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Revista Española de Enfermedades Digestivas
Print version ISSN 1130-0108
Abstract
YAMEL FLORES-CARMONA, Diana; ALONSO-LARRAGA, Juan Octavio; HERNANDEZ-GUERRERO, Angélica and RAMIREZ-SOLIS, Mauro Eduardo. Comparison of covered and uncovered self-expandable stents in the treatment of malignant biliary obstruction. Rev. esp. enferm. dig. [online]. 2016, vol.108, n.5, pp.246-249. ISSN 1130-0108.
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.
Keywords : Self-expadable stents; Malignant biliary obstruction.