title: Prospective randomised comparison of external dacryocystorhinostomy with and without silicone intubation.
abstract: OBJECTIVE
  The aim of the study was to compare surgical outcomes of external dacryocystorhinostomy (DCR) with and without silastic intubation for treatment of primary uncomplicated nasolacrimal duct obstruction (NLDO).
  
  
  METHODS
  The study was a prospective randomised trial conducted at the Tilganga Eye Centre (Kathmandu, Nepal).
  
  
  METHODS
  One-hundred consecutive patients with uncomplicated primary NLDO were randomly assigned into two groups (44 underwent DCR with silastic intubation and 56 underwent DCR without intubation). Patients were re-assessed at 1 week, 6 weeks and 6 months after surgery. Success was defined objectively by irrigation of the puncta without regurgitation and subjectively by the absence of epiphora or discharge.
  
  
  RESULTS
  The success rate at 6 months was 90% for DCR with silastic intubation and 87% for DCR without silastic intubation. There was no statistically significant difference between the two groups (p = 0.77). No complications were encountered in either group. Silicone tubes increased surgical cost by 20% at the Tilganga Eye Centre.
  
  
  CONCLUSIONS
  DCR without silastic intubation is less expensive than DCR with silastic intubation in primary uncomplicated NLDO, and has a similar success rate. DCR with silastic intubation may create increased burden for patients in the form of more post-surgical follow-up visits. In cases of uncomplicated primary NLDO, the use of silastic intubation in DCR may be unnecessary.
authors.affiliation: Tilganga Eye Centre, Kathmandu, Nepal. rsaiju@tilganga.com.np
authors.forename: R
authors.initials: R
authors.lastname: Saiju
authors.forename: L J
authors.initials: LJ
authors.lastname: Morse
authors.forename: D
authors.initials: D
authors.lastname: Weinberg
authors.forename: M K
authors.initials: MK
authors.lastname: Shrestha
authors.forename: S
authors.initials: S
authors.lastname: Ruit
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003608:Dacryocystorhinostomy / Q000191:economics / Q000379:methods*; D005260:Female; D006801:Humans; D007440:Intubation / Q000009:adverse effects / Q000379:methods*; D007767:Lacrimal Duct Obstruction / Q000191:economics; D008297:Male; D008875:Middle Aged; D009301:Nasolacrimal Duct / Q000601:surgery*; D009390:Nepal; D017410:Practice Guidelines as Topic; D011446:Prospective Studies; D016896:Treatment Outcome; D055815:Young Adult