ReviewJournal of clinical medicine2026
Multi-Hole Self-Expandable Metallic Stent for Malignant Distal Biliary Obstruction: A Literature Review.
Review in Journal of clinical medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Endoscopic biliary drainage using self-expanding metal stents (SEMSs) is a standard palliative therapy for cholangitis and obstructive jaundice caused by malignant distal biliary obstruction (MDBO). Fully-covered SEMSs (FC-SEMSs) prevent tumor ingrowth and provide longer patency; however, recent advances in chemotherapy have increased stent migration due to tumor shrinkage, resulting in reduced functional patency compared with uncovered SEMSs. Partially covered SEMSs can reduce migration but are often difficult to remove after deployment. In addition, adverse events such as acute pancreatitis and cholecystitis remain a concern with FC-SEMSs. To address these limitations, Dr. Kobayashi introduced a novel porous SEMS with multiple side holes in the covering membrane (MH-SEMSs) in 2019. This design allows limited bile duct epithelial ingrowth through side holes, providing anchorage while maintaining removability. The side-hole structure may also reduce cholecystitis and pancreatitis by preserving flow through the pancreatic and cystic duct orifices. Over five years since their introduction, clinical evidence supporting MH-SEMSs has steadily increased. This review summarizes current data and explores future perspectives for MH-SEMS use in MDBO management.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.