gastrostomy and drainage of postsurgical collections. We aimed to analyze indications, technical/clinical success rates and complications of all LAMS placed over the last 2 years.
Patients and methods
Data from 61 consecutive LAMS (Hot Axios, Boston Scientific) in 57 patients were analyzed. Technical success was defined as successful deployment of the LAMS in the desired position. Clinical success was defined as follows: for pancreatic collections: resolution without the need for non-endoscopic interventions; for choledochoduodenostomy: ≥ 50% drop in baseline serum bilirubin within 2 weeks AND patient can receive chemotherapy if indicated; for gastrojejunostomy: resolution of gastric outlet obstruction and successful re-initiation of oral intake; for gastro-gastrostomy: successful endoscopic access to the excluded stomach; for gallbladder or postsurgical collection drainage: resolution of sepsis.
Results
Indications were drainage of peripancreatic collections in 24 cases (39.3%), choledochoduodenostomy in 13 (21.3%), gastrojejunostomy in 6 (9.8%), gastro-gastrostomy in 13 (21.3%), gallbladder drainage in 1 (1.6%) and postsurgical collection drainage in 4 (6.6%). Overall technical and clinical success rates were high (57/61; 93.4% and 54/61; 88.5%, respectively). Clinical success rate for non-approved indications was 95.6% (22/23 cases). Complications occurred in 13 patients (21.3%, 4 serious).
Conclusions
LAMS are increasingly used in interventional endoscopy. In our cohort, more than one third of LAMS are placed for off-label indications, with a high success rate and acceptable complication rate.
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Pieter Hindryckx has received consultancy fees from Medtronic, Fresenius, Takeda and Janssen; lecture fees from Medwork, Abbvie, Janssen, Takeda. Helena Degroote has received lecture fees from Bayer.
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Hindryckx, P., Degroote, H. Lumen-apposing metal stents for approved and off-label indications: a single-centre experience. Surg Endosc 35, 6013–6020 (2021). https://doi.org/10.1007/s00464-020-08090-6
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DOI: https://doi.org/10.1007/s00464-020-08090-6