Lacrimal intubation techniques and traumatism
DOI:
https://doi.org/10.70313/2718.7446.v16.n03.249Keywords:
lacrimal duct, lacrimal duct intubation, lacrimal duct alteration, lacrimal stent, Mini-Monoka™Abstract
Objective: The lacrimal canaliculi are structures very prone to suffer damage caused by traumas, which if not repaired in a timely manner can cause sequelae. The objective is to describe basic aspects of surgical techniques for intubation of the lacrimal duct.
Surgical technique: Three intubation options are proposed. One is monocanalicular, by placing a silicone stent, with or without a metallic tutor, through the lacrimal punctum, connecting the proximal and distal portion of the injured canaliculus with the lacrimal sac. Annular bicanalicular intubation, which is through the healthy lacrimal punctum and canaliculus where a silicone stent is placed with a suture inside it, connecting the superior canaliculus with the inferior one. The third option is nasal bicanalicular intubation, where a silicone stent is placed in both canaliculi and through the opening of the lacrimal sac they are conducted through the nasolacrimal duct to the nostril.
Conclusion: Three options for lacrimal duct intubation have been described. Considering that any canalicular laceration must be repaired, it is essential to be familiar with these techniques and to know the anatomy in order to make a correct approach to the lacrimal duct and preserve its drainage function.
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