A novel laser‐cut fully covered metal stent with anti‐reflux valve in patients with malignant distal biliary obstruction refractory to conventional covered metal stent

Yamada, Yuto; Sasaki, Takashi; Takeda, Tsuyoshi; Mie, Takafumi; Furukawa, Takaaki; Kasuga, Akiyoshi; Ozaka, Masato; Igarashi, Yoshinori; Sasahira, Naoki

doi:10.1002/jhbp.966

Cited by 21 publications

(47 citation statements)

References 30 publications

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“…Recent reports from Japan have described the usefulness of this stent. [26][27][28][29][30] In the one case of RBO caused by sludge formation in the present study, the check valve had collapsed. Kin et al reported RBO due to sludge formation in five patients, of whom the check valve had collapsed in two.…”

Section: Discussionmentioning

confidence: 47%

“…Kin et al reported RBO due to sludge formation in five patients, of whom the check valve had collapsed in two 27 . Yamada et al reported RBO caused by sludge formation or non‐occlusion cholangitis in five cases, and the check valve had collapsed in all five 30 . As it is expected that failure of the check valve will cause sludge formation and subsequent RBO, it is desirable to improve the durability of the check valve in the future.…”

Section: Discussionmentioning

confidence: 99%

“…27 Yamada et al reported RBO caused by sludge formation or non-occlusion cholangitis in five cases, and the check valve had collapsed in all five. 30 As it is expected that failure of the check valve will cause sludge formation and subsequent RBO, it is desirable to improve the durability of the check valve in the future. The fact that RBO due to sludge formation is likely to occur if there is a collapse of the anti-reflux valve suggests that preventing the reflux of duodenal fluid would contribute to the prolongation of TRBO.…”

Section: Discussionmentioning

confidence: 99%

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Usefulness of duckbill‐type anti‐reflux self‐expandable metal stents for distal malignant biliary obstruction with duodenal invasion: A pilot study

et al. 2022

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Objectives Early obstruction of a self‐expandable metal stent placed for distal malignant biliary obstruction is more likely to occur in the presence of duodenal invasion. An anti‐reflux self‐expandable metal stent (ARMS) has been developed for the purpose of preventing duodenal fluid reflux into the bile duct. In this study, we evaluated the usefulness and safety of a duckbill‐type ARMS (D‐ARMS) in the situation of duodenal invasion. Methods We retrospectively analyzed 10 consecutive patients who received D‐ARMS for distal malignant biliary obstruction with duodenal invasion. We evaluated non‐occlusion cholangitis, recurrent biliary obstruction (RBO), and adverse events after D‐ARMS placement. Results There were no cases of non‐occlusion cholangitis. RBO was observed in 2 patients (20%), and time to RBO was 236 days and 117 days, respectively. The causes of RBO were overgrowth and sludge formation. The median time to RBO was 382 days (range, 117–382 days). Only one adverse event was observed (cholecystitis). Conclusions D‐ARMS shows potential as an optimal ARMS.

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Section: Discussionmentioning

confidence: 47%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Usefulness of duckbill‐type anti‐reflux self‐expandable metal stents for distal malignant biliary obstruction with duodenal invasion: A pilot study

et al. 2022

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“…Uncovered SEMS is usually difficult to remove due to the growth of hyperplastic tissue into the stent 1 . FC‐SEMS may avoid this embarrassing event and novel laser‐cut covered self‐expandable metallic stents may be more effective 2,3 . Successful removal of biliary uncovered SEMS that have been placed for up to 15 years is rare and also meaningful.…”

Section: Figurementioning

confidence: 99%

“…1 FC-SEMS may avoid this embarrassing event and novel laser-cut covered self-expandable metallic stents may be more effective. 2,3 Successful removal of biliary uncovered SEMS that have been placed for up to 15 years is rare and also meaningful. The "stent-in-stent" technique is to be feasible in SEMS removal.…”

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confidence: 99%

Endoscopic removal of biliary uncovered self‐expandable metal stents in one patient placed 15 years ago

Zhang

Hou

2021

J Hepato Biliary Pancreat

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Before: 51 W: We removed two biliary uncovered SEMSs from one patient using stent‐in‐stent technique with a fully covered biliary stent, one of which was placed for up to 15 years. That is rare and also meaningful. Maybe,we should have a new understanding of uncovered SEMS in management of benign biliary strictures. After: 50 W: Yu and colleagues removed two biliary uncovered self‐expandable metal stents, one of which had been in place for 15 years, from one patient using the stent‐in‐stent technique with a fully covered biliary stent. A new understanding of uncovered self‐expandable metal stents in the management of benign biliary strictures is needed.

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Pancreatic cancer with pseudoaneurysm after duckbill‐shaped anti‐reflux metal stent placement: A case report

et al. 2022

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A 74‐year‐old man was diagnosed with unresectable pancreatic cancer with obstructive jaundice. Chemotherapy with gemcitabine and nab‐paclitaxel was initiated after placement of a duckbill‐shaped anti‐reflux metal stent (D‐ARMS). A period of 1 month after D‐ARMS placement, the patient developed hematemesis and entered severe shock following emergency admission for further evaluation. Contrast‐enhanced computed tomography revealed a pseudoaneurysm in the gastroduodenal artery, coincident with the site of D‐ARMS placement, and bleeding from the same site was diagnosed. Angiography was performed, and the pseudoaneurysm was successfully treated by transcatheter arterial embolization using coils. The patient was subsequently discharged from hospital and experienced no further bleeding until his death due to an aggravation of the pancreatic cancer after 2 months. We report a case of pancreatic cancer with pseudoaneurysm after D‐ARMS placement.

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A novel laser‐cut fully covered metal stent with anti‐reflux valve in patients with malignant distal biliary obstruction refractory to conventional covered metal stent

Cited by 21 publications

References 30 publications

Usefulness of duckbill‐type anti‐reflux self‐expandable metal stents for distal malignant biliary obstruction with duodenal invasion: A pilot study

Usefulness of duckbill‐type anti‐reflux self‐expandable metal stents for distal malignant biliary obstruction with duodenal invasion: A pilot study

Endoscopic removal of biliary uncovered self‐expandable metal stents in one patient placed 15 years ago

Pancreatic cancer with pseudoaneurysm after duckbill‐shaped anti‐reflux metal stent placement: A case report

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