Acquired nasolacrimal duct obstruction
Conditions
Interventions
Two groups:endoscopic dacryocysto-rhinostomy, Stenting: 8 weeks or no stent at all Follow-up: 26 weeks. versus Endoscopic dacryocystorhinostomy with or without eight weeks bicanalicular silicone intub
Sponsors
None listed
Eligibility
Sex/Gender
Male
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Adult patients (>18) with NLDO (on table finding); 2. Informed consent; 3. Follow-up to 6 months; 4. No previous lacrimal surgery; 5. No concomitant canalicular disease; 6. Agree for randomization
Exclusion criteria
Exclusion criteria: 1. Previous dacryocystorhinostomy; 2. Canalicular obstruction requiring membranectomy after sac exposure for free passage of Bowman probe; 3. Requiring concomitant punctoplasty procedure
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| % of success achieved in each group at postoperative six months % with formation of granulation tissue at rhinostomy site, time course, response to local debridement and nasal steroid spray; | — |
Secondary
| Measure | Time frame |
|---|---|
| Risk factors analyses for surgical failure or persistence of symptom (age, gender, duration of symptom preoperatively, postoperative tube prolapse, presence of granulation tissue around internal ostium, difficulty intraoperative hemostasis, surgeon's immediate impression, level of surgical experience, endoscopist's assessment postoperatively);Risk factors analyses for surgical failure or persistence of symptom (age, gender, duration of symptom preoperatively, postoperative tube prolapse, presence of granulation tissue around internal ostium, difficulty intraoperative hemostasis, surgeon's immediate impression, level of surgical experience, endoscopist's assessment postoperatively); | — |
Countries
China
Contacts
Public ContactDr. Kelvin K.L.Chong
Outcome results
None listed