Estão sendo desenvolvidos stents antirrefluxo biliar. Esses stents podem reduzir o risco de colangite por contaminação bacteriana da árvore biliar e podem estar comercialmente disponíveis em um futuro próximo.[52]Hu B, Wang TT, Wu J, et al. Antireflux stents to reduce the risk of cholangitis in patients with malignant biliary strictures: a randomized trial. Endoscopy. 2014 Feb;46(2):120-6.
http://www.ncbi.nlm.nih.gov/pubmed/24477367?tool=bestpractice.com
[53]Lee KJ, Chung MJ, Park JY, et al. Clinical advantages of a metal stent with an S-shaped anti-reflux valve in malignant biliary obstruction. Dig Endosc. 2013 May;25(3):308-12.
http://www.ncbi.nlm.nih.gov/pubmed/23369050?tool=bestpractice.com
[54]Lin H, Li S, Liu X. The safety and efficacy of nasobiliary drainage versus biliary stenting in malignant biliary obstruction: a systematic review and meta-analysis. Medicine (Baltimore). 2016 Nov;95(46):e5253.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5120904
http://www.ncbi.nlm.nih.gov/pubmed/27861347?tool=bestpractice.com
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