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BRIEF COMMUNICATION
Year : 2013  |  Volume : 61  |  Issue : 10  |  Page : 585-586

20G silicone rod as monocanalicular stent in repair of canalicular lacerations: Experience from a tertiary eye care centre


Ophthalmic Plastics and Reconstructive Surgery, Orbit and Lacrimal Service, L V Prasad Eye Institute, Bhubaneswar, India

Date of Submission13-Feb-2012
Date of Acceptance13-Apr-2013
Date of Web Publication7-Nov-2013

Correspondence Address:
Suryasnata Rath
L V Prasad Eye Institute, Bhubaneswar, Orissa - 751 024
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.121080

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  Abstract 

To evaluate the outcome of 20G silicone rod as monocanalicular stent in canalicular lacerations. Retrospective case series involving patients between July 2006 and June 2010. Fourteen canalicular repairs in 12 consecutive patients were done in the study period. Eleven were male and mean age was 30.5 years. A single canaliculus was involved in 10 patients and associated injury to the globe was noted in 3 patients. The median lag time between injury and repair was 3 (range 1-9) days. The mean duration of stenting was 6.9 (SD 3.2) weeks. Spontaneous extrusion of monocanalicular stent occurred in 3 patients. Patency on syringing was noted in 10 (70%) canaliculi over a median follow up of 7 (range 2-17) months. 20G silicone rod may be used as an effective and economical alternative in canalicular lacration repairs.

Keywords: 20G Silicone rod, monocanalicular stent, canalicular laceration repair


How to cite this article:
Chatterjee S, Rath S, Roy A, Shrestha E. 20G silicone rod as monocanalicular stent in repair of canalicular lacerations: Experience from a tertiary eye care centre. Indian J Ophthalmol 2013;61:585-6

How to cite this URL:
Chatterjee S, Rath S, Roy A, Shrestha E. 20G silicone rod as monocanalicular stent in repair of canalicular lacerations: Experience from a tertiary eye care centre. Indian J Ophthalmol [serial online] 2013 [cited 2019 Oct 16];61:585-6. Available from: http://www.ijo.in/text.asp?2013/61/10/585/121080

Canalicular lacerations may involve either the upper or lower canaliculus or rarely both canaliculi leading to troublesome epiphora. [1],[2],[3] Success rates with Mini-Monoka R monocanalicular stent have been good. [3],[4] The cost of Mini-Monoka R monocanalicular intubation sets or its counterparts led to our search for an economical yet effective alternative. We retrospectively analysed our outcome in all consecutive patients who refused repair with standard Mini-Monoka R stent and underwent repair with 20 G silicone rod between July 2006 and June 2010. Outcome was defined as patency on syringing. The surgical technique was similar to that described in our previous report with the exception that 20G silicone rod (AuroSling-Aurolab) was used for stenting. [4] The distal end of the silicone rod was fixed to the medial eyelid with 6/0 polypropylene sutures over a bolster. Fourteen canalicular repairs in 12 consecutive patients were done in the study period. Eleven were male and mean age was 30.5 (SD 14.9) years. A single canaliculus (lower-9; upper-1) was involved in 10 patients. Injury to the globe was noted in 3 patients. The details of all patients are presented in [Table 1] [Figure 1]. The median lag time between injury and repair was 3 (range 1-9) days. The mean duration of stenting was 6.9 (SD 3.2) weeks. Spontaneous extrusion of monocanalicular stent occurred in 3 patients. Patency on syringing was noted in 10 (70%) canaliculi over a median follow up of 7 (range 2-17) months.
Figure 1: (a) A 32 year old healthy male sustained trauma from a bicycle handle. Clinical photograph of the right eye showed a linear laceration involving the canaliculus in medial third of right lower eyelid with (b) The same patient one week after repair showing the 20G silicone rod stent in situ. The lower eyelid is everted with cotton tipped applicator. (c) A 29 year old male sustained a lower canalicular laceration after an animal attack. (d and e) The same patient one week after repair shows the 20G silicone rod in-situ. The stent is fi xed with 6/0 polypropylene sutures which are exteriorized onto the medial eyelid skin and tied over a bolster. The medial eyelid margin is well apposed to the eyeball. (f) Eight weeks after removal of stent, the same patient shows a granuloma at the punctum

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Table 1: Demographics, type of injury with duration, time of surgery with 20G silicone as stent and outcome in 12 patients with canalicular laceration

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Historically, stent materials used in repair of canalicular lacerations include those that are naturally occurring organic, metal or synthetic materials. [5] Amongst synthetic materials are nylon, polyethylene, silicone and even Supramid and Teflon. [5] First introduced in 1960 in lacrimal surgery, silicone is the most preferred material today owing to its soft, pliable and inert nature. [5] Our series aims to offer an economical and effective alternative in monocanalicular stenting and adds to the current understanding on canalicular repairs in literature. Several authors propound that early intervention (9-32 h) is the key to success in canalicular repair. [3],[4],[6] Tint et al., attributed poor outcome in 6 out of 40 patients to the delay in repair (2-3 days). [6] Our mean lag time for surgical repair was 3 days. Five patients who presented between 2 and 4 days had a successful outcome. Tint and Liebovitch recommended stenting for 5-6 months. [3],[6] We reported mean stent duration of about 3 months with Mini-Monoka stents. [3] In the current series the mean duration of stenting was 7 weeks. Therefore, shorter stent durations may be as affective in maintaining patency. Finally the 20G silicone rod offers a significant cost advantage compared to standard mono-canalicular stents. This may be relevant to developing countries with large underprivileged sections in the society and poor access to affordable health care. In our experience the 20G silicone rod was an effective and economical alternative in canalicular lacerations with reasonable success.

 
  References Top

1.
Kennedy RH, May J, Dailey J, Flanagan JC. Canalicular laceration, an 11 year epidemiologic and clinical study. Ophthal Plast Reconstr Surg 1990;6:46-53.  Back to cited text no. 1
    
2.
Jordan DR, Ziai S, Gilberg SM, Mawn LA. Pathogenesis of canalicular lacerations. Ophthal Plast Reconstr Surg 2008;24:394-8.  Back to cited text no. 2
    
3.
Leibovitch I, Kakizaki H, Prabhakaran V, Selva D. Canalicular lacerations: Repair with the Mini-Monoka R monocanalicular intubation stent. Ophthalmic Surg Lasers Imaging 2010;41:472-7.  Back to cited text no. 3
    
4.
Naik MN, Kelapure A, Rath S, Honavar SG. Management of canalicular lacerations: Epidemiological aspects and experience with Mini-Monoka monocanalicular stent. Am J Ophthalmol 2008;145:375-80.  Back to cited text no. 4
    
5.
Reifler DM. Management of canalicular laceration. Surv Ophthalmol 1991;36:113-32.  Back to cited text no. 5
    
6.
Tint NL, Alexander P, Cook AE, Leatherbarrow B. Eyelid avulsion repair with bi-canalicular silicone stenting without medial canthal tendon reconstruction. Br J Ophthalmol 2011;95:1389-92.  Back to cited text no. 6
    


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