A.N. BOCHKAREVA¹, G.P. SMOLIAKOVA^1,2, V.V. EGOROV^1,2, P.A. BANSHCHIKOV¹

¹Khabarovsk branch of S. Fyodorov Eye Microsurgery Federal State Institution, 211 Tikhookeanskaya Str., Khabarovsk, Russian Federation, 680033

²Postgraduate Institute for Public Health Workers, 9 Krasnodarskaya Str., Khabarovsk, Russian Federation, 680000

 Bochkareva A.N. ― ophthalmologist of the Department of Reconstructive Plastic Surgery, tel. (4212) 72-27-92, e-mail: [email protected], ORCID: 0000-0002-3575-0894

Smoliakova G.P. ― Doc. Med. Sc., Professor, ophthalmologist of the Clinical-Expertise Department, Professor of the Ophthalmology Department, tel. (4212) 22-51-21, e-mail: [email protected], ORCID: 0000-0002-6943-5518

Egorov V.V. ― Doc. Med. Sc., Professor, Director, Head of the Department of Ophthalmology, tel. (4212) 22-51-21, e-mail: [email protected], ORCID: 0000-0002-9888-7353

Banshchikov P.A. ― Head of the Department of Reconstructive Plastic Surgery, tel. (4212) 72-27-92, e-mail: [email protected], ORCID: 0000-0002-0854-4104

(For citation: Bochkareva A.N., Smoliakova G.P., Egorov V.V., Banshchikov P.A. Results of application of modern endoscopic technologies of nasolacrimal duct intubation for congenital dacryocystitis. Practical Medicine. 2018)

 The study objective was to assess the effectiveness of endoscopic bicanalicular nasolacrimal duct (ND) intubation with a silicone tube for congenital dacryocystitis (CD) and to justify the optimal periods for its removal based on determination of acid-base balance (pH) of wound exudate in nasal cavity.

The subject of study were 25 children (25 eyes) with CD operated in Khabarovsk branch of S. Fyodorov Eye Microsurgery Federal State Institution. Endoscopic bicanalicular intubation with a silicone tube by FCI (France) was carried out to all children for reconstruct the tears outflow.

Ophthalmic examination included determination of pH of wound exudate in nasal cavity. Criteria of effectiveness of CD surgical treatment after silicone tube removal was monthly indicators of active and passive patency of ND by diagnostic irrigation of ND during 12 months after surgery.

Normalization of pH of wound exudate in nasal cavity in children with uncomplicated CD was registered by the 4^thweek after surgery, in children with recurrent CD ― by the 6^thweek, which coincided with full disappearance of clinical signs of inflammation. Silicone tubes were removed at the specified time.

Dye disappearance test had good results in 24 children throughout observation period (12 months) after silicone tube removal. Only one child (4%) had recurrence 6 months after surgery.

The speed of cessation and intensity of inflammation in children with CD after bicanalicular ND intubation are interrelated with pH of wound exudate in nasal cavity. In accordance with the obtained results, in infants with uncomplicated CD, removal of silicone tube is advisable 4 weeks after its installation, in children of early age with recurrent CD ― not earlier than 6 weeks.

Key words: congenital dacryocystitis, endoscopic visualization, silicone tube intubation.

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