Repair of Lower Canalicular Laceration Using the Mini-Monoka Stent: Primary and Revisional Repairs

Background: We present our results of primary repair of lower canalicular injury using the Mini-Monoka stent and report our experience with revisional repair of canalicular blocks to treat epiphora following primary repair Methods: We performed primary repair in 169 canalicular laceration patients using Mini-Monoka. The primary repair was defined as the first operation proceeded within 48 hours after injury. Revisional repairs were performed in patients who underwent primary repair of canalicular laceration and subsequently complained of epiphora with canalicular block owing to peripheral scarring. In revisional repair, a Mini-Monoka stent was reinserted to maintain the realigned lacrimal pathway. Results: The primary repair achieved functional success in 94.7% of patients. After primary repair, nine patients complained of epiphora. Two of 9 patients underwent CDCR and 5 underwent revisional repair of canalicular blockage. The revisional repair achieved functional success in 4 of 5 patients. After revisional repair, scar contracture and asymmetry of the medial canthus or malposition of the lower lacrimal punctum were corrected. Cosmetically, all 5 patients were satisfied with the results. Functionally, one patient complained persistent epiphora and was treated with CDCR. Conclusions: We were able to experience simple, safe, and successful primary repair of lower canalicular injuries using the Mini-Monoka stent. If epiphora owing to canalicular block after primary repair and asymmetry of the medial canthus owing to scar contracture or malposition of lacrimal punctum are present, scar release and realignment of the canaliculus with Mini-Monoka insertion at the time of revisional repair are recommended. Address correspondence and reprint requests to Yong-Ha Kim, MD, PhD, Department of Plastic & Reconstructive Surgery, Yeungnam University College of medicine, 170 Hyeonchung-ro, Nam-gu, Daegu 42415, Korea; E-mail: kimyon@ynu.ac.kr Received 1 December, 2017 Accepted 7 January, 2018 The authors report no conflicts of interest. © 2018 by Mutaz B. Habal, MD.

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