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Archivos de la Sociedad Española de Oftalmología
versión impresa ISSN 0365-6691
Resumen
ASENCIO DURAN, M et al. Treatment of nasolacrimal duct obstruction with Songs stent: Long term efficacy. Arch Soc Esp Oftalmol [online]. 2004, vol.79, n.10, pp.501-506. ISSN 0365-6691.
Purpose: To evaluate the long-term efficacy (5 years) of Songs stent in the treatment of naso-lachrymal duct obstruction. Materials and methods: We examined Songs stents installed in 64 eyes from 62 patients with naso-lachrymal duct obstruction (NLD). Of the 64, 48 were women and 14 men of mean age 60 SD 13.17 years. Obstructions of right side 62.5% and left side 37.5%, and location in dacriocystography: sac-NLD junction 82.8%, distant NLD 10.9%, medium NLD 3.1% and both proximal and complete NLD 1.6%. Clinical presentation: chronic epiphora 96.8%, acute dacriocystitis 67.2%, purulent discharge 25% and mucocele 17.2%. Mean follow-up period was 25.23 months. Results: 13 stents were removed and 2 changed during the follow-up. 67.2% were patent at the end of the study; epiphora reduced to 32.8%, number of acute dacryocystitis, purulent discharge and mucocele to 1.6%. Subjective improvement was found in 73.5%. Surgical complications included epistaxis (15.6%) and pain (14.1%), and post-operative complications included reobstruction in 22 cases within a mean time of 8.6 months. Conclusions: Songs stent is a quick and useful option in treatment of epiphora. Despite not being efficient in all cases, it leads to improvement of symptoms and avoidance of surgery in the majority of cases. However, it requires periodical washes to maintain its patency.
Palabras clave : Epiphora; naso-lacrimal duct obstruction.