Year 2016 / Volume 108 / Number 5
Original
Comparison of covered and uncovered self-expandable stents in the treatment of malignant biliary obstruction

246-249

DOI: 10.17235/reed.2016.4161/2015

Diana Yamel Flores Carmona, Juan Octavio Alonso Lárraga, Angélica Hernández Guerrero, Mauro Eduardo Ramírez Solís,

Abstract
Background and objective: Drainage with metallic stents is the treatment of choice in malignant obstructive jaundice. Technical and clinical success with metallic stents is obtained in over 90% and 80% of cases, respectively. There are self-expandable metallic stents designed to increase permeability. The aim of this study was to describe the results obtained with totally covered self-expandable and uncovered self-expandable metallic stents in the palliative treatment of malignant biliary obstruction. Patients and methods: Sixty eight patients with malignant obstructive jaundice secondary to pancreatobiliary or metastatic disease not amenable to surgery were retrospectively included. Two groups were created: group A (covered self-expandable metallic stents) (n = 22) and group B (uncovered self-expandable metallic stents) (n = 46). Results: Serum total bilirubin, direct bilirubin, alkaline phosphatase and gamma glutamyl transferase levels decreased in both groups and no statistically significant difference was detected (p = 0.800, p = 0.190, p = 0.743, p = 0.521). Migration was greater with covered stents but it was not statistically significant either (p = 0.101). Obstruction was greater in the group with uncovered stents but it was not statistically significant either (p = 0.476). Conclusion: There are no differences when using covered self-expandable stents or uncovered self-expandable stents in terms of technical and clinical success or complications in the palliative treatment of malignant obstructive jaundice.
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Flores Carmona D, Alonso Lárraga J, Hernández Guerrero A, Ramírez Solís M. Comparison of covered and uncovered self-expandable stents in the treatment of malignant biliary obstruction. 4161/2015


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Publication history

Received: 14/12/2015

Accepted: 12/02/2016

Online First: 21/03/2016

Published: 29/04/2016

Article revision time: 56 days

Article Online First time: 98 days

Article editing time: 137 days


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