Indications for and effects of Nunchaku-style silicone tube intubation for primary acquired lacrimal drainage obstruction

Mimura, Masashi; Ueki, Mari; Oku, Hidehiro; Sato, Bunpei; Ikeda, Tsunehiko

doi:10.1007/s10384-015-0381-5

Cited by 38 publications

(42 citation statements)

References 21 publications

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“…First described by Kurihashi in 1993, the NST was developed as a new type of lacrimal stent, i.e., a push-toinsert lacrimal stent utilizing a stainless inner probe for insertion [17]. In retrospective studies, the reported success rate of SI by NST for the treatment of nasolacrimal duct obstruction ranged from 68 to 87.5 %, and from 75.9 to 94.6 % for the treatment of common canalicular obstruction [1,2,6,10]. The success rate of SI by NST in the present study was 81.2 % (69/85).…”

Section: Discussionmentioning

confidence: 98%

“…Dacryocystorhinostomy (DCR) is a primary surgical pathway for the treatment of lacrimal drainage duct obstruction. However, due to the invasiveness of the procedure, (i.e., bone resection and general anesthesia when necessary), reconstructive surgery by silicone intubation (SI) has been employed as an alternative treatment method [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of granulation tissue formation in lacrimal duct post silicone intubation and its successful management by injection of prednisolone acetate ointment into the lacrimal duct

et al. 2016

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Evaluation of granulation tissue formation in lacrimal duct post silicone intubation and its successful management by injection of prednisolone acetate ointment into the lacrimal duct

et al. 2016

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“…Prior studies of Nunchaku-style tubes describe stent placement primarily under local anesthesia with infraorbital nerve block and topical anesthetic, with some cases requiring intravenous sedation or general anesthesia. 4,6,18 However, these studies included a variety of indications such as complete nasolacrimal duct obstruction and distal obstructions, which may affect anesthesia choice. In earlier studies of traditional bicanalicular intubation systems, general anesthesia was often used.…”

Section: Discussionmentioning

confidence: 99%

“…2,3 In previous studies of Nunchaku-style tubes, operative times ranged from 7 to 10.5 mins when reported. 4,18 However, the indication for tube placement varied and often included distal and complete nasolacrimal duct obstruction, which may influence operative time. 4,18 Our mean operative time of 4.6 mins is comparable to these studies and was significantly shorter compared to the Ritleng system, but further investigation is needed with larger sample sizes.…”

Section: Discussionmentioning

confidence: 99%

<p>Bicanalicular Intubation with the Kaneka Lacriflow for Proximal Lacrimal Drainage System Stenosis</p>

DeParis¹,

Hougen²,

Rajaii³

et al. 2020

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Purpose: The Kaneka Lacriflow CL (Lacriflow) bicanalicular lacrimal intubation system was evaluated as a self-retaining alternative to traditional modalities for stenting and dilation of the lacrimal drainage system in proximal lacrimal drainage system stenosis. Patients and Methods: A retrospective chart review was conducted to assess the use of the Lacriflow system for treatment of patients with punctal and canalicular stenosis. Anesthesia type, operative time, and complications were assessed. Results: In the time period evaluated, a total of 72 Lacriflow stents were placed in 45 patients, most commonly under intravenous sedation. Stents were left in place for a mean of 145 days, with 9 stents left in place for more than 1 year, and a mean follow-up time of 263 days. Early complications within 90 days included prolapse in 1 stent, symptomatic colonization for 2 stents, and corneal abrasion in 1 stent in a patient with anterior basement membrane dystrophy. Five additional stents developed colonization in the late postoperative period (four of which were more than 1 year after stent placement). The overall complication rate (per stent) at 3 months after surgery was 5.6% and at all follow-up time points was 13.9%. Operative times were significantly shorter for a cohort of patients undergoing bicanalicular intubation with the Ritleng system (P = 0.015). Conclusion: The Lacriflow bicanalicular stent can be easily placed without general anesthesia. Complication rates are comparable to other bicanalicular intubation systems, but increase with longer time that stents are left in place.

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“…[4–7] However, given its simple and timesaving technique and its low cost, intubation with silicone is widely used to treat patients with partial or complete nasolacrimal duct obstruction. [2,8,9] In patients with failed silicone nasolacrimal duct intubation (FNDI), DCR is often the recommended therapeutic approach.…”

Section: Introductionmentioning

confidence: 99%

Nasolacrimal recanalization as an alternative to external dacryocystorhinostomy for treating failed nasolacrimal duct intubation

et al. 2016

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To compare the surgical duration and clinical outcomes of nasolacrimal recanalization versus external dacryocystorhinostomy (DCR) in the treatment of failed nasolacrimal duct intubation.This is a retrospective, comparative, and interventional study. We evaluated the outcomes of 66 consecutive patients undergoing either nasolacrimal recanalization (n = 32) or DCR (n = 34) in a tertiary lacrimal disease referral center. Length of surgical duration, clinical outcomes, and rate of recurrence at 18 months postoperatively were compared.The mean surgical duration was 18.5 minutes (range, 15–25 minutes) for nasolacrimal recanalization and 48.2 minutes (range, 45–61 minutes) for DCR, respectively (P < 0.001). The rate of success was 84.4% in the recanalization group and 85.3% in the DCR group, respectively (P = 0.91). The time to recurrence was 2.6 ± 1.1 months in the recanalization group and 5.6 ± 2.1 months in the DCR group (P < 0.001). Five failed cases in each group received a secondary DCR surgery with the same resolution rate (40%). The absence of ocular discharge at baseline was a significant predictor for a successful outcome in the recanalization group (P = 0.04) but not in the DCR group (P = 0.63).Nasolacrimal recanalization is an effective, safe, and time-saving alternative to DCR for the treatment of failed nasolacrimal duct intubation. Clinicians should be cautious in patients with discharge.

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Indications for and effects of Nunchaku-style silicone tube intubation for primary acquired lacrimal drainage obstruction

Abstract: NSTI is effective for treating PALDO; however, EN-DCR is more effective for treating PALDO cases complicated by dacryocystitis.

Cited by 38 publications

References 21 publications

Evaluation of granulation tissue formation in lacrimal duct post silicone intubation and its successful management by injection of prednisolone acetate ointment into the lacrimal duct

Evaluation of granulation tissue formation in lacrimal duct post silicone intubation and its successful management by injection of prednisolone acetate ointment into the lacrimal duct

<p>Bicanalicular Intubation with the Kaneka Lacriflow for Proximal Lacrimal Drainage System Stenosis</p>

Nasolacrimal recanalization as an alternative to external dacryocystorhinostomy for treating failed nasolacrimal duct intubation

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