Journal List > J Korean Ophthalmol Soc > v.56(7) > 1010316

Yang and Park: The Clinical Outcome of Silicone Tube Intubation According to the Site Resistant to Lacrimal Duct Probing

Abstract

Purpose:

To evaluate clinical outcomes of silicone tube intubation according to the site of resistance to lacrimal duct probing in complete or partial nasolacrimal duct obstruction patients.

Methods:

This study included 102 eyes of 72 patients who were diagnosed with complete or partial nasolacrimal duct obstruction and who underwent silicone tube intubation. According to the site of resistant to nasolacrimal duct probing, eyes were divided in-to proximal resistance (Group I), distal resistance (Group II) and both side resistance (Group III). The success rate was esti-mated based on functional (symptom relief) and anatomical (normalization of tear meniscus) success.

Results:

The success rates in Group I, Group II, and Group III were 53.1%, 78.8%, and 27.0%, respectively, showing that Group II attained the highest success rate (Pearson chi-square test, p = 0.001).

Conclusions:

In cases of only distal resistance to lacrimal probing without dacryocystography, silicone tube intubation should be performed with expectation of good clinical outcomes, even if complete nasolacrimal obstruction was suspected on syringing. J Korean Ophthalmol Soc 2015;56(7):975-979

References

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Table 1.
Demographics of patients
Proximal resistance (n = 32) Distal resistance (n = 33) Both resistance (n = 37) p-value
Age (years) 64.72 ± 12.55 61.24 ± 13.34 61.27 ± 13.57 0.46
Sex (Male/female) (n, %) 9 (28.1)/23 (71.9) 13 (39.4)/20 (60.6) 9 (24.3)/28 (75.7) 0.39
Laterality (Rt/Lt) 16/16 11/22 18/19 0.321
Duration of symptom (months) 32.69 ± 33.38 26.06 ± 26.14 25.97 ± 40.13 0.656
Duration of intubation (months) 4.97 ± 1.68 5.03 ± 1.49 5.03 ± 1.46 0.534
Follow-up (months) 8.09 ± 3.32 8.21 ± 1.52 9.38 ± 5.11 0.128

Values are presented as mean ± SD or n (%).

Rt = right, Lt = left.

One way analysis of variance (ANOVA) test;

Pearson chi-square test;

Kruskal-Wallis test.

Table 2.
Success rate of silicone tube intubation
Proximal resistance (n = 32) Distal resistance (n = 33) Both resistance (n = 37) p-value
Success (n, %) Failure (n, %) 17 (53.1) 15 (46.9) 26 (78.8) 7 (21.2) 10 (27.0) 27 (73.0) 0.001

Values are presented as n (%).

Pearson chi-square test.

Table 3.
Success rate in complete and incomplete obstruction evaluated by syringing
Success Failure p-value
Complete Proximal resistance 4 (66.7) 2 (33.3) 0.001
Distal resistance 9 (100.0) 0 (0)
Both resistance 2 (20.0) 8 (80.0)
Total 15 (60.0) 10 (40.0)
Incomplete Proximal resistance 13 (50.0) 13 (50.0) 0.014
Distal resistance 17 (70.8) 7 (29.2)
Both resistance 8 (29.6) 19 (70.4)
Total 38 (49.4) 39 (50.6)

Values are presented as n (%).

Fisher’s exact test;

Pearson chi-square test.

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