Table 2.

Postoperative patency using sac syringing under endoscopic vision

Post-op follow up	Number of patients in follow up	Patients with patent stoma	Percentage (100%)
Patients undergoing DCR using Mitomycin C
Day 7	50	50	100.0%
Day 15	50	50	100.0%
Day 30	50	46	88.9%
3 months	45	40	88.7%
5 months	30	26	86.7%
Patients undergoing endonasal DC R using silicon stent
Day 7	50	50	100.0%
Day 15	50	50	100.0%
Day 30	50	47	94.0%
3 months	50	45	90.0%
5 months	45	43	95.6%
Patients undergoing conventional endonasal DCR dacrocystorhinostomy
Day 7	50	50	100.0%
Day 15	50	47	94.0%
Day 30	50	46	92.1%
3 months	49	43	87.8%
5 months	38	32	84.2%