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Cohort studyAmerican journal of rhinology & allergy · 2026

Predictors of Success and Long-Term Outcome in Endoscopic Dacryocystorhinostomy: Single-Center Study.

Stephen Jacques Alzuphar, Kazumichi Yamamoto, Roland Giger … Yves Jaquet

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OphthalmologyCohort study

Adding unciformectomy during eDCR was associated with lower recurrence risk

Predictors of Success and Long-Term Outcome in Endoscopic Dacryocystorhinostomy: Single-Center Study.

Stephen Jacques Alzuphar … Yves Jaquet

American journal of rhinology & allergy · 2026

Background

Endoscopic dacryocystorhinostomy (eDCR) is the preferred surgical treatment for nasolacrimal duct obstruction.

Purpose

To assess long-term functional outcomes of eDCR and identify factors associated with recurrence in a large single-center cohort with long-term follow-up.

Methods

We conducted a retrospective cohort study including all patients who underwent primary endonasal eDCR between 1998 and 2022 at a tertiary referral center.

n = 280 patients

Results

unciformectomy patients were less likely to have symptoms return

HR 0.27 (95% CI 0.13 to 0.56)

CI excludes the null - significant

More results

ResultsA total of 280 patients underwent 313 primary unilateral eDCR procedures.

Functional success after first surgery was achieved in 86.9% of cases, with 41 recurrences (13.1%).

After secondary procedures, 95.2% of operated sides were symptom-free.

More results

Estimated recurrence-free survival was 93.5% at 1 year, 90.8% at 3 years, and 88.5% at 5 years.

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Conclusion

Limited concordance among preoperative diagnostic tests supports the use of a complementary diagnostic approach in clinical practice.

Post

Predictors of Success and Long-Term Outcome in Endoscopic Dacryocystorhinostomy: Single-Center Study.

Adding unciformectomy during eDCR was associated with lower recurrence risk

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