Table 2.
Outcomes at 6 months post-operative for congenital nasolacrimal duct obstruction: analysis by patient characteristics and surgical factors
| Post-operative 6th Month Results | P | ||||
|---|---|---|---|---|---|
|
| |||||
| Successful | Failure | ||||
|
|
|
||||
| n | % | n | % | ||
| Age groups | |||||
| 12–24 months | 11 | 27.50 | 2 | 13.30 | 0.378 |
| 25–36 months | 8 | 20.00 | 5 | 33.30 | |
| 36 months and above | 21 | 52.50 | 8 | 53.30 | |
| Gender | |||||
| Male | 15 | 44.10 | 6 | 54.50 | 0.73 |
| Female | 19 | 55.90 | 5 | 45.50 | |
| Side | |||||
| Unilateral | 27 | 77.10 | 8 | 22.90 | 0.465 |
| Bilateral | 7 | 70.00 | 3 | 30.00 | |
| Obstruction type | |||||
| MO | 14 | 35.00 | 4 | 26.70 | 0.408 |
| ICO | 22 | 55.00 | 11 | 73.30 | |
| CCO | 4 | 10.00 | 0 | 0.00 | |
| Surgery type | |||||
| Probing | 9 | 22.50 | 3 | 20.00 | 0.309 |
| Probing plus BDP | 8 | 20.00 | 5 | 33.30 | |
| Probing plus MCI | 19 | 47.50 | 7 | 46.70 | |
| External DCR | 4 | 10.00 | 0 | 0.00 | |
| Other observations | |||||
| Multiple-level NLDO | |||||
| Detected | 19 | 47.50 | 8 | 53.30 | 0.467 |
| Not Detected | 21 | 52.50 | 7 | 46.70 | |
| Purulent discharge with atonic sac | |||||
| Detected | 10 | 25.00 | 6 | 40.00 | 0.326 |
| Not Detected | 30 | 75.00 | 9 | 60.00 | |
| Bone Stiffness | |||||
| Detected | 8 | 20.00 | 5 | 33.30 | 0.31 |
| Not Detected | 32 | 80.00 | 10 | 66.70 | |
| Metal-to-metal contact | |||||
| Detected | 36 | 90.00 | 15 | 100.00 | 0.565 |
| Not Detected | 4 | 10.00 | 0 | 0.00 | |
| Inferior turbinate | |||||
| Medialization done | 14 | 35.00 | 9 | 60.00 | 0.128 |
| Medialization not done | 26 | 65.00 | 6 | 40.00 | |
BDP: Balloon dacrioplasty; CCO: Complete complex obstruction; External DCR: External dacryocystorhinostomy; ICO: Incomplete complex obstruction; MCI: Monocanalicular intubation; MO: Membranous obstruction; NLDO: Nasolacrimal duct obstruction.