Bicanalicular-nasal silicone stent for deep canalicular laceration management

Published:November 21, 2022DOI:


      We evaluated the efficacy and clinical outcomes of bicanalicular-nasal silicone stents for deep canalicular lacerations and their anatomical restoration advantages. This retrospective case series study included patients with deep canalicular lacerations who underwent bicanalicular-nasal silicone stent intubation between January 2010 and June 2021 at a Chinese tertiary and two primary hospitals. Intra- and post-operative complications were recorded. Anatomical, functional, and cosmetic outcomes were evaluated as anatomical restoration assessments at the last follow-up. We defined anatomical success as free passage with no reflux during irrigation. Functional success was evaluated using the Munk epiphora scale and fluorescein dye disappearance test. Cosmetic outcomes were evaluated by examining the eyelid, lacrimal punctum, and medial canthus for any structural abnormalities and recorded objectively using a grading scale. We evaluated 92 eyes of 92 patients (63 men, 29 women); the mean distance from the lateral lacerated end to the punctum was 7.74 mm (range: 7–10 mm). Bicanalicular-nasal silicone stents were successfully used in all 92 eyes with no severe intra- or post-operative complications noted. The stent placement duration ranged from 12–16 weeks (mean, 13.18 weeks). The follow-up period after stent removal ranged from 3–12 months (mean, 6.04 months). The anatomical and functional restoration success rates were 96.74% (89/92) and 100% (92/92), respectively. Satisfactory eyelid position realignment was achieved in all patients. Bicanalicular-nasal silicone stent placement sufficiently relieved orbicularis muscle tension during deep canalicular laceration repair, providing good functional results and excellent cosmetic realignment and anatomical restoration of the eyelid.

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