Nasolacrimal Polyurethane Stent Placement for Epiphora: Technical Long-term Results

To assess technical problems related to implantation of a polyurethane stent to treat obstructive epiphora, and to assess the long-term patency of the nasolacrimal system.Fluoroscopically guided placement of a polyurethane nasolacrimal stent was performed in 70 obstructed lacrimal systems of 62 patients with grade 3-4 obstructive epiphora. Follow-up was conducted for 1-20 months (average, 11.3 months). The obstruction was at the lacrimal sac in...