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Year : 2016  |  Volume : 64  |  Issue : 9  |  Page : 648-653

Outcomes of endoscopic dacryocystorhinostomy: Experience of a fellowship trainee at a tertiary care center

1 Ophthalmic Plastic Surgery, Eyehub, Faridabad, Haryana, India
2 Department of Ophthalmic Plastic Surgery, Institute of Dacryology, L.V. Prasad Eye Institute, Hyderabad, Telangana, India
3 Department of Ophthalmic Plastic Surgery, Advanced Eye Hospital and Institute, Navi Mumbai, Maharashtra, India

Correspondence Address:
Dr. Saurabh Kamal
2180, Sector 28, Faridabad, Haryana - 121 008
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.194340

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Aim: The study aims to report a single trainee's experience of learning and performing endoscopic endonasal dacryocystorhinostomy (En-DCR). Settings and Design: This study was a retrospective, interventional case series. Subjects and Methods: Fifty-four eyes of fifty patients presenting at a tertiary eye care center over 1 year were included in the study. All cases underwent endoscopic DCR with mitomycin-C and silicone intubation. The parameters studied included demographics, clinical features, intraoperative details, and postoperative ostium evaluation. Stent removal and nasal endoscopy were performed at 6 weeks and a further ostium evaluation at 3 and 6 months following surgery. Anatomical success rate was defined as patent irrigation, and functional success rate was defined as positive functional endoscopic dye test and absence of epiphora. Results: Fifty-four eyes of fifty patients were operated, and three cases were lost to follow-up after surgery. The mean age at presentation was 34 (4–75) years. Clinical diagnosis included primary acquired nasolacrimal duct (NLD) obstruction in 72% (39/54), acute dacryocystitis in 15% (8/54), failed DCR in 7% (4/54), and persistent congenital NLD obstruction in 5% (3/54). The first five cases needed intervention by the mentor for superior osteotomy. Common variations in anatomical landmarks were posterior location of sac, large ethmoidal bulla, high internal common opening, and thick maxillary bone. Surgical time taken in the last 27 eyes was significantly lesser compared to the surgical duration taken in the initial 27 cases (P < 0.05). Anatomical and functional success rate was 94% (48/51) at 6 months follow-up period. Conclusions: Endoscopic En-DCR has a good success rate when performed by oculoplastic surgery trainees. Nasal anatomical variations, instrument handling, and adaptation to monocular view of endoscope are few of the challenges for beginners. Structured skill transfer can help trainees to learn and perform En-DCR with acceptable success rates.

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