The Clinical Outcomes of Early Silicone Tube Displacement in Congenital Nasolacrimal Duct Obstruction

Joseph Kim; Sung Mo Kang

doi:10.3341/jkos.2018.59.5.393

Journal List > J Korean Ophthalmol Soc > v.59(5) > 1010894

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Kim and Kang: The Clinical Outcomes of Early Silicone Tube Displacement in Congenital Nasolacrimal Duct Obstruction

Original Article

Journal of the Korean Ophthalmological Society 2018; 59(5): 393-396.

Published online: 17 May 2018

DOI: https://doi.org/10.3341/jkos.2018.59.5.393

The Clinical Outcomes of Early Silicone Tube Displacement in Congenital Nasolacrimal Duct Obstruction

Joseph Kim, MD, Sung Mo Kang, MD

Department of Ophthalmology, Inha University School of Medicine, Incheon, Korea.

Address reprint requests to Sung Mo Kang, MD. Department of Ophthalmology, Inha University Hospital, #27 Inhang-ro, Jung-gu, Incheon 22332, Korea. Tel: 82-32-890-2400, Fax: 82-32-890-2417, ksm0724@inha.ac.kr

Received 4 January 2018 Revised 21 March 2018 Accepted 27 April 2018

The Korean Ophthalmological Society

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

To investigate the surgical results of early silicone tube displacement in congenital nasolacrimal duct obstruction.

Methods

A total of 40 eyes from 27 children who received silicone tube intubation with sequential probing under intranasal endoscopic guidance were enrolled in this retrospective study. The silicone tube was intended to be removed after 3 months, and was defined as early displacement if the tube was removed within 2/3 of the planned tube retention time. Success was defined as the absence of persistent epiphora for at least a 1-year follow-up period. Using Fisher's exact test, the success rate of patients with and without early tube displacement was compared for a statistical difference.

Results

Overall, 95% (38/40) of eyes were treated successfully; they were not affected by early tube displacement (p=0.154). Early displacement occurred in 40% (16/40) of eyes: 12% (2) within 7 days, 44% (7) within 8–14 days, 19% (3) within 15–30 days, and 25% (4) after 31 days.

Conclusions

In congenital nasolacrimal duct obstruction, early silicone tube displacement did not affect the clinical outcome of silicone tube intubation. Therefore, endoscopic-guided silicone tube intubation with sequential probing may provide a high functional success rate although early tube displacement occurs in young children.

Keywords: Congenital nasolacrimal duct obstruction, Early silicone tube displacement, Silicone tube intubation

Figures and Tables

Table 1

Demographics of patients

Values are presented as no. of patient (eye) or mean ± SD unless otherwise indicated.

Table 2

Tube retention time and postoperative epiphora

Values are presented as no. of patient (eye) or mean ± SD unless otherwise indicated.

Table 3

Success rate according to timing of silicone tube removal

^*Fischer's exact test.

Notes

^{Conflicts of Interest} The authors have no conflicts to disclose.

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