The Resonance metallic stent is a new wire-based ureteral stent that was initially developed for patients with malignant ureteral obstruction. Potential advantages over traditional stents include resistance to encrustation and to external compression, allowing for increased dwell times and the maintenance of upper tract drainage when traditional polymer stents have failed. We present a comparative cost analysis of Resonance metallic and standard polymer stent use in patients with benign urinary obstruction and review the literature regarding the Resonance stent.
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