eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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vol. 13
Original paper

Comparison of outcomes of conventional transcanalicular laser dacryocystorhinostomy and modified transcanalicular laser dacryocystorhinostomy

Senay Asik Nacaroglu, Sahin Ogreden, Ahu Yılmaz, Kursat Atalay, Ahmet Kırgız

Videosurgery Miniinv 2018; 13 (3): 401–406
Online publish date: 2018/07/10
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Transcanalicular laser DCR (TL-DCR) approaches have been developed for the formation of a fistula between the nasal cavity and the lacrimal sac to ensure the continuity of the lacrimal drainage system over the years. However, the success rate of TL-DCR has varied widely.

To evaluate and compare the success rates of conventional transcanalicular multidiode laser dacryocystorhinostomy and modified transcanalicular multidiode laser dacryocystorhinostomy.

Material and methods
Ninety-one eyes of 91 adult patients admitted with epiphora and diagnosed with chronic dacryocystitis were included in the study. The participants were divided into two groups. Group 1 consisted of 55 patients who were treated with conventional transcanalicular laser dacryocystorhinostomy. Group 2 consisted of 36 patients to whom the same surgical procedure was applied with the difference of nasal mucosa excision prior to laser osteotomy. The groups’ intraoperative surgical ostium size, perioperative and postoperative complications, operative times and success rates were compared.

The mean follow-up periods for each group were 8.88 ±2.99 months and 10.28 ±4.47 months, respectively (p = 0.077). Intraoperative mean surgical ostium sizes were 31.85 ±14.98 mm2 and 42.25 ±18.09 mm2, respectively (p = 0.004). The mean operation time in group 1 was significantly shorter compared to group 2 (18.55 ±4.05 min and 24.44 ±3.18 min, respectively, p = 0.0001). The overall success rate was 65.45% in group 1 and 75.00% in group 2 (p = 0.335).

Although the surgical ostium area was significantly greater in group 2, there was no significant difference in surgical success and patient satisfaction rates between the two groups.


primary acquired nasolacrimal duct obstruction, laser dacryocystorhinostomy, modified transcanalicular laser dacryocystorhinostomy

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