Abstract
Background and Objectives: Nasolacrinal duct obstruvtion is a common cause of refer to ophalmic cinics. Medical treatment and probing doing haven’t efficacy in the management of nasolacrimal duct obstruction in a dults and surgical treatment required for these cases. Comparison of effect of probing with mitomycin-C and external dacryocystorhinostomy on idiopathic distal lacrimal duct occlusion in adults.
Matherials and Methods: Eighty patients with idiopathic distal lacrimal duct occlusion enrolled in this randomized prospective trial.
Forty patients underwent external dacryocystorhinostomy under general anesthesia and other 40 cases underwent probing with injection of MMC (0.4 mg/ml) under Rand-Stien analgesic protocole and finally effects of these two procedures on improvement of the complaints were evaluated
Results: Two weeks postoperatively 92.5% of cases in probing group and 97.5% of cases in DCR group had improvement in symptoms but the difference between two groups is not statistically significant (P=0.2950)
6 months post operatively 77.5% of cases in probing group and 92.5%of cases in DCR group had improvement of symptoms .The difference between these two groups is statistically significant (P=0.003).
Conclusion: probing with MMC injection is beneficial in idiopathic distal lacrimal canal obstruction of adults however its efficacy declines with time.