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04.03.2016 | Interventional

Benign biliary strictures refractory to standard bilioplasty treated using polydoxanone biodegradable biliary stents: retrospective multicentric data analysis on 107 patients

verfasst von: Giovanni Mauri, Caterina Michelozzi, Fabio Melchiorre, Dario Poretti, Vittorio Pedicini, Monica Salvetti, Eva Criado, Joan Falcò Fages, Miguel Ángel De Gregorio, Alicia Laborda, Luca Maria Sonfienza, Gianpaolo Cornalba, Lorenzo Monfardini, Jiri Panek, Tomas Andrasina, Mariano Gimenez

Erschienen in: European Radiology | Ausgabe 11/2016

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Abstract

Objectives

To assess mid-term outcome of biodegradable biliary stents (BBSs) to treat benign biliary strictures refractory to standard bilioplasty.

Methods

Institutional review board approval was obtained and patient consent was waived. 107 patients (61 males, 46 females, mean age 59 ± 16 years), were treated. Technical success and complications were recorded. Ninety-seven patients (55 males, 42 females, aged 57 ± 17 years) were considered for follow-up analysis (mean follow-up 23 ± 12 months). Fisher’s exact test and Mann–Whitney U tests were used and a Kaplan–Meier curve was calculated.

Results

The procedure was always feasible. In 2/107 cases (2 %), stent migration occurred (technical success 98 %). 4/107 patients (4 %) experienced mild haemobilia. No major complications occurred. In 19/97 patients (18 %), stricture recurrence occurred. In this group, higher rate of subsequent cholangitis (84.2 % vs. 12.8 %, p = 0.001) and biliary stones (26.3 % vs. 2.5 %, p = 0.003) was noted. Estimated mean time to stricture recurrence was 38 months (95 % C.I 34–42 months). Estimated stricture recurrence rate at 1, 2, and 3 years was respectively 7.2 %, 26.4 %, and 29.4 %.

Conclusion

Percutaneous placement of a BBS is a feasible and safe strategy to treat benign biliary strictures refractory to standard bilioplasty, with promising results in the mid-term period.

Key Points

• Percutaneous placement of a BBS is 100 % feasible.

• The procedure appears free from major complications, with few minor complications.

• BBSs offer promising results in the mid-term period.

• With a BBS, external catheter/drainage can be removed early.

• BBSs represent a new option in treating benign biliary stenosis.

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Titel: Benign biliary strictures refractory to standard bilioplasty treated using polydoxanone biodegradable biliary stents: retrospective multicentric data analysis on 107 patients
verfasst von: Giovanni Mauri
Caterina Michelozzi
Fabio Melchiorre
Dario Poretti
Vittorio Pedicini
Monica Salvetti
Eva Criado
Joan Falcò Fages
Miguel Ángel De Gregorio
Alicia Laborda
Luca Maria Sonfienza
Gianpaolo Cornalba
Lorenzo Monfardini
Jiri Panek
Tomas Andrasina
Mariano Gimenez
Publikationsdatum: 04.03.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: European Radiology / Ausgabe 11/2016
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-016-4278-6

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Benign biliary strictures refractory to standard bilioplasty treated using polydoxanone biodegradable biliary stents: retrospective multicentric data analysis on 107 patients